Relay panel -------- Control panel ------ Fault Recorder CB operation FMK --- Function Protection Remarks as Trip CBF Ind./ Close operated CH Alarm CH Event Trip T.B expected Relay start Flag Relay Block Over current & BS Switch (in 50- 51/ 51/51N FR ---- ------ 50/62 CH Earth Fault / out ) 50N -51N 86BU Protection Tc1 & -------- X ----:--, [ ] Yes BF ---- Protection prot. "out" CH --- protection Op. Tc2 Operated Optd position - Inst. Over Switch (in 50- 51/50N - 50/50N ----- 50/62 CH current & earth / out ) 86BU protection Tc1 & -------- X ---:--,- [ ] yes BF ---- fault protection "in" protection op. Tc2 operated position 86CBF FR --- ----- CBF 50/62BF Bkr CH CBF protection 50/62BF prot. & -------- X ----:-- [ ] Yes 86B----A CH failure prot. ---- operated Opd Tc2 & ---- B - BB- ----- A Bus bar 50/62 86B- -A & -------- [ ] Yes protection BF Tc2 trip BB- ----- B Bus bar 50/62 86B ---2B -------- [ ] Yes Tc1 & protection BF Tc2 trip
Protection operated Relay panel -------- Control panel ------ Fault Recorder CB operation FMK --- Remarks Function as expected Trip Relay CBF start Ind./ Flag Relay CH Alarm CH Event Trip Close Block T.B 50- 51/ 50N -51N protection 86BU 50/62 BF 51/51N Protection Op. CH ---- Over current & Earth Fault Protection Operated FR ---- BS prot. Optd ------ Tc1 & Tc2 -------- X ----:--, Switch (in / out ) "out" position [ ] Yes CH 50- 51/50N protection 86BU 50/62 BF 50/50N protection op. CH ---- Inst. Over current & earth fault protection operated ----- Tc1 & Tc2 -------- X ---:--,- Switch (in / out ) "in" position [ ] yes 50/62BF Bkr failure prot. 86CBF 50/62BF CH ---- CBF protection operated FR --- ----- CBF prot. Opd & Tc2 -------- X ----:-- [ ] Yes 86B----A & ---- B CH BB- ----- A Bus bar protection trip 86B- -A 50/62 BF & Tc2 -------- [ ] Yes BB- ----- B Bus bar protection trip 86B ---2B 50/62 BF Tc1 & Tc2 -------- [ ] Yes --- - - -
prot._bus_section-_functional_test.docx