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Unitech Transformers Africa Ltd, located in D3, Duldul Business Park, Nairobi, Kenya, offers Transformers (Oil cooled & Dry type) and HT Switchgear Panel repairing services. Our organization has well-experienced engineers, which help in repairing different types of Transformers and HT Switchgear Panels. We deal with repairs, reconditioning, and rewinding of all kinds of Distribution Transformers, Special Transformers, and HT Switchgear Panels, and we possess comprehensive manufacturing facilities.

Unitech Transformers Africa Ltd is manned by professional personnel for 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
  • » Core replacement
  • » Transformer up-rating
  • » Reconditioning of HT Switchgears
  • » Testing of Transformer and HT Switchgear
  • » Tank replacement
  • » Tap-changer Overhaul & Replacement
  • » Resin cast coils
  • » Reconditioning of Unitized Substations
  • » Replacement of HT Panel Enclosures & Spares

Factory Repairs:
When it is not possible to repair equipment in the field due to constraints such as space, environment, or lack of suitable resources, Unitech Transformers Africa Ltd offers a factory-based solution.

Unitech Transformers Africa Ltd has factory-based service support facilities which include:

  • » Modern machining and fabrication facilities
  • » Assembly workshops including cranes
  • » Testing facilities as per the latest Indian Standards (IS)
  • » Coil manufacturing and core manufacturing facilities
  • » Cast resin Dry-type coil manufacturing facilities
  • » HT switchgear repair facilities
  • » Workshops with cleaning facilities & vacuum drying ovens

Transformers, USS & HT Panels - Field Services
Field repairs:
To complement the inspection capabilities, we offer a wide range of repair services performed in the field where we have considerable experience working in vastly different environments, including both onshore and offshore installations. Our dedicated team of engineers can carry out repairs and upgrades on-site, saving you downtime costs, transport costs, 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 or top-up
  • » Tapping switch modification/replacement
  • » Gasket seal replacement
  • » Transformer relocation
  • » Transformer up-rating
  • » HT Switchgear Panel and VCB panels service
  • » Transformer oil filtration & BDV improvement
  • » Silica-gel breather replacement
  • » Painting of the Transformer & HT panels
  • » Supply & fixing of CT-PT unit

Annual Maintenance Contracts (AMC)
Unitech Transformers Africa Ltd can provide short and long-term maintenance contracts, tailored to meet our customers' specific needs.

These support operators by:

  • » Enabling continuous mode of operation. Long-term maintenance and health care contracts can be developed to suit the customer's needs.
  • » Designating inspection points, spare parts, and providing recommendations for continuous equipment performance.
  • » Assisting in reducing operating costs associated with unplanned outages as a result of equipment failures.

AMC Services offered include:

  • » Cast Resin Dry type Transformers
  • » Oil Cooled Transformers with or without OLTC
  • » Unitized Substations (USS)
  • » HT-LBS panels & VCB panels
  • » Multi-panel systems

Spares
Unitech Transformers Africa Ltd can offer spares and kits of parts in a very short time frame to ensure your Transformer and HT Switchgear are kept up and running.

Spare parts available (but not limited to) include:

  • » Bushings and supporting insulators
  • » Radiators
  • » Gaskets
  • » Tap switches
  • » Buchholz relays
  • » Valves & Silica gel breathers
  • » Load Break Switch (LBS)
  • » Relays and HT panel accessories
  • » Temperature Sensors & Scanners
  • » Used Transformers & Spare Transformers

Testing Facilities:

  • » Voltage ratio test - Ratio Meter
  • » Winding Resistance - Resistance Meter
  • » No Load Loss and Current - Dimmerstat & Digital Power Analyzer
  • » Insulation Resistance - Megger
  • » Separate Source Voltage Withstand Test - HV Test Kit
  • » Induced Over Voltage Test - Dimmerstat & Digital Power Analyzer
  • » Vector Group Test - Test Bench
  • » Load Loss & Percentage Impedance - Dimmerstat & Digital Power Analyzer

Used & Spare Transformers
In case of Transformer breakdown, we offer our Transformers for hire for temporary power distribution, with both short and long-term Transformer rentals.

We provide Oil Cooled Transformers, Dry type Cast Resin Transformers, HT Load Break Switch panels, and VCB Panels.