Basler-electric BE1-11t Bedienungsanleitung

INSTRUCTION MANUAL FOR BE1-11t Transformer Protection System Publication: 9424200995 Revision: H Sep-14

viii 9424200995 Rev H Instantaneous Overcurrent (50) Test ...

88 9424200995 Rev H Internal Constant Purpose Value Ground current (IG) Minimum Ground (IG) current threshold for Current Polarization test 0.50 A

9424200995 Rev H 89 −=Relay2,Relay1,Relay0,Source2,Source1,Source0,Source2,Source1,Source0,Relay2,Relay

90 9424200995 Rev H For more theory and mathematics of using sequence components for sensing direction to fault, see the paper, "Directional O

9424200995 Rev H 91 Phase Current Differential (87) Protection The phase-current differential (87) element monitors the differential current and prov

92 9424200995 Rev H Trip The Trip output becomes true when a restrained pickup condition persists for the duration of the element Time Delay settin

9424200995 Rev H 93 element Block input to the desired logic in BESTlogicPlus. When the element is initially selected from the Elements view, the def

94 9424200995 Rev H Figure 61. Percentage Restrained Differential Characteristic Logic Connections Phase current differential element logic connec

9424200995 Rev H 95 Settings Tap Compensation Settings The measured currents must be tap adjusted to eliminate magnitude mismatch prior to being used

96 9424200995 Rev H The pickup settings in Times Tap can be related to primary amps by Equation 15. Minpu is the minimum pickup setting in Times Ta

9424200995 Rev H 97 Figure 64. Phase Current Differential Operation Chart Table 35. Operational Settings Setting Range Increment Unit of Measure D

9424200995 Rev H ix RTD Module ...

98 9424200995 Rev H 0BPhase Current Differential (87) Protection BE1-11t

9424200995 Rev H 99 Neutral Current Differential (87N) Protection Two neutral current differential (87N) elements provide sensitive differential prot

100 9424200995 Rev H Pickup Calculations The differential value is calculated as shown in Equation 17 and Equation 18 and displayed in BESTCOMSPlus

9424200995 Rev H 101 Figure 65. Current-Polarized Directional Scheme for BE1-11t CT Connection Logic Connections Neutral current differential elemen

102 9424200995 Rev H Operational Settings Neutral current differential element operational settings are configured on the Neutral Current Different

9424200995 Rev H 103 Resistance Temperature Detector (49RTD) Protection Fourteen resistance temperature detector (49RTD) elements provide over/undert

104 9424200995 Rev H annunciate the condition and to initiate corrective action. If a target is enabled for the element, the BE1-11t will record a

9424200995 Rev H 105 Figure 69. Resistance Temperature Detector Settings Screen Table 39. Operational Settings Setting Range Increment Unit of Measu

106 9424200995 Rev H Resistance Temperature Detector (49RTD) Protection BE1-11t

9424200995 Rev H 107 Analog Input Protection Eight analog input elements monitor external analog input signals when two remote RTD modules are connec

x 9424200995 Rev H Contents BE1-11t

108 9424200995 Rev H Element Blocking The Block input provides logic-supervision control of the element. When true, the Block input disables the el

9424200995 Rev H 109 Remote Analog Input Metering Analog input metering values are obtained through BESTCOMSPlus by using the Metering Explorer to op

110 9424200995 Rev H Analog Input Protection BE1-11t

9424200995 Rev H 111 Virtual Control Switches (43) Five virtual control switch (43) elements provide manual control, locally and remotely, without us

112 9424200995 Rev H 59N CUTOFF. The closed position of the switch may be labeled DISABLD and the open position may be labeled NORMAL. Control of V

9424200995 Rev H 113 A Block Tag alarm indicates when a block tag is in place. Refer to the Alarms chapter for information on how to program alarms.

114 9424200995 Rev H Figure 74. Virtual Control Switches Settings Screen Table 43. Operational Settings Setting Range Increment Unit of Measure De

9424200995 Rev H 115 Logic Timers (62) Eight logic timer (62) elements emulate virtually any type of timer used in power system applications. The eig

116 9424200995 Rev H Figure 76. One-Shot/Non-Retriggerable Mode One-Shot/Retriggerable Mode The one-shot retriggerable timer starts its timing seq

9424200995 Rev H 117 time delay for the output to change to false if it is presently true and the initiate input becomes false and stays false. In th

9424200995 Rev H 1 Introduction The BE1-11t Transformer Protection System provides flexible, reliable, and economical transformer protection, control

118 9424200995 Rev H Block input to the desired logic in BESTlogicPlus. When the element is initially selected from the Elements view, the default

9424200995 Rev H 119 Table 45. Operational Settings Setting Range Increment Unit of Measure Default Mode Disabled, Pickup/Dropout, One-Shot/Non-Retri

120 9424200995 Rev H Logic Timers (62) BE1-11t

9424200995 Rev H 121 Lockout Functions (86) Two lockout function (86) elements can be used to prevent operation of circuit breakers or other devices

122 9424200995 Rev H Table 47. Operational Settings Setting Range Increment Unit of Measure Default Mode Disabled or Enabled n/a n/a Disabled Retri

9424200995 Rev H 123 Breaker Control Switch (101) The breaker control switch (101) element provides manual control of a circuit breaker or switch wit

124 9424200995 Rev H 1. Use the Metering Explorer to open the Control/Breaker Control Switch tree branch (Figure 87). 2. Click on either the TRIP

9424200995 Rev H 125 Figure 88. Breaker Control Element Logic Block Table 48. Logic Inputs and Outputs Name Logic Function Purpose Trip Input Sets t

126 9424200995 Rev H Breaker Control Switch (101) BE1-11t

9424200995 Rev H 127 Setting Groups Four setting groups allow for adapting the coordination settings to optimize them for a predictable situation. Se

2 9424200995 Rev H Features The BE1-11t protection system includes many features for the protection, monitoring, and control of power system equipm

128 9424200995 Rev H Discrete Inputs When the setting group selection function block is enabled for Discrete Inputs, there is a direct correlation

9424200995 Rev H 129 Figure 91. Input Control Binary Inputs CT Source The CT Source setting configures the setting group selection function to monit

130 9424200995 Rev H to an alternate setting group that can accommodate the condition. The BE1-11t can be set to alarm for this condition using the

9424200995 Rev H 131 Figure 92. Setting Group Logic Block Table 51. Logic Inputs and Outputs Name Logic Function Purpose Automatic Input True when

132 9424200995 Rev H Figure 93. Setting Group Setup Screen Table 52. Operational Settings Setting Range Purpose Default Mode Disabled Discrete Inp

9424200995 Rev H 133 Setting Range Purpose Default Monitor Setting Disable, IP, IG, I2, 3I0, 60FL Determines when automatic setting group changes occ

134 9424200995 Rev H Setting Groups BE1-11t

9424200995 Rev H 135 Metering The BE1-11t measures the voltage and current inputs, displays those values in real time, records those values every qua

136 9424200995 Rev H Table 53. Explanation of Figure 95 Call-Outs Call-Out Explanation A Holding the left mouse button down on a metering tab and d

9424200995 Rev H 137 Figure 96. Analog Metering, Voltage Screen Current - Primary and Secondary Metered current includes primary and secondary phase

9424200995 Rev H 3 A backup capacitor and additional battery backup are provided for the clock. During a loss of operating power, the backup capacito

138 9424200995 Rev H Reactive Power Reactive power is metered over a range of −7,500 kilovars to +7,500 kilovars on five ampere nominal systems. On

9424200995 Rev H 139 Figure 99. Analog Metering, Frequency Screen Differential The differential value is calculated as shown in the following equati

140 9424200995 Rev H Energy Energy is metered for positive and negative watthours and varhours. Watthour and varhour values are calculated per minu

9424200995 Rev H 141 The Analog Inputs screen is shown in Figure 103 and the Analog Outputs screen is shown in Figure 104. Figure 103. Analog Meteri

142 9424200995 Rev H Metering BE1-11t

9424200995 Rev H 143 Sequence of Events A sequence of events recorder (SER) report is very useful in reconstructing the exact sequence and timing of

144 9424200995 Rev H Figure 106. Sequence of Events Screen Viewing SER Data through the Web Page Interface Sequence of events summary can be viewe

9424200995 Rev H 145 Fault Reporting The fault reporting function records and reports information about faults that have been detected by the BE1-11t

146 9424200995 Rev H Table 56. Targets as Displayed Target Description 24 Overexcitation 27P-#-A/B/C Phase Undervoltage, A, B, or C 27X-#-3V0 Auxil

9424200995 Rev H 147 Target Description 81-#-Over Frequency, Over 81-#-Under Frequency, Under 81-#-ROC Frequency, Rate of Change 86-# Lockout Functio

4 9424200995 Rev H function and label is programmable using BESTlogicPlus. A user-meaningful name can be assigned to each output and to each state

148 9424200995 Rev H Figure 109. Targets Screen A BESTlogicPlus expression can be used to reset the targets. Use the Settings Explorer within BEST

9424200995 Rev H 149 (Figure 111) that are available to view/download. The Reset button resets new faults. The Trigger button manually triggers a fau

150 9424200995 Rev H • Product Name. This line reports the product name. • Application Version. This line reports the version of firmware inside

9424200995 Rev H 151 for the power system cycle two cycles prior to the end of the fault. Refer to Figure 114 and Table 59, call-out F. • V0, V1, V2

152 9424200995 Rev H Figure 112. Fault Records Screen Table 57 summarizes the oscillographic records settings. Table 57. Oscillographic Records Se

9424200995 Rev H 153 Figure 113. Power System Screen Note that both Z1-MAG and Z0-MAG are scaled by 10 times to represent the entire length of the p

154 9424200995 Rev H Protective Fault Analysis Figure 114. Protective Fault Analysis Protective element picks upProtective element tripsBreaker au

9424200995 Rev H 155 Table 59. Legend for Figure 114 Locator Description A A fault summary report and an oscillograph record are triggered when the P

156 9424200995 Rev H Fault Reporting BE1-11t

9424200995 Rev H 157 Alarms The BE1-11t monitors internal systems, external interfaces, and power system equipment and annunciates an alarm when one

