Relay panel ----- Control panel --------- FMK---- Function as Event Remarks expected Indication/flag relay CH Alarm T.B 74R1 Breaking path of Over current& earth CH --- X ---:--,-- [ ] Yes supervision circuit R1 R1 DC supply fail Fault protection faulty 74TRS Breaking path of CH --- Control supply fail X ---:--,-- [ ] Yes supervision circuit TRS TRS DC supply fail 74BF Breaking path of CH CBF protection faulty X ---:--,-- [ ] Yes supervision circuit CBF CBF dc supply fail Breaking path of sup ckt CH 74IC Control supply fail X ---:--,-- [ ] Yes IND supply 74 Tc1 Breaking path of CH --- Trip circuit-1 faulty X ---:--,-- [ ] Yes supervision circuit TC1 Trip ckt-1 faulty Breaking path of 74 Tc2 CH Trip circuit-2 faulty X ---:--,-- [ ] Yes supervision circuit TC2 Trip ckt-2 faulty CH Over current earth 51/51N faulty MCB off X ---:--,-- [ ] Yes fault protection faulty Synchro check relay Ch Synchro check relay X ---:--,-- [ ] yes faulty faulty
Event Relay panel ----- Control panel --------- FMK---- Remarks Function as expected Indication/flag relay CH Alarm T.B Breaking path of supervision circuit R1 74R1 CH --- Over current& earth Fault protection faulty X ---:--,-- [ ] Yes R1 DC supply fail Breaking path of supervision circuit TRS 74TRS CH --- Control supply fail X ---:--,-- [ ] Yes TRS DC supply fail Breaking path of supervision circuit CBF 74BF CH CBF protection faulty X ---:--,-- [ ] Yes CBF dc supply fail Breaking path of sup ckt IND supply 74IC CH Control supply fail X ---:--,-- [ ] Yes Breaking path of supervision circuit TC1 74 Tc1 CH Trip circuit-1 faulty X ---:--,-- [ ] Yes Trip ckt-1 faulty Breaking path of supervision circuit TC2 74 Tc2 CH Trip circuit-2 faulty X ---:--,-- [ ] Yes Trip ckt-2 faulty 51/51N faulty MCB off CH Over current earth fault protection faulty X ---:--,-- [ ] Yes Synchro check relay faulty Ch Synchro check relay faulty X ---:--,-- [ ] yes ---
prot._bus_section-_functional_test.docx