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  • Users: JetsKnicksYankees
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  1. JetsKnicksYankees

    Breaker Trip Coil monitor

    We have a high voltage breaker with 2 trip coil per phase. We want to monitor the status of this trip coil and we installed TIR from USI in series with these trip coils. The TIRs are activated by sensing the presence of current in the trip coil. Question is whether the series connected relay...
  2. JetsKnicksYankees

    Bus vs Line

    Quick Q. What is the difference between Bus and Line? Would Bus be the transmission line entering a substation/switchyard and Line be the lower voltage cable inside the substation/yard?

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