Siemens siprotec 7SA6 - Page 15

xv7SA6 Manual
C53000-G1176-C156-2
8 Installation and Commissioning ..................................................................................................... 8-1
8.1 Mounting and Connections.................................................................................................. 8-2
8.1.1 Installation ........................................................................................................................... 8-2
8.1.2 Termination variants............................................................................................................ 8-9
8.1.3 Hardware Modifications..................................................................................................... 8-15
8.1.3.1 General.............................................................................................................................. 8-15
8.1.3.2 Disassembly of the Device ................................................................................................ 8-16
8.1.3.3 Jumper Settings on Printed Circuit Boards........................................................................ 8-21
8.1.3.4 Interface Modules.............................................................................................................. 8-36
8.1.3.5 Reassembly of Device.......................................................................................................8-40
8.2 Checking the Connections................................................................................................. 8-41
8.2.1 Data Connections.............................................................................................................. 8-41
8.2.2 Checking the Protection Data Communication.................................................................. 8-44
8.2.3 Checking Power Plant Connections.................................................................................. 8-45
8.3 Commissioning.................................................................................................................. 8-47
8.3.1 Testing mode and transmission blocking .......................................................................... 8-48
8.3.2 Checking the System (SCADA) Interface.......................................................................... 8-48
8.3.3 Checking the Binary Inputs and Outputs........................................................................... 8-50
8.3.4 Checking Analog Outputs.................................................................................................. 8-52
8.3.5 Checking the Communication Topology............................................................................ 8-53
8.3.6 Tests for the Circuit Breaker Failure Protection................................................................. 8-56
8.3.7 Current, Voltage, and Phase Rotation Checks.................................................................. 8-59
8.3.8 Directional Checks with Load Current ............................................................................... 8-60
8.3.9 Polarity check for the voltage input U
4
.............................................................................. 8-61
8.3.10 Earth Fault Check in a Non-earthed System..................................................................... 8-63
8.3.11 Polarity Check for the Current Measuring Input I
4
............................................................. 8-64
8.3.12 Measuring the operating time of the circuit breaker .......................................................... 8-68
8.3.13 Testing of the Teleprotection System................................................................................ 8-69
8.3.13.1 Teleprotection with Distance Protection ............................................................................ 8-69
8.3.13.2 Teleprotection with Earth Fault Protection......................................................................... 8-72
8.3.13.3 Transfer Trip Signal Transmission for Breaker Failure Protection and/or Stub Protection 8-74
8.3.13.4 Signal Transmission for Intertripping and Direct Transfer Tripping ................................... 8-74
8.3.14 Testing User-Defined Functions........................................................................................ 8-74
8.3.15 Trip and Close Test with the Circuit Breaker..................................................................... 8-75
8.3.16 Switching Check for the Configured Operating Devices.................................................... 8-75
8.3.17 Triggering Oscillographic Recordings................................................................................ 8-75
8.4 Final Preparation of the Device ......................................................................................... 8-77
9 Routine Checks and Maintenance .................................................................................................. 9-1
9.1 General................................................................................................................................ 9-2
9.2 Routine Checks ................................................................................................................... 9-3