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  • Users: DEPU
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  1. DEPU

    Negative Seq. Relay setting for Xfmr

    How did you calculate your ratio? you must use L-N voltage for 13.8kv for line to ground fault the ratio=(LL)/(LN)
  2. DEPU

    Neutral Voltage Displacement Protection Relay Settings

    The neutral voltage displacement varies from a maximum value of 33kv for aground fault at relay location to a aminimum for a ground fault at the 33kv bus of the source station.However setting the relay to detect faults close to the source bus will necisitates large time delay since the relay...
  3. DEPU

    ABB new CT calculation formula

    smb1 please indicate which relay and formula you are talking about. thanks
  4. DEPU

    Earth/Ground Fault Protection

    Is there any reason why your system is the other way around? The usual connection for a transformer connected to generator is delta on the generator side & star on the load side.

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