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
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