Alstom MiCOM P546 - Page 826

P54x/EN CM/La4 Commissioning
(CM) 10-78 MiCOM P543, P544, P545 & P546
CM
*Delete as appropriate
8.4.4 Distance protection scheme testing
8.4.4.1 Scheme trip zone 1 extension scheme
No trip for fault with reset Z1X energized Yes*
No*
Trip time with reset Z1X de-energized ms
8.4.4.2 Scheme trip permissive schemes (PUR/POR)
Trip time with signal receive energized ms
8.4.4.3 Scheme trip blocking scheme
No trip for fault with signal receive energized Yes* No*
Trip time with signal receive de-energized ms
8.4.4.4 Signal send test for permissive schemes
Signal send operate time ms
8.4.4.5 Signal send blocking schemes
Signal send operate time ms
8.4.5 Scheme timer settings
Visual inspection
Time delays settings are correct? Yes*
No*
All disabled elements which were noted/circled
previously are restored?
Yes* No*
8.4.6 Delta directional comparison
Elements to be re-enabled after testing (circle
any that have been temporarily disabled)
Current diff
Distance
Earth fault
Overcurrent
DEF
CB fail
Na*
8.4.7.1
Directional comparison protection Phase A
contact routing OK?
Yes* No*
Directional comparison protection Phase A trip
time
ms
8.4.7.2
Directional comparison protection Phase B
contact routing OK?
Yes* No*
Directional comparison protection Phase B trip
time
ms
8.4.7.3
Directional comparison protection Phase C
contact routing OK?
Yes* No*
Directional comparison protection phase C trip
time
ms
Average trip time, phases A, B and C ms