9424200995 Rev H 5 General Status Reporting The BE1-11t provides extensive general status reporting for monitoring, commissioning, and troubleshootin

158 9424200995 Rev H Name Description Freq Out Of Range Frequency is out of range Fuse Loss One or more phases of voltage lost I2 Demand Negative-s

9424200995 Rev H 159 Name Description RTD Out of Range Remote Module 1 or 2 Alarm S Demand Apparent power (VA) demand maximum exceeded Setting Change

160 9424200995 Rev H Sixteen user programmable alarms are available. BESTlogicPlus Programmable Logic is used to set up alarm logic. User alarm lab

9424200995 Rev H 161 Reset will reset all major alarms. The Minor Alarm Reset will reset all minor alarms. The Logic Alarm Reset will reset all logic

162 9424200995 Rev H Alarms BE1-11t

9424200995 Rev H 163 Differential Reporting The BE1-11t records information about the phase current differential (87) status of the BE1-11t and creat

164 9424200995 Rev H Differential Reporting BE1-11t

9424200995 Rev H 165 Breaker Monitoring Breaker monitoring helps manage equipment inspection and maintenance expenses by providing extensive monitori

166 9424200995 Rev H edit this value at the front panel. To view the breaker status using BESTCOMSPlus, use the Metering Explorer to open the Contr

9424200995 Rev H 167 Figure 122. Protective Fault Analysis Protective element picks upProtective element tripsBreaker auxiliary contact changes

6 9424200995 Rev H Note BE1-11t protection systems enabled for IEC-61850 communication (style Txxxx5xxxxxxxx) have their frequency protection eleme

168 9424200995 Rev H Table 62. Legend for Figure 122 Locator Description A A fault summary report and an oscillograph record are triggered when the

9424200995 Rev H 169 Figure 123. Breaker Monitoring Screen To connect the Block logic input, use the Settings Explorer within BESTCOMSPlus to open t

170 9424200995 Rev H be read or changed through the communication ports using BESTCOMSPlus. Use the Metering Explorer to open the Reports, Breaker

9424200995 Rev H 171 Demands Demand recording promotes the ability of an electric power provider to plan for future upgrades. For example, increasing

172 9424200995 Rev H Setting Range Increment Unit of Measure Default Phase Current Threshold 0 or 0.5 to 16 0.01 amps 0 Neutral/Ground Current Th

9424200995 Rev H 173 Figure 127. Demand Current Screen Figure 128. Demand Power Screen Refer to the BESTnet™Plus chapter for information on viewin

174 9424200995 Rev H Demands BE1-11t

9424200995 Rev H 175 Load Profile The load profile recording function provides a running average of the demand and helps a customer determine when po

176 9424200995 Rev H Load Profile BE1-11t

9424200995 Rev H 177 Power Quality The BE1-11t offers class B power quality measurement performance as defined by IEC 610004-30. Power quality data c

9424200995 Rev H 7 Analog Input Protection Eight analog input protection elements monitor external analog input signals when two remote RTD modules a

178 9424200995 Rev H Voltage Figure 131 illustrates the Power Quality, Voltage screen. Figure 131. Power Quality, Voltage Screen 10-Second Frequen

9424200995 Rev H 179 Figure 133. Power Quality, Dip/Swell Screen Harmonics Figure 134 illustrates the Power Quality, Harmonic Voltage screen. The Ha

180 9424200995 Rev H Power Quality BE1-11t

9424200995 Rev H 181 Trip Circuit Monitor (52TCM) A trip circuit monitor (52TCM) element continually monitors the circuit breaker trip circuit for vo

182 9424200995 Rev H Figure 135. Trip Detector Circuit Table 69. Current Draw for each Power Supply Voltage Rating Power Supply Voltage Rating Re

9424200995 Rev H 183 Figure 136. Trip Circuit Voltage and Continuity Monitor Caution Applications that place other device inputs in parallel with t

184 9424200995 Rev H Figure 137. TCM with Other Devices Trip Circuit Monitor (52TCM) Enable/Disable Jumper Note A BE1-11t in a J type case is del

9424200995 Rev H 185 Figure 138. Trip Circuit Monitor Enable/Disable Jumper Location Logic Connections Trip circuit monitor logic connections are ma

186 9424200995 Rev H Operational Settings Trip circuit monitor element operational settings are configured on the Trip Circuit Monitor (52TCM) sett

9424200995 Rev H 187 Fuse Loss (60FL) The fuse loss (60FL) element detects fuse loss or loss of potential in a three-phase system. Element logic conn

8 9424200995 Rev H Model and Style Number Description BE1-11t electrical characteristics and operational features are defined by a combination of l

188 9424200995 Rev H Table 72. Fuse Loss Logic Parameters Input True Condition A Positive-sequence volts greater than 8.8% of the nominal voltage;

9424200995 Rev H 189 Programmable Alarm The BE1-11t indicates an alarm condition when the 60FL element detects a fuse loss or loss of potential. The

190 9424200995 Rev H Setting Purpose Block V2 Voltage Elements All functions that use the negative-sequence voltage (V2) measurement are blocked wh

9424200995 Rev H 191 Transformer Monitor (51TF) The transformer monitor (51TF) element implements a through-fault counter which allows the user to sc

192 9424200995 Rev H Alarms metering screen in BESTCOMSPlus. Refer to the Alarms chapter for information on how to program alarms. The alarm count

9424200995 Rev H 193 Figure 145. Transformer Monitor (51TF) Screen Transformer Damage Report BESTCOMSPlus Navigation Path: Metering Explorer, Report

194 9424200995 Rev H Transformer Monitor (51TF) BE1-11t

9424200995 Rev H 195 BESTnet™Plus BE1-11t Transformer Protection Systems with an Ethernet port have a web page interface that can be used to view BE1

196 9424200995 Rev H Figure 149. Real Time Data Page Demand Data Figure 150 illustrates the Demand Data page. Present and peak demand values are s

9424200995 Rev H 197 Figure 150. Demand Data Page Faults Fault Summary Figure 151 illustrates the Fault Summary page. To view fault details and down

9424200995 Rev H 9 Quick Start This chapter provides basic installation and setup information about the BE1-11t Transformer Protection System. BE1-11

198 9424200995 Rev H Figure 151. Fault Summary Page Fault Details Figure 152 illustrates the Fault Details page. Use the buttons to download oscil

9424200995 Rev H 199 Sequence of Events Figure 153 illustrates the Sequence of Events Summary page. A summary of the sequence of events is shown on t

200 9424200995 Rev H Figure 154. Power Quality Page BESTnet™Plus BE1-11t

9424200995 Rev H 201 Mounting BE1-11t protection systems are supplied in a non-drawout, S1 size case (J option) that fits in a standard S1 case openi

202 9424200995 Rev H Figure 156. Case Side Dimensions 7.91 [201.03]6.26 [159.08]1.03 [26.15]0.62 [15.62]0.41 [10.31]0.30 [7.68]8.41 [213.65]Mou

9424200995 Rev H 203 Case cutout and drilling dimensions are shown in Figure 157. Figure 157. Case Cutout and Drilling Dimensions 3.03 (77.0)6.06

204 9424200995 Rev H An adapter plate to mount a J case in a GE S2 or ABB FT-21 cutout is shown in Figure 158. Order Basler part number 9108551021.

9424200995 Rev H 205 An adapter plate to mount a J case in a ABB FT-31/FT-32 cutout is shown in Figure 159. Order Basler part number 9108551022. Fig

206 9424200995 Rev H An adapter plate to mount a J case in a GE M1/M2 cutout or Basler M1 cutout is shown in Figure 160. Order Basler part number 9

9424200995 Rev H 207 A J case retrofit mounting plate for the Multilin 345/745 consists of two parts. See Figure 161 and Figure 162. Order Basler par

10 9424200995 Rev H Table 1. System Recommendations for BESTCOMSPlus and the .NET Framework System Type Component Recommendation 32/64 bit Processo

208 9424200995 Rev H Figure 162. Retrofit Mounting Plate (Basler P/N: 9424200073) – Part 2 Mounting BE1-11t

9424200995 Rev H 209 A pivoting projection-mounting kit for a J case is shown in Figure 163. When installed, this kit provides rear access to connect

210 9424200995 Rev H Mounting BE1-11t

9424200995 Rev H 211 Terminals and Connectors Connections to the BE1-11t are dependent on the application and logic scheme selected by the user. As a

212 9424200995 Rev H Figure 165. Rear-Panel Connections with Fiber Optic Ethernet Terminal Blocks J-style cases use two sizes of terminal blocks.

9424200995 Rev H 213 On occasion, however, protection engineers will encounter situations where CT polarity is reversed for a specific application. T

214 9424200995 Rev H Figure 168. Example of Reversed CT Polarity Terminals and Connectors BE1-11t

9424200995 Rev H 215 Typical Connections Typical external dc connections for the BE1-11t are shown in Figure 169. Figure 169. Typical External DC C

216 9424200995 Rev H Typical external ac connections for the BE1-11t are shown in Figure 170. Figure 170. Typical AC Connections Typical Connec

9424200995 Rev H 217 Three-phase voltage sensing, alternate VT inputs are shown in Figure 171. Figure 171. Three-Phase Voltage Sensing, Alternate VT

9424200995 Rev H 11 Figure 2. Front Panel Label Example Connect rear terminals A6, A7, and A8 (ground) to a power supply. See Figure 3. Apply operat

218 9424200995 Rev H Single-phase current sensing connections are shown in Figure 172. Figure 172. Single-Phase Current Sensing Connections Note

9424200995 Rev H 219 Power System Applications The following figures show examples of the applications that can be served by the Basler Electric BE1-

220 9424200995 Rev H Figure 174. Complete Transformer Protection for Network or Radial Transformer Applications Notes for Figure 174: 1. The neut

9424200995 Rev H 221 Figure 175. BE1-11t Connected for Primary Protection, BE1-851 Connected for Independent Backup Notes for Figure 175: 1. With t

222 9424200995 Rev H Power System Applications BE1-11t

9424200995 Rev H 223 BESTCOMSPlus® Software BESTCOMSPlus is a Windows®-based, PC application that provides a user-friendly, graphical user interface

