Relay panel ------ Control panel ------- Function as Event Remarks expected Indication / flag relay CH Alarm Over current& earth fault R1 DC supply R1 DC supply fail CH -- protection faulty [ ] Yes MCB off 74R1 Over current& earth fault *DCDB MCB trip R1 DC supply fail CH DCDB- switch off - protection faulty alarm also come in [ ] Yes off common panel 74R1 TRS DC supply fail TRS DC supply CH --- Status indication supply fail [ ] Yes MCB off 74TRS *DCDB MCB trip TRS DC supply fail DCDB- switch off - CH --- Status indication supply fail alarm also come in [ ] Yes Off common panel 74TRS CBF DC supply CBF DC supply fail CH CBF protection faulty [ ] Yes pushbutton CBF DC supply MCB off in BB CBF DC supply fail CH --- CBF protection faulty [ ] Yes CHZ panel
Event Relay panel ------ Control panel ------- Remarks Function as expected Indication / flag relay CH Alarm R1 DC supply MCB off R1 DC supply fail CH -- Over current& earth fault protection faulty [ ] Yes 74R1 DCDB- switch off off R1 DC supply fail CH Over current& earth fault protection faulty *DCDB MCB trip alarm also come in common panel [ ] Yes 74R1 TRS DC supply MCB off TRS DC supply fail CH --- Status indication supply fail [ ] Yes 74TRS DCDB- switch off Off TRS DC supply fail CH --- Status indication supply fail *DCDB MCB trip alarm also come in common panel [ ] Yes 74TRS CBF DC supply pushbutton CBF DC supply fail CH CBF protection faulty [ ] Yes CBF DC supply MCB off in BB CHZ panel CBF DC supply fail CH --- CBF protection faulty [ ] Yes - -
prot._bus_section-_functional_test.docx