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  • Users: TONY2023
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  1. TONY2023

    GENERATOR DIFFERENTIAL CURRENT PROTECTION TRIP ISSUE

    Hi All, I need some help. I have a genset that has a differential protection scheme as per attached one line. We have a set of CTs on the bus side with Ansi or American style current transformers, and a second set of CTs that are IEC or European Bar style CT. In an ideal situation, two sets...
  2. TONY2023

    GENSET TRIPPED WHEN BROUGHT ON SECOND COMPRESSOR

    Hi All, I have a question. We have a 2.5MW, 13.8KV genset to provide power to two compressors. Each compressor is rated for 600HP, 460V. There is a 1500KW step down transformer between genset and compressors. The genset started up and provided power to first compressor without any issue or...
  3. TONY2023

    What possible root cause Phase C current spiked two time of Phase A & B current?

    Hi All, I would like to get your input on this topic. We had two gensets were running in paralleling to provide about 4MW, 13.8KV to 5000hp motor and pump. While the system was running, the switchgear breaker got tripped for fault current on Phase C when I reviewed the Event file from genset...

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