224 9424200995 Rev H Installation BESTCOMSPlus software is built on the Microsoft® .NET Framework. The setup utility that installs BESTCOMSPlus on

9424200995 Rev H 225 Connect a USB Cable The USB driver was copied to your PC during BESTCOMSPlus installation and is installed automatically after p

226 9424200995 Rev H Figure 179. Communication Pull-Down Menu The BE1-11 Connection screen shown in Figure 180 appears. Select USB Connection and

9424200995 Rev H 227 Figure 181. Device Plugin Requires Activation The Activate Device Plugin pop-up appears. Refer to Figure 182. Figure 182. Acti

12 9424200995 Rev H Figure 4. BESTCOMSPlus Select Language Screen The BESTCOMSPlus splash screen is shown for a brief time. See Figure 5. Figure

228 9424200995 Rev H Figure 183. Activation Key Email Figure 184. Activate Device Plugin Establishing Communication Communication between BESTCOM

9424200995 Rev H 229 Advanced Properties Click the Advanced button on the Connection screen to display the Advanced Properties dialog. Default settin

230 9424200995 Rev H Menu Item Description Communication New Connection Choose new device or BE1-11 Close Connection Close communication between BE

9424200995 Rev H 231 Table 79. Lower Menu Bar (BE1-11 Plugin) Menu Button Description Enables you to show/hide the Metering Panel, Settings Panel, o

232 9424200995 Rev H Metering Explorer The Metering Explorer is described in the Metering chapter. Settings File Management A settings file contain

9424200995 Rev H 233 Figure 187. Processing, Please Wait… Printing a Settings File To view a preview of the settings printout, select Print Preview

234 9424200995 Rev H Figure 189. BESTCOMSPlus Settings Compare Auto Export Metering The auto export metering function automatically exports meteri

9424200995 Rev H 235 BESTCOMSPlus® Updates Ongoing BE1-11t functionality enhancements may make future BE1-11t firmware updates desirable. Enhancement

236 9424200995 Rev H BESTCOMSPlus® Software BE1-11t

9424200995 Rev H 237 BESTlogic™Plus BESTlogicPlus Programmable Logic is a programming method used for managing the input, output, protection, control

9424200995 Rev H 13 Figure 7. BE1-11 Connection Screen The BE1-11 plugin opens indicating that activation was successful. You can now configure the

238 9424200995 Rev H BESTlogic™Plus Composition There are three main groups of objects used for programming BESTlogicPlus. These groups are I/O, Co

9424200995 Rev H 239 Name Description Symbol Relay Trouble Alarm True when a Relay Trouble alarm is active. Refer to the Alarms chapter for more info

240 9424200995 Rev H Name Description Symbol Pickup and Dropout Timers Pick Up Timer A pickup timer produces a true output when the elapsed time is

9424200995 Rev H 241 Elements This group contains elements for the 24, 27P, 27X, 43, 49RTD, 50, 50BF, 51, 51TF, 59P, 59X, 60FL, 62, 81, 86, 87, 87N,

242 9424200995 Rev H Name Description Symbol 51-x Inverse Overcurrent Protection. Refer to the Inverse Overcurrent (51) Protection chapter. 59P-x

9424200995 Rev H 243 Name Description Symbol ANALOG-x Analog Input 1 through 8. Refer to the RTD Module chapter. Control 43-x Virtual Control Switch

244 9424200995 Rev H Name Description Symbol SETTINGGROUP Setting Group Control. Refer to the Setting Groups chapter. Reporting and Alarms 51TF Tr

9424200995 Rev H 245 Name Description Symbol INDICATORx Indicators 1 through 7. Refer to the Controls and Indicators chapter. The indicator is displa

246 9424200995 Rev H Default Logic Scheme All BE1-11t protection systems are delivered with the default logic scheme pre-loaded in memory. If the f

9424200995 Rev H 247 Inputs/Outputs Figure 192 illustrates the default logic on the Inputs/Outputs tab in BESTlogicPlus. Figure 192. Inputs/Outputs

14 9424200995 Rev H Figure 8. BESTCOMSPlus Typical User Interface Components Click the View drop-down button to switch between the Settings Explor

248 9424200995 Rev H Voltage/Frequency Figure 193 illustrates the default logic on the Voltage/Frequency tab in BESTlogicPlus. Figure 193. Voltag

9424200995 Rev H 249 Current Figure 194 illustrates the default logic on the Current tab in BESTlogicPlus. Figure 194. Current Tab for Default Logi

250 9424200995 Rev H Miscellaneous Logic Figure 195 illustrates the default logic on the Miscellaneous Logic tab in BESTlogicPlus. Figure 195. Mi

9424200995 Rev H 251 Physical Outputs Figure 196 illustrates the default logic on the Physical Outputs tab in BESTlogicPlus. Figure 196. Physical Ou

252 9424200995 Rev H Programming BESTlogic™Plus BESTCOMSPlus is used to program BESTlogicPlus. Using BESTCOMSPlus is analogous to physically attach

9424200995 Rev H 253 Figure 197. Pickup and Dropout Timer Logic Blocks Offline Logic Simulator The offline logic simulator allows you to change the

254 9424200995 Rev H files. Refer to Figure 199. For information on Settings Files management, refer the BESTCOMSPlus Software chapter. Figure 199

9424200995 Rev H 255 A Page Setup icon is also provided on the BESTlogicPlus Programmable Logic toolbar allowing you to select Paper Size, Paper Sour

256 9424200995 Rev H BESTlogic™Plus BE1-11t

9424200995 Rev H 257 Communication This chapter describes the connections and settings for BE1-11t communication. In addition to standard USB, RS-485

9424200995 Rev H 15 Figure 10. System Summary Screen Programming Example Changing default logic is sometimes required to match the protection requir

258 9424200995 Rev H Figure 202. RS-485 DB-37 to BE1-11t Ethernet Setup Located on the rear panel, the optional Ethernet communication port provid

9424200995 Rev H 259 4. Use BESTCOMSPlus to connect to the BE1-11t through the USB port. 5. Select Configure, Ethernet from the Communication pull-

260 9424200995 Rev H Note The PC running BESTCOMSPlus software must be configured correctly to communicate with the BE1-11t. The PC must have an IP

9424200995 Rev H 261 206. Use the drag-and-drop method to connect a variable or series of variables to the input. Refer to the BESTlogicPlus chapter

262 9424200995 Rev H Figure 208. DNP Settings, Miscellaneous Settings Screen Unsolicited Response Support The Unsolicited Response Support screen

9424200995 Rev H 263 Figure 210. Default Variations Screen DNP Analog Points Mapping Analog points can be mapped to any of the available analog user

264 9424200995 Rev H To map a Binary Point to the Binary User Map: 1. Select a binary point in the left-hand column. 2. Click on the Add >>

9424200995 Rev H 265 Modbus™ Setup Settings for Modbus are made by using the Settings Explorer to open the Communications, Modbus tree branch. Settin

266 9424200995 Rev H Figure 215. Modbus Mapping Screen Communication BE1-11t

9424200995 Rev H 267 Security Multiple levels of BE1-11t security give personnel the level of access appropriate for the tasks they routinely perform

16 9424200995 Rev H Figure 11. Power System Screen Figure 12. Instantaneous Overcurrent (50-3) Screen Step 9: In the Settings Explorer, click BE

268 9424200995 Rev H 2. Enter the username and password of the administrator and then click the Log In button. The default Administrator username

9424200995 Rev H 269 2. The Login dialog box pops up. See Figure 216. An administrator access level is required to set up port access. Enter the use

270 9424200995 Rev H Table 88. Settings for Access Control Setting Range Increment Unit Default Access Timeout Delay 10 to 3,600 1 seconds 300 Logi

9424200995 Rev H 271 Timekeeping The BE1-11t provides a real-time clock with capacitor backup that is capable of operating the clock for up to 24 hou

272 9424200995 Rev H Figure 221. Clock Setup Screen Table 89. Settings for Clock Setting Range Increment Unit Default Time Zone Hour Offset –12 to

9424200995 Rev H 273 Figure 222. Status, Real Time Clock Screen IRIG Port IRIG time code signal connections are located on the rear panel. When a va

274 9424200995 Rev H Backup Battery for the Real-Time Clock The backup battery for the real time clock is a standard feature of the BE1-11t. A batt

9424200995 Rev H 275 Figure 223. Front-Panel Circuit Board, Backup Battery Location BE1-11t Timekeeping

276 9424200995 Rev H Figure 224. Re-Attaching the Front Cover P0072-79(Press equally and firmly.)USBBE1-11ProtectionSystemRelay Minor Majo

9424200995 Rev H 277 Device Information BE1-11t identification labels, firmware version, serial number, and style number are found on the Device Info

9424200995 Rev H 17 Figure 13. BESTlogicPlus Current Page Figure 14. BESTlogicPlus Misc. Logic Page BE1-11t Quick Start

278 9424200995 Rev H code version, model number, style number, serial number, language module version, and language module part number. BE1-11t pro

9424200995 Rev H 279 Figure 227. Basler Electric Device Package Uploader After rebooting, the Relay Trouble LED on the front panel is lit and Defaul

280 9424200995 Rev H Device Information BE1-11t

9424200995 Rev H 281 Configuration BE1-11t inputs consist of two sets of three-phase current inputs and ground, three-phase voltage inputs, and one a

282 9424200995 Rev H VT Connections When four-wire VT connections are used, the BE1-11t measures the three-phase to neutral voltages and calculates

9424200995 Rev H 283 CBA3VarsVarsVarsVars ++=φ where: XPNPIV ∠−∠=φ For Sensing Type: Three-wire In three-wire sensing mode, the equivalent LN v

284 9424200995 Rev H Power System Settings The BE1-11t requires information about the power system to provide metering, fault reporting, fault loca

9424200995 Rev H 285 Settings Power system settings are configured on the Power System settings screen (Figure 229) in BESTCOMSPlus. Setting ranges a

286 9424200995 Rev H BESTCOMSPlus Navigation Path: Settings Explorer, System Parameters, Sensing Transformers HMI Navigation Path: Settings Explore

