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Saturday, June 4, 2016

Non-Tripping Operation of a 69kV Power Crcuit Breaker

I posted a problem in the REE forum regarding the non-operation of a 69kV power circuit breaker. Here is the discussions made about the problem and what really happened on the breaker as found by maintenance group.

ACCESS OF FAULT DATA: NARI NR PCS-974 (Power Transformer Non-Electrical Protections Relay)

Below is the procedure in the access of fault indications of the NR NARI Transformer Non-Electrical Protection Relay PCS-974. This post only discusses the access of relay indications and readings especially during faults or retrieval of data.


ACCESS OF FAULT DATA: NARI NR PCS-978 (for Power Transformer Electrical Protection)

Below is the procedure in the access of fault indications of the NR NARI Transformer Electrical Protection Relay PCS-978. This post only discusses the access of relay indications and readings especially during faults or retrieval of data.