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Brief the Various Routine Test of Power Transformer.?

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تم إضافة السؤال من قبل Biswajit Nayak-PMP-RMP-ACP-PBA-LSSGB , Construction Manager-E&I , Medgulf Construction Company
تاريخ النشر: 2017/09/06
Biswajit Nayak-PMP-RMP-ACP-PBA-LSSGB
من قبل Biswajit Nayak-PMP-RMP-ACP-PBA-LSSGB , Construction Manager-E&I , Medgulf Construction Company

 

All transformers are subjected to follow the Routine tests based on the operational performance requirement of individual unit, i.e. as listed below;

 

  • Insulation resistance Test.

  • Winding resistance Test.

  • Turns Ration / Voltage ratio Test

  • Polarity / Vector group Test.

  • No-load losses and current Test.

  • Short-circuit impedance and load loss Test.

  • Continuity Test. 

  • Magnetizing Current Test.

  • Magnetic Balance Test.

  • High Voltage Test.

  • Dielectric tests (Separate source AC voltage/ Induced overvoltage/ Lightning impulse tests).

  • Test on On-load tap changers, where appropriate.

 

Aneesh Shandilya
من قبل Aneesh Shandilya , Manager/ Lead Electrical , Orpic

Routine tests of transformer include

  1. Transformer winding resistance measurement.
  2. Transformer ratio test.
  3. Transformer vector group test.
  4. Measurement of impedance voltage/short circuit impedance (principal tap) and load loss (Short circuit test).
  5. Measurement of no load loss and current (Open circuit test)
  6. Measurement of insulation resistance.
  7. Dielectric tests of transformer.
  8. Tests on on-load tap-changer.
  9. Dissolved gas Analysis (DGA) for oil
  10. Current balance 

 

 

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