9424200995 Rev H 287 Figure 230. Sensing Transformers Settings Screen Table 93. Sensing Transformers Settings Setting Range Increment Unit Default P

9424200995 Rev H i Preface This instruction manual provides information about the installation and operation of the BE1-11t Transformer Protection Sy

18 9424200995 Rev H Figure 15. BESTlogicPlus Misc. Logic Page Step 10: In this step, the Pickup output of the 50-3 element is connected to Output

288 9424200995 Rev H Figure 231. Transformer Setup Screen Table 94. Transformer Settings Setting Range Increment Unit Default Tap Calculation Mode

9424200995 Rev H 289 Determining the Transformer Connection Parameters Wye and Autotransformer Windings. The transformer connection for a CT input ci

290 9424200995 Rev H compensate for the ±30°, ±60°, ±90°, ±120°, ±150°, and ±180° phase shifts that are possible in transformers and sensing CT con

9424200995 Rev H 291 Table 95. CT Input Circuit Settings for Non-transformer or Wye-only Application Transformer Connection CT Input Connection BE1-1

292 9424200995 Rev H Transformer Connection CT Input Connection BE1-11t Settings Compensation Applied TX CT Phase Rotation ZAC WYE ZAC WYE W

9424200995 Rev H 293 Table 98. CT Input Circuit Settings 3 for Delta/Wye Circuit Applications Transformer Connection CT Input Connection BE1-11t Sett

294 9424200995 Rev H Transformer Connection CT Input Connection BE1-11t Settings Compensation Applied TX CT Phase Rotation DAC DAC DAC DAC W

9424200995 Rev H 295 Note The CT input circuit settings are used by the auto-tap calculation function to calculate the correct tap adjustment factor

296 9424200995 Rev H Figure 234. Internal Phase and Zero-Sequence Compensation IEC Transformer Setup The IEC setup table is aimed

9424200995 Rev H 297 Figure 235. IEC Transformer Setup Screen Display Units The Display Units screen is shown in Figure 236. System Units This setti

9424200995 Rev H 19 the Pickup output of the 50-3 element and drag to the input of USERALM1 to make a connection. Refer to Figure 17. Figure 17. BES

298 9424200995 Rev H Configuration BE1-11t

9424200995 Rev H 299 Introduction to Testing The need to test protection systems to confirm performance as designed by manufacturers has always exist

300 9424200995 Rev H • Setting validation • Proper operation of equipment (main or auxiliary) • Proper alarming (to SCADA) and/or targeting Peri

9424200995 Rev H 301 BE1-11t Self-Test All internal circuitry and software that affect the BE1-11t core functionality are monitored by the continuous

302 9424200995 Rev H Introduction to Testing BE1-11t

9424200995 Rev H 303 Acceptance Testing Although Basler Electric performs detailed acceptance testing on all new protection systems, it is generally

304 9424200995 Rev H IRIG Verification (if used) Purpose: To verify that the BE1-11t acquires and updates IRIG time and date information. Step 1:

9424200995 Rev H 305 Step 7: Use the Metering Explorer in BESTCOMSPlus to return to the Control, Output Override screen and click on the Enabled b

306 9424200995 Rev H current measurements can also be verified on the Metering > Analog Metering > Current > Current Circuit 2 > Second

9424200995 Rev H 307 Applied Voltage Measured Voltage 140 volts 139.3 V 140.7 V 160 volts 159.2 V 160.8 V Power Reading Verification Step 1: Use t

20 9424200995 Rev H Figure 19. Contact Outputs Screen Figure 20. User Programmable Alarms Screen Step 15: Figure 21 shows the user-defined labels

308 9424200995 Rev H Step 4: Apply the voltage values listed in Table 104 and verify voltage-measuring accuracy by using the Metering Explorer i

9424200995 Rev H 309 Commissioning Testing Special precautions should be taken to ensure that all tests are performed with safety as the greatest con

310 9424200995 Rev H original state. Use the Metering Explorer in BESTCOMSPlus to open the Reports, Sequence of Events screen. Click on the Downloa

9424200995 Rev H 311 Protection and Control Function Verification Before placing the BE1-11t in service, the user should ensure that all system ac an

312 9424200995 Rev H Read, change, or reset KWH and KVARH records. Use the following to reset the peak current, watt, and var demand registers to “

9424200995 Rev H 313 the new faults are “0” by clicking on the Refresh button. Refer to the Fault Reporting chapter for setting details. Sequence of

314 9424200995 Rev H Commissioning Testing BE1-11t

9424200995 Rev H 315 Periodic Testing Because the BE1-11t has extensive internal test capabilities, periodic testing of the protection system can be

316 9424200995 Rev H Note If verifying the analog measurement circuits by comparison to independent devices is used, you should ensure that the two

9424200995 Rev H 317 Overexcitation (24) Test Functional testing is a way to assess this protection system’s suitability for your application. Functi

9424200995 Rev H 21 Figure 21. OUT4 and USERALM1 with User-Defined Labels Step 16: Select Save from the File pull-down menu to save your new setting

318 9424200995 Rev H Setting Value BESTCOMSPlus Screen Description Element Mode Enabled Protection, Voltage, Overexcitation Enables 24 function 24

9424200995 Rev H 319 Step 10: (Optional.) Repeat steps 1 through 9 for the B-phase and C-phase voltage inputs. Step 11: (Optional.) Repeat steps 1

320 9424200995 Rev H Step 3: All inverse timing tests are based on % of nominal Volts/Hertz (1 PU value). Refer to the Time Curve Characteristic

9424200995 Rev H 321 Table 111. Definite Time Verification Test Settings Setting Value Description Inverse Time Pickup 0 Disables Inverse Time Pickup

322 9424200995 Rev H Step Pickup Setting Low Actual Pickup High Low* Actual Dropout High* Pass/Fail 15 2.36 2.31 V/Hz 2.41 V/Hz 2.289 V/Hz 2.336

9424200995 Rev H 323 Phase Undervoltage (27P) Test Functional testing is a way to assess this protection system’s suitability for your application. F

324 9424200995 Rev H Step 2: Use BESTCOMSPlus to configure the BESTlogicPlus programmable logic shown in Figure 238. • Blocking is disabled. •

9424200995 Rev H 325 Step 2: Prepare to monitor the 27P-1 timings. Timing accuracy is verified by measuring the elapsed time between a sensing volta

326 9424200995 Rev H Phase Undervoltage (27P) Test BE1-11t

9424200995 Rev H 327 Auxiliary Undervoltage (27X) Test Functional testing is a way to assess this protection system’s suitability for your applicatio

22 9424200995 Rev H Quick Start BE1-11t

328 9424200995 Rev H Setting Value BESTCOMSPlus Screen Description Timing Mode Definite Protection, Voltage, Undervoltage (27X-1) Selects definite

9424200995 Rev H 329 Table 117. Timing Test Settings (3V0 Mode) Pickup Setting Time Delay 65 V 2,000 ms 65 V 5,000 ms 65 V 10,000 ms Step 3: Connect

330 9424200995 Rev H Figure 240. BESTlogicPlus Settings (V1 Mode) Step 3: Use BESTCOMSPlus to open the Protection, Voltage, Undervoltage (27X-1

9424200995 Rev H 331 Step 3: Connect and apply a 120 Vac, single-phase voltage source to terminals C13 (A-phase) and C16 (neutral). Step 4: Step th

332 9424200995 Rev H Table 122. Pickup Test Settings (V2 Mode) Pickup Setting Time Delay 78 V 50 ms 38 V 50 ms 22 V 50 ms Step 5: Connect and appl

9424200995 Rev H 333 Table 124. Operational Settings (Vx Fundamental Mode) Setting Value BESTCOMSPlus Screen Description Aux VT Ratio 1 System Parame

334 9424200995 Rev H Step 8: (Optional.) Repeat steps 1 through 7 for the B-phase and C-phase voltage inputs. Step 9: (Optional.) Repeat steps 1

9424200995 Rev H 335 Figure 243. BESTlogicPlus Settings (Vx Third Harmonic Mode) Step 3: Use BESTCOMSPlus to open the Protection, Voltage, Underv

336 9424200995 Rev H Step 5: Repeat step 4 for the 5,000 ms and 10,000 ms time delay settings of Table 129. Record the results. Step 6: (Optional

9424200995 Rev H 337 Timing Verification (V1 Mode) Time Delay Range = 50 to 600,000 ms Timing Accuracy = ±0.5% or ±2 cycles, whichever is greater Ste

9424200995 Rev H 23 Controls and Indicators BE1-11t controls and indicators are located on the front panel and include sealed membrane switches, LED

338 9424200995 Rev H Timing Verification (Vx Fundamental Mode) Time Delay Range = 50 to 600,000 ms Timing Accuracy = ±0.5% or ±2 cycles, whichever

9424200995 Rev H 339 Phase Overvoltage (59P) Test Functional testing is a way to assess this protection system’s suitability for your application. Fu

340 9424200995 Rev H Step 2: Use BESTCOMSPlus to configure the BESTlogicPlus programmable logic shown in Figure 244. • Blocking is disabled. •

9424200995 Rev H 341 Step 2: Prepare to monitor the 59P-1 timings. Timing accuracy is verified by measuring the elapsed time between a sensing volta

342 9424200995 Rev H Phase Overvoltage (59P) Test BE1-11t

9424200995 Rev H 343 Auxiliary Overvoltage (59X) Test Functional testing is a way to assess this protection system’s suitability for your application

344 9424200995 Rev H Step 2: Use BESTCOMSPlus to configure the BESTlogicPlus programmable logic shown in Figure 245. • Blocking is disabled. •

9424200995 Rev H 345 Step 2: Prepare to monitor the 59X-1 timings. Timing accuracy is verified by measuring the elapsed time between a sensing volta

346 9424200995 Rev H Table 137. Pickup Test Settings (V1 Mode) Pickup Setting Time Delay 82 V 50 ms 42 V 50 ms 25 V 50 ms Step 4: Prepare to monit

9424200995 Rev H 347 Table 139. Operational Settings (V2 Mode) Setting Value BESTCOMSPlus Screen Description Phase VT Ratio 1 System Parameters, Sens

