Areva MiCOM P341 - Page 90

P341/EN O/B11 Operation Guide
CHAPTER 3 Commissioning and
Page 36/80 Maintenance
MiCOM P341
4. PRODUCT CHECKS
4.1 With the relay de-energised
4.1.1 Visual inspection
Relay damaged?
Yes/No*
Rating information correct for installation?
Yes/No*
Case earth installed?
Yes/No*
4.1.2
Current transformer shorting contacts close?
Yes/No/Not checked*
4.1.3
Insulation resistance >100MΩ at 500V dc
Yes/No/Not tested*
4.1.4 External wiring
Wiring checked against diagram?
Yes/No*
Test block connections checked?
Yes/No/na*
4.1.5 Watchdog contacts (auxiliary supply off)
Terminals 11 and 12
Contact closed?
Yes/No*
Contact resistance
____Ω/Not measured*
Terminals 13 and 14
Contact open?
Yes/No*
4.1.6 Measured auxiliary supply ______V ac/dc*
4.2 With the relay energised
4.2.1 Watchdog contacts (auxiliary supply on)
Terminals 11 and 12
Contact open?
Yes/No*
Terminals 13 and 14
Contact closed?
Yes/No*
Contact resistance
____Ω/Not measured*
4.2.2 Date and time
Clock set to local time?
Yes/No*
Time maintained when auxiliary supply removed?
Yes/No*