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Can we operate a DG Set in paralell with Transformer ?
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Answer Posted / a. venkatesh
All the power source it may be transformer or Alternator
(DG-DC power generator).
For parellel operation synchronisation is important. I.E
Voltage level, frequency, phase angle should be equal for
the both sources.
For checking the synchronisation previously DARK LAMP
METHOD was used. Now a days special relays used for this
purpose. Relays MES 120(Schneider), 7UT relays in Siemens.
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