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MOON LIGHT



Routine Test


The following taste is carried out on all transitions. The numbers shown do not necessary indicate the sequence in which the test are carried out. All tests are in accordance with the latest revision of IS 2026 :
  • Resistance measurement of HV windings position.
  • Resistance measurement of LV windings.
  • Ratio test on all tap connections.
  • Polarity & vector group tests.
  • No load loss at rated current.
  • Excitation current measurement at rated current, normal tap.
  • Impedance & load loss measurement at rated current.
  • Separate source voltage withstand test on HV & LV windings.
  • Induced over voltage withstand test.
  • Measurement of insulation resistance.
  • Measurement of breakdown voltage of oil.
  • Measurement of acidity value of oil.