24 9424200995 Rev H Table 2. Front Panel Descriptions Locator Description A Power Indicator – This green LED lights when operating power is applied

348 9424200995 Rev H Step 7: Verify the pickup and dropout accuracy at 120 Vac for a pickup setting of 42 V (126 Vac on test set) and 70 Vac for a

9424200995 Rev H 349 Figure 248. BESTlogicPlus Settings (Vx Fundamental Mode) Step 3: Use BESTCOMSPlus to open the Protection, Voltage, Overvolta

350 9424200995 Rev H Step 5: Repeat step 4 for the 5,000 ms and 10,000 ms time delay settings of Table 144. Record the results. Step 6: (Optional

9424200995 Rev H 351 Step 5: Connect and apply a single-phase, 120 Vac, 3rd harmonic voltage source to the Vx input, terminals C17 (polarity) and C1

352 9424200995 Rev H Timing Verification (3V0 Mode) Time Delay Range = 50 to 600,000 ms Timing Accuracy = ±0.5% or ±2 cycles, whichever is greater

9424200995 Rev H 353 Step Time Delay Setting Low Actual Timing High Pass/Fail 4 2,000 ms 1,968 ms 2,032 ms P / F 5 5,000 ms 4,968 ms 5,032 ms P

354 9424200995 Rev H Auxiliary Overvoltage (59X) Test BE1-11t

9424200995 Rev H 355 Frequency (81) Test Functional testing is a way to assess this protection system’s suitability for your application. Functional

356 9424200995 Rev H Step 2: Use BESTCOMSPlus to configure the BESTlogicPlus programmable logic shown in Figure 250. • Blocking is disabled. •

9424200995 Rev H 357 Step 2: Use BESTCOMSPlus to configure the BESTlogicPlus programmable logic shown in Figure 251. • Blocking is disabled. • O

9424200995 Rev H 25 Menu Navigation A menu tree with a Metering branch and a Settings branch can be accessed through the front-panel controls and dis

358 9424200995 Rev H Step 3: Connect and apply a 120 Vac, 60-hertz voltage source to terminals C13 (A-phase) and C16 (neutral). Step 4: Step

9424200995 Rev H 359 Step 4: Connect a 120 Vac voltage source capable of smoothly sweeping the frequency from 35 Hz to 75 Hz to terminals C13 (A-p

360 9424200995 Rev H Step 2: Use BESTCOMSPlus to configure the BESTlogicPlus programmable logic shown in Figure 253. • Blocking is disabled. •

9424200995 Rev H 361 Underfrequency Pickup Verification Pickup Setting Range = 15 to 70 Hz Pickup Accuracy = ±0.01 Hz Reset = 0.02 Hz ±0.01 Hz of the

362 9424200995 Rev H Frequency (81) Test BE1-11t

9424200995 Rev H 363 Instantaneous Overcurrent (50) Test Functional testing is a way to assess this protection system’s suitability for your applicat

364 9424200995 Rev H Figure 254. BESTlogicPlus Settings (Phase Mode) Step 3: Use BESTCOMSPlus to open the Protection, Current, Instantaneous Ov

9424200995 Rev H 365 Table 157. Timing Test Settings (Phase Mode) Pickup Setting Time Delay 0.5 A 2,000 ms 0.5 A 5,000 ms 0.5 A 10,000 ms Step 5: Re

366 9424200995 Rev H Figure 255. BESTlogicPlus Settings (3I0 Mode) Table 159. Pickup Test Settings (3I0 Mode) Sensing Input Type Range Pickup Se

9424200995 Rev H 367 Step 4: Step the A-phase current up to 0.55 A. Measure the time delay and record the result. Step 5: Repeat step 4 for the 5,0

26 9424200995 Rev H 7. If the proper username and password have been entered, the screen will flash the type of access that has been granted. If a

368 9424200995 Rev H Sensing Input Type Range Pickup Setting Time Delay 1 A Low 0.1 A 0 ms Middle 1.0 A 0 ms High 1.8 A 0 ms Step 4: Prepare to

9424200995 Rev H 369 Pickup Verification (IG Mode) Step 1: Use BESTCOMSPlus to send the operational settings in Table 164 to the BE1-11t. Reset al

370 9424200995 Rev H Step 6: Slowly increase the ground current until OUT2 closes and record the pickup. Verify that there is a 50-1-IND GND targe

9424200995 Rev H 371 Timing Verification (Phase Mode) Time Delay Range = 0 to 60,000 ms Timing Accuracy = ±0.5% or ±½ cycle, whichever is greater + 3

372 9424200995 Rev H Step Pickup Setting Low Actual Pickup High Low* Actual Dropout High* Pass/Fail I2 IA I2 IA I2 IA I2 IA I2 IA 6 0.5 (5A CT) 1.5

9424200995 Rev H 373 Timing Verification (IG Mode) Time Delay Range = 0 to 60,000 ms Timing Accuracy = ±0.5% or ±½ cycle, whichever is greater + 3 cy

374 9424200995 Rev H Instantaneous Overcurrent (50) Test BE1-11t

9424200995 Rev H 375 Breaker Fail (50BF) Test Functional testing is a way to assess this protection system’s suitability for your application. Functi

376 9424200995 Rev H • Fault recording is enabled. • Breaker Status is closed with /IN1. Figure 258. BESTlogicPlus Settings (BFI52 Contact Initi

9424200995 Rev H 377 Setting Value BESTCOMSPlus Screen Description Element Mode IA Protection, Current, Instantaneous Overcurrent (50-1) Enables 50-1

9424200995 Rev H 27 4. Press the Edit pushbutton a second time and the switch will change to the selected position and the Edit LED will go out. If

378 9424200995 Rev H Table 169. Control Time Delay Settings Setting Value BESTCOMSPlus Screen Description Phase Pickup 1 A Protection, Current, Bre

9424200995 Rev H 379 Inverse Overcurrent (51) Test Functional testing is a way to assess this protection system’s suitability for your application. F

380 9424200995 Rev H Figure 260. BESTlogicPlus Settings (Phase Mode) Step 3: Use BESTCOMSPlus to open the Protection, Current, Inverse Overcurr

9424200995 Rev H 381 Step 2: Prepare to monitor the 51-1 timings. Timing accuracy is verified by measuring the elapsed time between a sensing curren

382 9424200995 Rev H Table 174. Operational Settings (3I0 Mode) Setting Value BESTCOMSPlus Screen Description Phase CT Ratio 1 System Parameters, S

9424200995 Rev H 383 Step 8: (Optional.) Repeat steps 1 through 7 for settings group 1, 2, and 3. Step 9: (Optional.) Repeat steps 1 through 8

384 9424200995 Rev H Pickup Verification (I2 Mode) Step 1: Use BESTCOMSPlus to send the operational settings in Table 178 to the BE1-11t. Reset

9424200995 Rev H 385 Step 6: Slowly increase the A-phase current until OUT2 closes and record the pickup. Verify that there is a 51-1-Neg SEQ target

386 9424200995 Rev H Step 5: Repeat step 4 for all of the current and time dial settings for your current sensing type. Step 6: (Optional.) Repea

9424200995 Rev H 387 Table 183. Pickup Test Settings (IG Mode) Sensing Input Type Range Pickup Setting Time Dial Time Curve 5 A Low 0.5 A 0 I2 Mid

ii 9424200995 Rev H 12570 State Route 143 Highland IL 62249-1074 USA www.basler.com [email protected] Tel: +1 618.654.2341 Fax: +1 618.654.2351

28 9424200995 Rev H Table 3. Settings for Front-Panel Display Locator Setting Range Increment Unit Default A LCD Contrast Value 25 to 100 1 percent

388 9424200995 Rev H Table 185. Timing Test Settings (IG Mode) Sensing Type Time Dial Applied Current 5 A 0.5 1.00 A 2.50 A 12.50 A 5.0 1.00 A 2.50

9424200995 Rev H 389 Dropout should occur between 93-99% of the actual pickup value. Step Pickup Setting Low Actual Pickup High Low* Actual Dropout

390 9424200995 Rev H Dropout should occur between 93-99% of the actual pickup value. Step Pickup Setting Low Actual Pickup High Low* Actual Dropo

9424200995 Rev H 391 Dropout should occur between 93-99% of the actual pickup value. Step Pickup Setting Low Actual Pickup High Low* Actual Dropout H

392 9424200995 Rev H Pickup Verification (IG Mode) Pickup Setting Range = 0.5 to 16 A for 5A sensing 0.1 to 3.2 A for 1A sensing 0.01 to 0.8 A

9424200995 Rev H 393 4 5.0 I2 0.50 A 1.798 sec 1.988 sec P / F 4 5.0 I2 2.50 A 0.944 sec 1.044 sec P / F 4 9.9 I2 0.20 A 8.300 sec 9.173 s

394 9424200995 Rev H Inverse Overcurrent (51) Test BE1-11t

9424200995 Rev H 395 Directional Overcurrent (67) Test Functional testing is a way to assess this protection system’s suitability for your applicatio

396 9424200995 Rev H Setting Value BESTCOMSPlus Screen Description Element Mode IA Protection, Current, Instantaneous Overcurrent (50-1) Enables 50

9424200995 Rev H 397 Step 3: Using Table 187 as a guide, send the settings to the BE1-11t. Prior to each directional test, reset the BE1-11t targe

9424200995 Rev H 29 Contact Inputs and Outputs BE1-11t Transformer Protection Systems provide seven contact inputs, eight general-purpose contact out

398 9424200995 Rev H Negative-Sequence Voltage Polarizing, Negative-Sequence Overcurrent Elements Step 11: Using Table 188 as a guide, send the se

9424200995 Rev H 399 Negative-Sequence Voltage Polarizing, Ground Overcurrent Elements Step 19: Using Table 190 as a guide, send the settings to the

400 9424200995 Rev H Dropout will occur at approximately 95% of the actual pickup value. Verify that there is a 50-2-67-Residual target on the fron

9424200995 Rev H 401 Step 31: (Optional.) Repeat steps 4 through 30 for 50-4, 50-5, and 50-6. Setup commands and associated operational setting Tabl

402 9424200995 Rev H Directional Overcurrent (67) Test BE1-11t

9424200995 Rev H 403 Phase Current Differential (87) Test Functional testing is a way to assess this protection system’s suitability for your applica

