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2.45.6
Setting Hints ....................................................................................................................... 295
2.45.6.1 Settings for Oscillographic Fault Recording ....................................................................... 296
2.45.6.2 Information for the Oscillographic Fault Recording ............................................................ 296
2.45.6.3 Information for Minimum and Maximum Values ................................................................. 297
2.46
Breaker Control .................................................................................................................. 298
2.46.1
Types of Commands .......................................................................................................... 299
2.46.2
Steps in the Command Sequence...................................................................................... 299
2.46.3
Interlocking ......................................................................................................................... 300
2.46.3.1 Interlocked / Non-Interlocked Switching ............................................................................. 301
2.46.4
Recording and Acknowledgement of Commands .............................................................. 308
3
Installation and Commissioning .................................................................................................... 309
3.1
Installation and Connections .............................................................................................. 310
3.1.1
Installation .......................................................................................................................... 310
3.1.2
Connections ....................................................................................................................... 314
3.1.3
Hardware Modifications ...................................................................................................... 316
3.1.3.1
General............................................................................................................................... 316
3.1.3.2
Disassembling the Device .................................................................................................. 318
3.1.3.3
Switching Elements on Printed Circuit Boards ................................................................... 321
3.1.3.4
Interface Modules ............................................................................................................... 332
3.1.3.5
To Reassemble the Device: ............................................................................................... 335
3.2
Checking Connections and System (Plant) Integration ...................................................... 336
3.2.1
Checking the Data Connections of Serial Interfaces .......................................................... 336
3.2.2
Checking the Device Connections...................................................................................... 338
3.2.3
Checking the Integration in the Plant.................................................................................. 343
3.2.3.1
General Hints ..................................................................................................................... 343
3.3
Commissioning ................................................................................................................... 346
3.3.1
Test Mode and Blocking Data Transmission ...................................................................... 347
3.3.2
Testing the System Interface.............................................................................................. 347
3.3.3
Checking the Binary Inputs and Outputs ............................................................................ 349
3.3.4
Testing the Breaker Failure Scheme .................................................................................. 351
3.3.5
Checking the Analog Outputs............................................................................................. 352
3.3.6
Testing User-Defined Functions (CFC) .............................................................................. 352
3.3.7
Checking the Rotor Earth Fault Protection at Stand-Still.................................................... 352
3.3.7.1
Rotor Earth Fault Protection (R, fn) .................................................................................... 352
3.3.7.2
Rotor Earth Fault Protection (1 to 3 Hz) ............................................................................. 354
3.3.8
Checking the 100-% Stator Earth Fault Protection ............................................................ 356
3.3.9
Checking the DC Voltage/DC Current Circuit..................................................................... 358
3.3.10
Trip/Close Tests for Primary Equipment............................................................................. 359
3.4
Primary Commissioning Tests with the Generator ............................................................. 360
3.4.1
General Hints ..................................................................................................................... 360
3.4.2
Checking the Current Circuits............................................................................................. 364
3.4.3
Checking the Differential Protection ................................................................................... 366
3.4.4
Checking the Earth Current Differential Protection............................................................. 368
3.4.5
Checking the Voltage Circuits ............................................................................................ 373
7UM62 Manual
C53000-G1176-C149-3
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