Alstom MiCOM P545 - Page 753

Commissioning P54x/EN CM/La4
MiCOM P543, P544, P545 & P546
CM) 10-5
CM
9.1 Remove local loopbacks 57
9.1.1 Direct fiber and C37.94 connections 57
9.1.1.1 Direct fiber connections 57
9.1.1.2 Fiber connections to C37.94 58
9.1.2 Communications using P591 interface units 58
9.1.3 Communications using P592 interface units 59
9.1.4 Communications using P593 interface units 59
9.2 Remote loopback removal 59
9.2.1 Remove loopbacks at remote terminal connected to channel 1 59
9.2.2 Remove loopbacks at remote terminal connected to channel 2 59
9.3 Verify communications between relays 59
9.3.1 Communications statistics and status – non GPS synchronised. 59
9.3.2 Communications statistics and status – GPS synchronised with P594 59
10. END-TO-END SCHEME TESTS 60
10.1 Signaling channel check 60
10.1.1 Aided scheme 1 60
10.1.1.1 Remote end preparation to observe channel arrival 60
10.1.1.2 Application of the test 60
10.1.1.3 Channel check in the opposite direction 61
10.1.2 Aided scheme 2 61
11. ON-LOAD CHECKS 62
11.1 Confirm current and voltage transformer wiring 62
11.1.1 Voltage connections 62
11.1.2 Current connections 63
11.2 Measure capacitive charging current 63
11.3 Check differential current 63
11.4 Check consistency of current transformer polarity 63
11.5 On load directional test 64
11.6 Signaling channel check (if not already completed) 64
12. FINAL CHECKS
65
13. COMMISSIONING TEST RECORD 66
14. SETTING RECORD 85
FIGURES
Figure 1 Auto-reclose default PSL mapping – P543 & P545 software versions 44 and 54 11
Figure 2 Auto-reclose default PSL mapping – P544 & P546 software versions 45 and 55 11
Figure 3 Rear terminal blocks on size 80TE case 16
Figure 4 Location of securing screws for heavy duty terminal blocks 17
Figure 5 Connection for bias characteristic testing 38
Figure 6 Four state impedances 51