404 9424200995 Rev H Setting Value BESTCOMSPlus Screen Description CT 2 Connection WYE System Parameters, Sensing Transformers Sets the CT 2 connec

9424200995 Rev H 405 Setting Value BESTCOMSPlus Screen Description Mode Percent Differential Protection, Current, Phase Differential (87) Sets the ty

406 9424200995 Rev H Figure 265. BESTlogicPlus Settings (87R) Step 8: Slowly decrease the A-phase current in CT circuit 1 or 2 until OUT2 closes

9424200995 Rev H 407 Setting Value BESTCOMSPlus Screen Description Nominal Phase Current 5 A System Parameters, Power System Sets the nominal seconda

30 9424200995 Rev H input(s) that you want to configure. Observe all electrostatic discharge (ESD) precautions when handling the BE1-11t. 3. Using

408 9424200995 Rev H Setting Value BESTCOMSPlus Screen Description Circuit 1 Tap 2.00 System Parameters, Transformer Setup Sets the tap for circuit

9424200995 Rev H 409 Step 5: Slowly increase the A-phase current in CT circuit 1 or 2 until OUT2 closes and record the pickup. This should occur at

410 9424200995 Rev H Unrestrained Functional Test Procedure Pickup Verification Step 1: Use BESTCOMSPlus to verify the operational settings in T

9424200995 Rev H 411 Second-Harmonic Restraint Verification (Shared) Step 1: Use BESTCOMSPlus to send the operational settings in Table 194 and ve

412 9424200995 Rev H Step 6: (Optional.) Repeat steps 1 through 5 for settings group 1, 2, and 3. Functional Test Reports Restrained Pickup Verifi

9424200995 Rev H 413 2nd Harmonic Restraint Verification (Independent) Pickup Accuracy = ±2% or ±0.05A, whichever is greater. Step Pickup Setting Low

414 9424200995 Rev H Phase Current Differential (87) Test BE1-11t

9424200995 Rev H 415 Neutral Current Differential (87N) Test Functional testing is a way to assess this protection system’s suitability for your appl

416 9424200995 Rev H Setting Value BESTCOMSPlus Screen Description Circuit 1 Ground Compensation No System Parameters, Transformer Setup Disables t

9424200995 Rev H 417 Step 4: Connect a single-phase 60-Hz current source to terminals D1 and D2 (CT1 A-phase): 3.0 A ∠0°. Connect a single-phase cur

9424200995 Rev H 31 At this point, the logic variable will change from an energized (logic 1 or true) state to a de-energized (logic 0 or false) stat

418 9424200995 Rev H Timing Verification Time Delay Range = 50 to 60,000 ms Timing Accuracy = ±0.5% or ±2 cycles, whichever is greater Step Time D

9424200995 Rev H 419 Virtual Control Switches (43) Test Functional testing is a way to assess this protection system’s suitability for your applicati

420 9424200995 Rev H Figure 268. BESTlogicPlus Settings Step 3: Prepare to monitor the virtual switch operation. An ohmmeter or continuity test

9424200995 Rev H 421 Step 2: Prepare to monitor the virtual switch operation. An ohmmeter or continuity tester can be used to monitor the contact

422 9424200995 Rev H Virtual Control Switches (43) Test BE1-11t

9424200995 Rev H 423 Logic Timers (62) Test Functional testing is a way to assess this protection system’s suitability for your application. Function

424 9424200995 Rev H Figure 270. BESTlogicPlus Settings Step 3: Steps 4 through 6 will initiate the 62-1 timer by changing the 43-1 switch stat

9424200995 Rev H 425 Figure 272. Pickup/Dropout Mode Step 10: (Optional.) Repeat steps 1 through 9 for 62-1, 62-2, 62-3, 62-4, 62-5, 62-6, 62-7, an

426 9424200995 Rev H despite a second 43-1 OFF to ON initiate signal while the duration timer was active. Figure 273 illustrates the timing relatio

9424200995 Rev H 427 Note The 43-1 switch action is performed three times in this test. To illustrate the action of the timer mode, step 4 should be

32 9424200995 Rev H See Table 5 for a list of settings and their defaults. Table 5. Contact Input Settings Setting Range Increment Unit Default Lab

428 9424200995 Rev H Step 2: Steps 3 through 5 supply the 62-1 timer with a block input by changing the 43-1 switch state to ON. You can view th

9424200995 Rev H 429 Figure 275. Integrating Timer Mode Latched Mode Step 1: Use BESTCOMSPlus to send the operational settings in Table 201 to th

430 9424200995 Rev H Figure 276. BESTlogicPlus Settings (Latched Mode) Note The 43-1 switch action is performed twice in this test. The 43-2 swit

9424200995 Rev H 431 Figure 277. Latched Mode Functional Test Report Function Pass/Fail Pickup/Dropout Mode P / F One-Shot Non-Retriggerable Mod

432 9424200995 Rev H Logic Timers (62) Test BE1-11t

9424200995 Rev H 433 Lockout Functions (86) Test Functional testing is a way to assess this protection system’s suitability for your application. Fun

434 9424200995 Rev H Step 5: Apply voltage to IN1. Verify that OUT1 closes and remains closed. Step 6: Power down the BE1-11t and verify that

9424200995 Rev H 435 Breaker Control Switch (101) Test Functional testing is a way to assess this protection system’s suitability for your applicatio

436 9424200995 Rev H Figure 279. BESTlogicPlus Settings Step 5: Place the 101 in the CLOSE position by using the Metering Explorer in BESTCOMSP

9424200995 Rev H 437 Frequently Asked Questions (FAQ) Electrical/Connections Is the power supply polarity sensitive? No, the power supply will accept

9424200995 Rev H 33 1. The relay trouble alarm disables all hardware outputs. 2. The programmable hold timer is active. 3. The select-before-opera

438 9424200995 Rev H How can I check the version number of my BE1-11t? The application version can be found in four different ways: One, on the Se

9424200995 Rev H 439 Troubleshooting Basler microprocessor-based protection systems are similar in nature to a panel of electromechanical or solid-st

440 9424200995 Rev H withdrawn and any unsaved changes are lost. When activity at a port is no longer required, access should be terminated. Obtain

9424200995 Rev H 441 Why don't the targets or trip LED work properly? If a protective element is tripping at the desired level, but the targets

442 9424200995 Rev H Troubleshooting BE1-11t

9424200995 Rev H 443 Specifications BE1-11t protection systems used in 50/60 Hz systems have the following features and capabilities. For 25 Hz opera

444 9424200995 Rev H Reactive Power 5 Ampere CT Range ... –7,500 var to +7,500 var 1 Ampere CT Range

9424200995 Rev H 445 Inhibit Level Setting Range ... 1 to 300 V Accuracy...

446 9424200995 Rev H Time Delay Setting Range ... 0 to 600,000 ms Accuracy...

9424200995 Rev H 447 51 - Inverse Overcurrent Protection Pickup 5 Ampere CT Setting Range ... 0.5 to 16 A 1 Ampere

34 9424200995 Rev H Programmable Hold Timer—Hold Attribute Historically, electromechanical relays have provided trip contact seal-in circuits. Thes

448 9424200995 Rev H 59P - Phase Overvoltage Protection Pickup Setting Range ... 1 to 300 V

9424200995 Rev H 449 ● Zero Sequence Polarization (V) ○ VOIN - Calculated Zero Sequence Voltage compared to Calculated Zero Sequence Current. ○ VO

450 9424200995 Rev H Minimum Restraint Pickup (Iop) Setting Range ... 0.1 to 1.00 per unit

9424200995 Rev H 451 Switch Time Range ... 0 to 60 min with 1 min increments whe

452 9424200995 Rev H Auxiliary AC Voltage Input Continuous Rating ... 150 V, Line to Line One Sec

9424200995 Rev H 453 Turn-On Voltage Contact-sensing turn-on voltages are listed in Table 205. Table 205. Contact-Sensing Turn-On Voltages Style Opti

454 9424200995 Rev H IRIG Interface Interface supports IRIG Standard 200-04, Format B006. Input Signal ...

9424200995 Rev H 455 Ethernet (Optional) Either an RJ45 or a fiber optic Ethernet port is available. See style chart. These connectors provide dynami

456 9424200995 Rev H IEEE Std C37.90.2-2004 - IEEE Standard Withstand Capability of Relay Systems to Radiated Electromagnetic Interference from Tra

9424200995 Rev H 457 HALT (Highly Accelerated Life Testing) Basler Electric uses HALT to prove that our products will provide the user with many year

9424200995 Rev H 35 Figure 31. Contact Outputs Screen Contact Output Logic Override Control BESTCOMSPlus Navigation Path: Metering Explorer, Control

458 9424200995 Rev H Specifications BE1-11t

9424200995 Rev H 459 Specifications - 25 Hz Operation BE1-11t protection systems used in 25 Hz systems have the following features and capabilities.

460 9424200995 Rev H Reactive Power 5 Ampere CT Range ... –7,500 var to +7,500 var 1 Ampere CT Range

9424200995 Rev H 461 Inhibit Level Setting Range ... 1 to 300 V Accuracy...

462 9424200995 Rev H Time Delay Setting Range ... 0 to 600,000 ms Accuracy...

