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  • Users: anandmoh
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  1. anandmoh

    Transformer

    dear fellow members, what could be the reasons for arcing across the transformer top cover flange whenever the transformer is back charged from the 220kV side.This is a Generator step up unit connected to a Gas turbine Generator thro a GCB.During start ups the auxiliary board is energised thro...
  2. anandmoh

    Transformer

    As per my understanding tandelta(power factor) tests for Transformer windings are not included in the IEC or BS. Should these be included for acceptance of a new transformer? What values of tandelta for CH,CHL,CL can be acceptable? In one of our 200MVA single phase 21/400 kV Generator step up...

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