Relay panel ----- Control panel --------- FMK---- Function as Event Remarks Indication/flag relay Channel Alarm T.B expected Breaking path of supervision 74R1 Transformer main CH --- X ---:--,- [ ] Yes circuit R1 Protection faulty R1 DC supply fail 74 R2 Breaking path of supervision Transformer back up CH ---- X ---:--,- [ ] Yes circuit R2 R2 DC supply fail protection faulty Breaking path of supervision 74 S2 Transformer mech Ch ---- X ---:--,- [ ] yes circuit s2 protection faulty S2 DC supply fail 74 BF Breaking path of supervision Ch ----- CBF protection faulty X ---:--,- [ ] yes circuit CBF CBF supply fail 74TRS Breaking path of supervision Ch ----- Control supply fail X ---:--,-- [ ] yes circuit trs supply fail 74TC1 Breaking path of supervision Ch ----- Trip circuit-1 faulty X ---:--,-- [ ] yes circuit tc1 Trip ckt-1 faulty Breaking path of supervision 74TC2 Ch ------ Trip circuit-2 faulty X ---:--,-- [ ] yes circuit tc2 Trip ckt-2 faulty
Event Relay panel ----- Control panel --------- FMK---- Remarks Function as expected Indication/flag relay Channel Alarm T.B Breaking path of supervision circuit R1 74R1 CH --- Transformer main Protection faulty X ---:--,- [ ] Yes R1 DC supply fail Breaking path of supervision circuit R2 74 R2 CH ---- Transformer back up protection faulty X ---:--,- [ ] Yes R2 DC supply fail Breaking path of supervision circuit s2 74 S2 Ch ---- Transformer mech protection faulty X ---:--,- [ ] yes S2 DC supply fail Breaking path of supervision circuit CBF 74 BF Ch ----- CBF protection faulty X ---:--,- [ ] yes CBF supply fail Breaking path of supervision circuit trs 74TRS Ch ----- Control supply fail X ---:--,-- [ ] yes supply fail Breaking path of supervision circuit tc1 74TC1 Ch ----- Trip circuit-1 faulty X ---:--,-- [ ] yes Trip ckt-1 faulty Breaking path of supervision circuit tc2 74TC2 Ch ------ Trip circuit-2 faulty X ---:--,-- [ ] yes Trip ckt-2 faulty
prot._tr_-_functional_test.docx