9424200995 Rev H 463 51 - Inverse Overcurrent Protection Pickup 5 Ampere CT Setting Range ... 0.5 to 16 A 1 Ampere

464 9424200995 Rev H 59P - Phase Overvoltage Protection Pickup Setting Range ... 1 to 300 V

9424200995 Rev H 465 81 - Frequency Protection O/U Pickup Setting Range ... 15 to 70 Hz Accur

466 9424200995 Rev H Restraint Slope 1 Setting Range ... 5 to 100% Restraint Slope 2 Settin

9424200995 Rev H 467 Time Curve Characteristics This chapter provides time curve information for the inverse overcurrent (51), under/overvoltage (27/

36 9424200995 Rev H In the Action column, select Pulse from the drop-down menu and click on the green arrow to the right. Pulse override control ca

468 9424200995 Rev H Curve Selection Curve Name Trip Characteristic Constants Reset ∗ A B C N K R I1 CO Inverse Time 8.9341 0.17966 1 2.0938 0.028

9424200995 Rev H 469 Table 208. Characteristic Curve Cross-Reference Curve Curve Name Similar To S1 CO Short Inverse ABB CO-2 S2 IAC Short Inverse GE

470 9424200995 Rev H Basler Electric protection systems have a maximum time dial setting of 9.9. The Basler Electric equivalent time dial setting f

9424200995 Rev H 471 The K factor gives the time that a generator can withstand 1 per unit negative sequence current. For example, with a K factor of

472 9424200995 Rev H Figure 281. Time Characteristic Curve S1, Short Inverse (Similar to ABB CO-2) Time Curve Characteristics BE1-11t

9424200995 Rev H 473 Figure 282. Time Characteristic Curve S2, Short Inverse (Similar To GE IAC-55) BE1-11t Time Curve Characteristics

474 9424200995 Rev H Figure 283. Time Characteristic Curve A, Standard Inverse (BS 142) Time Curve Characteristics BE1-11t

9424200995 Rev H 475 Figure 284. Time Characteristic Curve A1, Inverse (IEC 60255-151 Ed. 1) BE1-11t Time Curve Characteristics

476 9424200995 Rev H Figure 285. Time Characteristic Curve I1, Inverse Time (Similar to ABB CO-8) Time Curve Characteristics BE1-11t

9424200995 Rev H 477 Figure 286. Time Characteristic Curve I2, Inverse Time (Similar to GE IAC-51) BE1-11t Time Curve Characteristics

9424200995 Rev H 37 Overexcitation (24) Protection The overexcitation (24) element monitors the volts per hertz ratio and protects transformers and g

478 9424200995 Rev H Figure 287. Time Characteristic Curve M, Moderately Inverse (Similar to ABB CO-7) Time Curve Characteristics BE1-11t

9424200995 Rev H 479 Figure 288. Time Characteristic Curve D1, Moderately Inverse (IEC 60255-151 Ed. 1) 0.010.101.0010.00100.001000.001 10 100MUL

480 9424200995 Rev H Figure 289. Time Characteristic Curve L1, Long Inverse (Similar to ABB CO-5) Time Curve Characteristics BE1-11t

9424200995 Rev H 481 Figure 290. Time Characteristic Curve L2, Long Inverse (Similar To GE IAC-66) BE1-11t Time Curve Characteristics

482 9424200995 Rev H Figure 291. Time Characteristic Curve G, Long Time Inverse (BS 142) Time Curve Characteristics BE1-11t

9424200995 Rev H 483 Figure 292. Time Characteristic Curve V1, Very Inverse (Similar to ABB CO-9) BE1-11t Time Curve Characteristics

484 9424200995 Rev H Figure 293. Time Characteristic Curve V2, Very Inverse (Similar to GE IAC-53) Time Curve Characteristics BE1-11t

9424200995 Rev H 485 Figure 294. Time Characteristic Curve B, Very Inverse (BS 142) BE1-11t Time Curve Characteristics

486 9424200995 Rev H Figure 295. Time Characteristic Curve B1, Very Inverse (IEC 60255-151 Ed. 1) Time Curve Characteristics BE1-11t

9424200995 Rev H 487 Figure 296. Time Characteristic Curve E3, Very Inverse (IEC 60255-151 Ed. 1) 0.010.101.0010.00100.001000.001 10 100MULTIPLES

9424200995 Rev H iii Contents Introduction ...

38 9424200995 Rev H Trip and Reset Equations Equation 3 and Equation 4 represent the trip time and reset time for a constant V/Hz level. Normally,

488 9424200995 Rev H Figure 297. Time Characteristic Curve E1, Extremely Inverse (Similar to ABB CO-11) Time Curve Characteristics BE1-11t

9424200995 Rev H 489 Figure 298. Time Characteristic Curve E2, Extremely Inverse (Similar to GE IAC-77) BE1-11t Time Curve Characteristics

490 9424200995 Rev H Figure 299. Time Characteristic Curve C, Extremely Inverse (BS 142) Time Curve Characteristics BE1-11t

9424200995 Rev H 491 Figure 300. Time Characteristic Curve C1, Extremely Inverse (IEC 60255-151 Ed. 1) BE1-11t Time Curve Characteristics

492 9424200995 Rev H Figure 301. Time Characteristic Curve F1, Extremely Inverse (IEC 60255-151 Ed. 1) 0.010.101.0010.00100.001000.001 10 100MU

9424200995 Rev H 493 Figure 302. Time Characteristic Curve D, Definite Time (Similar To ABB CO-6) BE1-11t Time Curve Characteristics

494 9424200995 Rev H Figure 303. 46 Time Characteristic Curve NOTE: Curves are shown as extending farther to the left than they will in practice.

9424200995 Rev H 495 Under/Overvoltage (27/59) The 27 and 59 elements have independent user defined definite and inverse time delays. The inverse tim

496 9424200995 Rev H Figure 304. Undervoltage (27) Inverse Time Curve 0.101.0010.00100.000 1TIME IN SECONDS MULTIPLES OF PICKUP 9.99876543210.5

9424200995 Rev H 497 Overvoltage (59) Inverse Time Curve The overvoltage inverse time curve is defined by Equation 34 and shown in Figure 305. =

9424200995 Rev H 39 Programmable Alarm A 24 Volts per Hz alarm occurs during overexcitation so that corrective action can be taken before the 24 func

498 9424200995 Rev H Figure 305. Overvoltage (59) Inverse Time Curve 0.101.0010.00100.001 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2TIME IN SECONDS

9424200995 Rev H 499 Overexcitation (24) General The inverse time curves for the overexcitation (24) element are defined below. Equation 35 and Equat

500 9424200995 Rev H Figure 306. V/Hz Characteristic (M-1)^0.5 – Time on Vertical Axis Figure 307. V/Hz Characteristic (M-1)^0.5 – Time on Horiz

9424200995 Rev H 501 Figure 308. V/Hz Characteristic (M-1)^1 – Time on Vertical Axis Figure 309. V/Hz Characteristic (M-1)^1 – Time on Horizontal

502 9424200995 Rev H Figure 310. V/Hz Characteristic (M-1)^2 – Time on Vertical Axis Figure 311. V/Hz Characteristic (M-1)^2 – Time on Horizonta

9424200995 Rev H 503 RTD Module The RTD (Resistance Temperature Detector) module is an optional remote device that provides RTD inputs, analog inputs

504 9424200995 Rev H Mounting RTD modules are contained in a potted plastic case and may be mounted in any convenient position using UNC ¼-20 or eq

9424200995 Rev H 505 Terminations The terminal interface consists of permanently mounted connectors with screw-down compression terminals. RTD module

506 9424200995 Rev H Figure 313. Input and Output Terminals Table 212. Input and Output Terminals Connector Description TB1 Operating Power and Al

9424200995 Rev H 507 Figure 314. Analog Inputs - Voltage Input Connections Figure 315. Analog Inputs - Current Input Connections External RTD Input

40 9424200995 Rev H Figure 34. Overexcitation Settings Screen Table 9. Operational Settings Setting Range Increment Unit of Measure Default Mode D

508 9424200995 Rev H Figure 317. External Three-Wire RTD Input Connections RTD Module Communications Setup Procedure Communication between the BE1

9424200995 Rev H 509 5. Open the RTD Module plugin in BESTCOMSPlus. 6. Pull down the Communication menu and select New Connection  RTD Module. The

510 9424200995 Rev H Figure 319. Procedure 2 Connect to RTD Module 1. Connect an Ethernet cable directly between the PC and RTD module. 2. Apply

9424200995 Rev H 511 10. Click Send to Device. A password is required. The default password is “OEM”. Click Close. 11. Click Cancel on the Device Dis

512 9424200995 Rev H Figure 320. BESTCOMSPlus Select Language Screen The BESTCOMSPlus splash screen is shown for a brief time. See Figure 321. Fi

9424200995 Rev H 513 Figure 323. RTD Module Connection Screen Wait until scanning is complete. See Figure 324. Figure 324. Scanning for Connected D

514 9424200995 Rev H The Configure - RTD Module screen shown in Figure 326 appears. The BE1-11t uses the Device Address to communicate with the con

9424200995 Rev H 515 screen is found by selecting Activate Device from the Tools pull-down menu of the BESTCOMSPlus main screen. Device Info Informat

516 9424200995 Rev H Figure 330. Login Screen Enter the Password and then click the Log In button. The default password is “OEM”. The Device Secur

9424200995 Rev H 517 Figure 332. Module 1 Input #1 Screen Table 213 summarizes the configuration settings for remote analog inputs. Table 213. Confi

9424200995 Rev H 41 Figure 35. Time Shown on Vertical Axis Figure 36. Time Shown on Horizontal Axis Volt/Hz Characteristic1.010.0100.01000.0100%

518 9424200995 Rev H Figure 333. Module 1 Output #1 Screen Table 214 summarizes the configuration settings for remote analog outputs. Table 214. C

9424200995 Rev H 519 Figure 334. RTD Type Selection Screen Use the Settings Explorer to open the Programmable Outputs, Remote RTD, RTD Block Configu

520 9424200995 Rev H Maximum Lead Length ... 150 feet (4.25 km) with 22 AWG (0.326 mm2) wire Sensing Current Level ... 2.5

9424200995 Rev H 521 IEC 60255-5: Electrical Insulation Tests for Electrical Relays. Dielectric Test and Impulse Test IEC 60255-6: Electrical Relay

522 9424200995 Rev H expected to provide long-term operation in a rugged environment. Note that the vibration and temperature extremes listed in th

9424200995 Rev H 523 Digital Points The status of all BE1-11t digital points is displayed in the Metering Explorer of BESTCOMSPlus® under Status, Dig

524 9424200995 Rev H Name Number 43-3 Pulse 542 43-3 Reset 543 43-3 Set 544 43-3 Tag Block 547 43-3 Tag Information 548 43-3 Untag Block 549 43-3 U

9424200995 Rev H 525 Name Number 49RTD-12 RTD 2-1 1953 49RTD-12 RTD 2-10 1962 49RTD-12 RTD 2-11 1963 49RTD-12 RTD 2-12 1964 49RTD-12 RTD 2-2 1954 49R

