Power System Service

• GIS - Testing of MV and HV GIS

  Gas Insulated switchgears (33 KV, 66 KV,110,115, 132KV, 230 KV,380 KV). Manufactures (ABB , SIEMENS, ALSTOM ,HYUNDAI, HYOSUNG) The standard tests which we can perform are as follow :
  Timing test for CB and DS/ES.
  Contact resistance test.
  10 kv for the insulation of the earth switch.
  SF6 analyzing.
  Gas monitoring.
  VT/CT test (Ratio, burden, knee point , etc.)
  Primary injection test.
  Transformer stability.
  Low impedance busbar stability.
  High impedance busbar stability.
  LCC function test.
  

  SWGR

  LV/MV Switchgears (13.8KV & 33KV). The standard tests which we can perform are as follow :
  Timing test for CB.
  Contact resistance test.
  VT/CT test (Ratio, burden, knee
  point , etc.) Primary injection test.
  Transformer stability.
  Low impedance busbar stability.
  High impedance busbar stability.
  High voltage test.
  Function test.
  MTM scheme, ATS function test.
  

  Transformer

  All types of Power Transformers up to 500 MVA,dry type ,shunt reactors, grounding transformers.
  The standard tests which we can perform are as follow :
  Turn ratio test (TTR)
  Winding resistance test.
  Ac insulation capacitance (Tan Delta).
  Dc insulation resistance test.
  Short circuit impedance test.
  Vector group test.
  Pushing CT test.
  Oil breakdown test.
  Oil sample analysis .
  Transformer Oil Filtration & Oil Testing.
  Mechanical protection devices test.
  Fan test.
  OLTC function test.
  Oil pump function test.
  Frequency response test .
  

  Batteries and Battery Chargers

  The standard tests which we can perform are as follow :
  Battery discharging test.
  Battery charging time test.
  Battery charger function test .
  Battery charger charging current test.
  On load testing.