UnderVoltage Relay (27) Shall be trip the CB or just alarm only?
UnderVoltage Relay (27) Shall be trip the CB or just alarm only?
(OP)
Hi,
Please advise when undervoltage Relay (27) Shall be trip the CB or just alarm only?
What is need to concern?
Is there any criteria for following?
Thanks.
ciy
Please advise when undervoltage Relay (27) Shall be trip the CB or just alarm only?
What is need to concern?
Is there any criteria for following?
Thanks.
ciy






RE: UnderVoltage Relay (27) Shall be trip the CB or just alarm only?
RE: UnderVoltage Relay (27) Shall be trip the CB or just alarm only?
Of course in ATS
RE: UnderVoltage Relay (27) Shall be trip the CB or just alarm only?
RE: UnderVoltage Relay (27) Shall be trip the CB or just alarm only?
For consumer side, essential protections are current based. Undervoltage is mainly used for load schedding issues.
RE: UnderVoltage Relay (27) Shall be trip the CB or just alarm only?
So, we set our UV's at 90% with a time delay of 10 sec. to avoid nuisance tripping.
RE: UnderVoltage Relay (27) Shall be trip the CB or just alarm only?
But I digress. This is probably not the application you are concerned with.
RE: UnderVoltage Relay (27) Shall be trip the CB or just alarm only?
Thanks for your reply.
Is there any guideline for reference?
ciy
RE: UnderVoltage Relay (27) Shall be trip the CB or just alarm only?
RE: UnderVoltage Relay (27) Shall be trip the CB or just alarm only?
Application of under voltage relay shall be driven by the power system and the scope of work.
For the generic question, generic answer !!!
RE: UnderVoltage Relay (27) Shall be trip the CB or just alarm only?
Thanks your reply.