Our Services

Our Services

The success of any power project is attributable to the effective & quality testing of the entire project. It is because the time and cost factors have a significant role in these projects and the success relies upon the optimum utilization of the resources without causing any safety hazards.

We at mg are committed to provide a strategically planned process for the testing and commissioning of the power projects without any delay or additional cost. To accomplish the task, we are equipped with test instruments which are best in accuracy class, reliability, repeatability.

Power Transformer Testing

Pre-Erection Tests

  • Tan-Delta test of bushing.
  • Turret CT testing, ratio of turret CT, polarity of turret CT.
  • Winding resistance of turret CT.
  • Insulation resistance test of turret CT & core frame.

Pre-Commissioning Tests

  • Sweep frequency response analyzer (SFRA) test. Tan-Delta test of bushing & winding.
  • Magnetic core balance test.
  • Magnetic current test.
  • Short circuit impedance test. vector group test.
  • Winding resistance measurement (WRM) test, Voltage ratio test.
  • Insulation resistance & polarization index test.

Switchyard's Equipments upto 765Kv

Vacuum/SF6 Circuit Breaker Testing.

  • DCRM (dynamic contact resistance measurement).
  • Timing test.
  • Contact resistance measurement.
  • Insulation resistance test.

Current Transformer

  • Tan-Delta test.
  • Ratio test, Polarity test, Continuity test.
  • Winding resistance test. Insulation resistance.

CVT - Capacitor Voltage Transformer

  • Tan-Delta test.
  • Ratio test, Polarity test, Continuity test.
  • Winding resistance test.
  • Insulation Resistance test.

Potential Transformer

  • Ratio test, Polarity test, Continuity test.
  • Winding resistance Test.
  • Insulation Resistance Test.

Lightning Arrestor

  • Tan-Delta test.
  • Leakage current measurement.
  • Insulation resistance test.

Isolators

  • Contact resistance measurement.
  • Insulation resistance rest.

33Kv HT Panels

  • Ratio test of CT & PT, Polarity test, Continuity test, Winding resistance test, Timing test of CB.
  • Contact resistance measurement CB.
  • Insulation resistance rest.
  • Relay configuration checks.

HT & LT Cables

  • Hi-Pot test, VLF test.
  • Partial discharge test.
  • Insulation resistance test.

CRP Panels

  • Relay configuration checks.
  • Scheme checks.
  • Insulation resistance test.

Generators & Motors

  • Tan-Delta test.
  • Winding resistance test.
  • RSO of rotor.
  • Partial discharge (PD).
  • Insulation resistance test.

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