Areva MiCOM P341, Operation Manual

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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 >100M Ω 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*