A. Services / Maintenance & Recondition of Transformer, Low Voltage – High Voltage 400V - 500KV,

    as below:     

- Test DGA

- Oil analysis transformer

- Test dielectric strength oil transformer (Breakdown Voltage Test)

- Purification / Filtering oil transformer

- Reclamation oil transformer

- Change new oil transformer

- Repair / change seal / packing bushing transformer, cover & DGPT

- Repair / Replacement Pressure Relief Device (PRD)

- Procurement, servicing, installation and replacement:

  * Breather

  * Atmoseal bag (at conservator tank)

  * Bushing HV & LV

  * Accessories transformer: DGPT, Bucholz Relay, meter oil level, meter oil temperature,

    meter winding transformer, etc.

- Infrared thermograph

B. Assessment of Transformer, Low Voltage – High Voltage 400V - 500KV, as below:

 - Test DGA

 - Oil Analysis transformer

 - Test dielectric strength oil transformer (Breakdown Voltage Test)

 - Measurement insulation Resistance (Merger)

 - Measurement winding resistance

 - TTR

 - Measurement temperature

 - Polarization index (PI)

 - Test Tangent Delta

 - Test SFRA

 - Infrared Thermograph

 C. Replacement Oil Temperatur Indicator (OTI) and Winding Temperatur Indicator (WTI)