526 9424200995 Rev H Name Number 49RTD-4 Pickup 1104 49RTD-4 RTD 1-1 1106 49RTD-4 RTD 1-10 1115 49RTD-4 RTD 1-11 1116 49RTD-4 RTD 1-12 1117 49RTD-4

9424200995 Rev H 527 Name Number 49RTD-8 RTD 2-10 1854 49RTD-8 RTD 2-11 1855 49RTD-8 RTD 2-12 1856 49RTD-8 RTD 2-2 1846 49RTD-8 RTD 2-3 1847 49RTD-8

42 9424200995 Rev H Assuming a Vnom of 69.3 Vpn, 1 pu volts/hertz = (69.3 * √3) / 60 = 2.00. Using IEEE Std C37.102-2006 - IEEE Guide for AC Genera

528 9424200995 Rev H Name Number 50-5 67 IND GND 260 50-5 67 Neg SEQ 258 50-5 67 Pos SEQ 262 50-5 67 Residual 259 50-5 67 Unbalance 264 50-5 A 249

9424200995 Rev H 529 Name Number 51-1 Prevent Config Option Change 305 51-1 Residual 293 51-1 Trip 288 51-1 Unbalance 303 51-2 67 Unbalance 324 51-2

530 9424200995 Rev H Name Number 51-7 Trip 408 51-7 Unbalance 423 51-8 67 Unbalance 1491 51-8 67T A 1482 51-8 67T B 1483 51-8 67T C 1484 51-8 67T I

9424200995 Rev H 531 Name Number 60FL J State 19 60FL K State 20 60FL L State 21 60FL N State 22 60FL P State 23 60FL R State 24 61850 Config Error 1

532 9424200995 Rev H Name Number 87 Unrestrained C 1204 87N-1 818 87N-1 Block 815 87N-1 Pickup 816 87N-1 Trip 817 87N-2 1802 87N-2 Block 1799 87N-2

9424200995 Rev H 533 Name Number Front Panel Keys KEY9 776 FrontPanel LED1 1513 FrontPanel LED2 1514 FrontPanel LED3 1515 FrontPanel LED4 1516 FrontP

534 9424200995 Rev H Name Number GGIO-CTL3 Oper01Alarm 1665 GGIO-CTL3 Oper01Default 1664 GGIO-CTL3 Oper02 1666 GGIO-CTL3 Oper02Alarm 1668 GGIO-CTL3

9424200995 Rev H 535 Name Number INDGGIO2_IND12 1277 INDGGIO2_IND13 1278 INDGGIO2_IND14 1279 INDGGIO2_IND15 1280 INDGGIO2_IND16 1281 INDGGIO3_IND01 1

536 9424200995 Rev H Name Number Output 8 State 834 Output 9 State 835 Output Alarm - Output Override Enabled Alarm 705 Output Override 742 Phase B

9424200995 Rev H 537 Revision History Table 216 provides a historical summary of the changes made to the BE1-11g hardware. Application firmware chang

9424200995 Rev H 43 Phase Undervoltage (27P) Protection Five phase undervoltage (27P) elements monitor the sensing voltage applied to the BE1-11t. An

538 9424200995 Rev H Firmware Version and Date Change 2.07.00, Nov-13 • Made alarms available in BESTlogicPlus • Added a second 87N element • E

9424200995 Rev H 539 Software Version and Date Change 3.04.00, Aug-13 • Added default fixed 0 on logic block inputs in BESTlogicPlus 3.04.01, Oct-13

540 9424200995 Rev H Revision History BE1-11t

12570 State Route 143 Highland IL 62249-1074 USA Tel: +1 618.654.2341 Fax: +1 618.654.2351 email: [email protected] P.A.E. Les Pins 67319 Wasselonne

44 9424200995 Rev H Trip The Trip output becomes true when an undervoltage pickup condition persists for the duration of the element Time Delay set

9424200995 Rev H 45 Operational Settings Phase undervoltage element operational settings are configured on the Undervoltage (27P) settings screen (Fi

46 9424200995 Rev H Phase Undervoltage (27P) Protection BE1-11t

9424200995 Rev H 47 Auxiliary Undervoltage (27X) Protection Four auxiliary undervoltage (27X) elements monitor the phase and auxiliary voltage applie

iv 9424200995 Rev H Instantaneous Overcurrent (50) Protection ...

48 9424200995 Rev H parameter set to AB, for example, will display the metering data as AB in fault records and display the pickup setting as Vpp i

9424200995 Rev H 49 Element Blocking Fuse Loss The fuse loss (60FL) element of the BE1-11t can be used to block 27X protection when fuse loss or loss

50 9424200995 Rev H Figure 41. Auxiliary Undervoltage Settings Screen Table 14. Operational Settings Setting Range Increment Unit of Measure Defau

9424200995 Rev H 51 Negative-Sequence Voltage (47) Protection Negative-sequence voltage protection is included as a mode of the 27X (Auxiliary Underv

52 9424200995 Rev H Negative-Sequence Voltage (47) Protection BE1-11t

9424200995 Rev H 53 Phase Overvoltage (59P) Protection Four phase overvoltage (59P) elements monitor the sensing voltage applied to the BE1-11t. An e

54 9424200995 Rev H Trip The Trip output becomes true if an overvoltage pickup condition persists for the duration of the element Time Delay settin

9424200995 Rev H 55 Figure 43. Overvoltage Settings Screen Table 16. Operational Settings Setting Range Increment Unit of Measure Default Mode Disab

56 9424200995 Rev H Phase Overvoltage (59P) Protection BE1-11t

9424200995 Rev H 57 Auxiliary Overvoltage (59X) Protection Four auxiliary overvoltage (59X) elements monitor the phase and auxiliary voltage applied

9424200995 Rev H v Setting Groups ...

58 9424200995 Rev H pickup setting as Vpp in BESTCOMSPlus. See Table 17 for a full list of possible settings. The Aux VT Connection parameter is fo

9424200995 Rev H 59 element Block input to the desired logic in BESTlogicPlus. When the element is initially selected from the Elements view, the def

60 9424200995 Rev H Table 19. Operational Settings Setting Range Increment Unit of Measure Default Mode* Disabled, 3V0, V1, V2, Vx Fundamental, Vx

9424200995 Rev H 61 Frequency (81) Protection Eight frequency (81) elements monitor the frequency of the sensing voltage applied to the BE1-11t. An e

62 9424200995 Rev H Pickup and Trip The Pickup output occurs first, followed by the Trip output. Pickup The Pickup output becomes true when the mea

9424200995 Rev H 63 Sensing Source Frequency ROC protection can be applied to the voltage sensed at the BE1-11t phase VT input or auxiliary VT (Vx) i

64 9424200995 Rev H Logic Connections Frequency element logic connections are made on the BESTlogicPlus screen in BESTCOMSPlus. The frequency eleme

9424200995 Rev H 65 Setting Range Increment Unit of Measure Default Time Delay 0 to 600,000 varies milliseconds 0 Voltage Inhibit 0 or 15 to 250 0.

66 9424200995 Rev H Frequency (81) Protection BE1-11t

9424200995 Rev H 67 Negative-Sequence Overcurrent (46) Protection Negative-sequence overcurrent protection is included as a mode of the 50 (Instantan

vi 9424200995 Rev H BESTnet™Plus ...

68 9424200995 Rev H Figure 49. Sequence Components for an A-B Fault Coordination Settings The 51-x negative-sequence settings should be checked fo

9424200995 Rev H 69 Instantaneous Overcurrent (50) Protection Nine instantaneous overcurrent (50) elements monitor the current applied to the BE1-11t

70 9424200995 Rev H be specified on the System Parameters, Sensing Transformers screen in BESTCOMSPlus. Refer to the Configuration chapter for more

9424200995 Rev H 71 Table 23. Logic Inputs and Outputs Name Logic Function Purpose Block Input Disables the 50 function when true Trip Output True wh

72 9424200995 Rev H Instantaneous Overcurrent (50) Protection BE1-11t

9424200995 Rev H 73 Breaker Failure (50BF) Protection The breaker failure (50BF) element provides protection and security for the power system agains

74 9424200995 Rev H Trip The Trip output becomes true if sensed current exceeds the Phase or Ground Pickup setting and the delay time expires in th

9424200995 Rev H 75 Table 25. Logic Inputs and Outputs Name Logic Function Purpose Block Input Disables the 50BF function when true 50BFI Input Start

76 9424200995 Rev H Breaker Failure (50BF) Protection BE1-11t

9424200995 Rev H 77 Inverse Overcurrent (51) Protection Nine inverse overcurrent (51) elements monitor the current applied to the BE1-11t. An element

9424200995 Rev H vii Device Info ...

78 9424200995 Rev H Unbalance Mode Unbalance mode provides unbalanced current protection. Two methods are available to calculate unbalanced current

9424200995 Rev H 79 Parameter Description Explanation C Coefficient specific to selected curve Affects the multiple of PU where the curve would appro

80 9424200995 Rev H To use the 46 curve, the user should determine the K factor of the generator and the continuous (I2)2t rating of the generator

9424200995 Rev H 81    =    × 51    Equation 8. Restraint Pickup Level

82 9424200995 Rev H Note For single-phase sensing, the unmonitored phase is not restrained or controlled. These phases are marked in the table by n

9424200995 Rev H 83 Figure 57. Inverse Overcurrent Settings Screen Table 30. Operational Settings Setting Range Increment Unit of Measure Default

84 9424200995 Rev H Setting Range Increment Unit of Measure Default C Coefficient 0 to 1 0.00001 C Coefficient 1.00000 N Coefficient 0.5 to 2.5 0

9424200995 Rev H 85 Directional Overcurrent (67) Protection The 67 element provides directional supervision for the overcurrent tripping elements. Tw

86 9424200995 Rev H Negative-Sequence Polarization is used to test directionally for all fault types except three-phase faults. Negative-sequence b

9424200995 Rev H 87 Table 31. Polarization Settings Setting Range/Purpose Default 67N Polarization Method IG Use Zero Sequence Current Polarization I