Siemens SIPROTEC 7UM62, Manual

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Table of Contents
xi
7UM62 Manual
C53000-G1176-C149-3
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