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Our Services

UNITECH possesses comprehensive manufacturing facilities manned by professional personnelfor,repairing and overhauling equipment.These facilities are supported by technical and project functions to achieve complete customer satisfaction

Typical Transformer factory repair services offered include ;

  • Winding rewinding
  • Tank replacement
  • Core replacement
  • Tap-changer overhaul
  • Transformer up rating
  • Resin cast coils
  • Reconditioning of HT switchgears
  • Reconditioning of unitized substations
  • Testing of Transformer and HT switchgear
  • Enclosures, HT-HRC fuse etc. replacement

Factory Repairs

When it is possible to repair equipment in the field due to constrains such as space, environment or lack of suitable resources then UNITECH offer a factory-based solution

UNITECH has factory-based service support facilities which include:

  • Workshops with cleaning facilities and drying ovens
  • Modern machining and fabrication facilities
  • Assembly workshops including cranes
  • Testing facilities as per Indian standards (IS)
  • Coil manufacturing and core manufacturing facilities
  • Cast resin dry-type coil manufacturing facilities.

Transformer, USS and HT Panels – Field services Field repair

To complement the inspection capabilities, we can offer a wide range of repair services. These are performed in the field where we have considerable experience working in vastly differing environments, including both onshore and offshore installations.
Our dedicated team of engineers can carry out repairs and upgrades on site, saving you downtime casts, transport casts and increasing the operational lifetime of your transformer.

Typical field repair services offered include:

  • Transformer refurbishment
  • Radiator repair or replacement
  • Cooler equipment replacement
  • Cable box replacement
  • Oil replacement
  • Tapping switch modification /replacement
  • Gasket seal replacement
  • Transformer relocation
  • Transformer up-rating
  • HT switch gear panel and VCB panels

Annual Maintenance contracts

UNITECH can provide short and long term maintenance contracts, tailored to our customer’s specific needs.

These support operators by:

  • Enabling continuous mode of operation. The use of long term maintenance and health care contracts may be developed to suit the customer’s needs.
  • Enabling designation of inspection points, spare parts and recommendations forcontinued equipment performance
  • Assist in reducing operating costs associated with unplanned outages as a result equipment failures.

AMC Service offered include

Cast resin dry type transformer

  • Oil cooled transformers with or without OLTC
  • Unitized substations
  • HT-LBS panels & VCB Panels
  • Multi Panel system


UNITECH can offer spares and kits of parts in a very short time frame so that your transformer and HT Switch gear are kept up and running.
Spare parts that are available but not limited to are as follows:-

  • Bushings and supporting insulators
  • Radiators
  • Gaskets
  • Tap Switches
  • Buchholz relays
  • Valves & Silica gel breather
  • Load break switch
  • Relays and HT panel accessories
  • Temperature sensors & scanners

Our Service Network in Kerala
  • Trivandrum
  • Ernakulum
  • Calicut
  • Kannur / Kasaragod

Testing Facilities:-

  • Voltage Ratio Test – Ratio meter
  • Winding resistance – Resistance meter
  • No load loss and current – Dimmerstat& Digital power analyzer
  • Impedance voltage & Load loss- Dimmerstat 7 Digital power analyzer
  • Insulation resistance-Megger
  • Separate Source voltage with stand test-HV Test kit
  • Induced over voltage Test- Dimmerstat& Digital power analyzer
  • Vector group Test

Used & Spare Transformer

In case of Transformer breakdown, we offer our Transformers for hire for temporary power distribution. Short and long term Transformer rentals. Oil cooled Transformers dry type cast resin transformer, HT Load break switch panels and VCB panels.