7PG21 Solkor Rf Commissioning
©2012 Siemens Protection Devices Limited
Chapter 6 Page 2 of 21
Contents
1.
Introduction ........................................................................................................................................................ 3
2.
Solkor R/Rf Relay............................................................................................................................................... 3
2.1
Test equipment required ............................................................................................................................ 3
2.2
Test programme ........................................................................................................................................ 3
2.3
Precautions................................................................................................................................................ 3
2.4
Connection................................................................................................................................................. 4
2.5
Secondary wiring insulation-resistance test ............................................................................................... 4
2.6
Pilot Tests .................................................................................................................................................. 5
2.6.1
Insulation-resistance test ................................................................................................................ 5
2.6.2
Pilot-loop resistance tests............................................................................................................... 5
2.6.3
Pilot connection check .................................................................................................................... 6
2.7
Overall fault-setting tests ........................................................................................................................... 6
2.8
Circuit-breaker tripping tests ...................................................................................................................... 8
2.9
Stability Tests ............................................................................................................................................ 8
2.10
Alternative tests if primary injection equipment is not available ............................................................... 10
2.10.1
Check of fault settings by secondary injection .............................................................................. 10
2.10.2
Current transformer ratio and polarity tests .................................................................................. 10
2.11
Check of secondary connections ............................................................................................................. 11
2.12
Putting into service .................................................................................................................................. 12
2.13
Operation ................................................................................................................................................. 12
2.14
Maintenance ............................................................................................................................................ 12
2.15
Solkor RF Relay – Connections for use in Solkor R Mode....................................................................... 13
3.
Pilot Supervision Equipment ............................................................................................................................ 14
3.1
Introduction .............................................................................................................................................. 14
3.2
Description of equipment ......................................................................................................................... 14
3.3
Commissioning Tests............................................................................................................................... 14
3.3.1
Check of connections ................................................................................................................... 14
3.3.2
Secondary wiring insulation resistance tests ................................................................................ 14
3.3.3
Pilot tests ...................................................................................................................................... 15
3.3.4
C.T. ratio and polarity ................................................................................................................... 15
3.3.5
Overall fault setting tests .............................................................................................................. 15
3.3.6
Check of pilots supervision receive relay...................................................................................... 15
3.3.7
Test of guard relays (where fitted) ................................................................................................ 16
3.3.8
Test of pilot supervision supply failure relay (where fitted) ........................................................... 16
3.3.9
Overall tests of pilot supervision equipment ................................................................................. 16
3.3.10
Stability tests ................................................................................................................................ 17
3.3.11
Putting into service ....................................................................................................................... 17
3.3.12
Notes ............................................................................................................................................ 17
4.
Solkor Intertripping ........................................................................................................................................... 18
4.1
Introduction .............................................................................................................................................. 18
4.2
Description............................................................................................................................................... 18
4.2.1
Open circuiting of pilots - Solkor-R and Solkor-Rf ........................................................................ 18
4.2.2
DC injection intertripping............................................................................................................... 18
4.2.3
Injection intertripping - Solkor-R & Solkor-Rf ................................................................................ 19
4.3
Commissioning ........................................................................................................................................ 20
4.3.1
Description of operation of TEC relay........................................................................................... 20
4.3.2
Check on D.C/ A.C. inverter ......................................................................................................... 20
4.3.3
Putting into Service....................................................................................................................... 21
