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power Transformer service

Transformer Service 

GK Expertise, is widely acknowledged as a trusted specialist in Power Transformer Repair & Services throughout India.. With years of experience and a dedicated team of engineers and technicians, we provide end-to-end solutions to restore transformer functionality, enhance performance, and extend asset life.

We specialize in servicing a wide range of power transformers used in utilities, industrial plants, substations, and infrastructure projects. Our transformer service portfolio includes on-site and in-shop support with minimal downtime and maximum reliability.

Our Transformer Services Include:

1. Transformer Overhauling
Comprehensive inspection and transformer repair and overhauling , including dismantling, cleaning, oil filtration, and replacement of worn-out parts to restore like-new condition.

2. Transformer Oil Filtration & Testing
Removal of moisture, gases, and impurities from transformer oil using advanced filtration machines. We also conduct oil testing (BDV, DGA, Furan, etc.) to assess insulation health.

3. Winding Repair & Rewinding
Expert repair or complete rewinding of HV and LV windings using high-grade copper conductors and insulation materials to meet original manufacturer specifications.

4. Buchholz Relay & OLTC Maintenance
Inspection, calibration, and maintenance of Buchholz relays and On Load Tap Changer (OLTC) systems to ensure safety and voltage regulation functionality.

5. Core & Coil Assembly Repair
Reconditioning or replacement of damaged core laminations and coil structures to eliminate hotspots, short circuits, or mechanical deformations.

6. Transformer Testing & Diagnostics
We carry out a full range of electrical diagnostic tests such as insulation resistance, turns ratio (TTR), winding resistance, leakage reactance, and partial discharge testing.

7. On-Site Emergency Repair Services
Fast-response mobile service teams available 24/7 for emergency repair and restoration of transformers in the field, ensuring reduced downtime.

8. Retrofit & Modernization
Upgrading outdated transformer protection and control systems with modern relays, sensors, and remote monitoring to enhance performance and safety.

9. Transportation & Erection Services
We provide end-to-end logistics, safe transportation, installation, and commissioning of power transformers at your site.

Transformer Service

Transformer Repair & Services :

  • Transformer Testing and Commissioning
  • Supply of Transformer Accessories and Spare Parts
  • Rewinding and reconditioning of transformers 
  • Fault diagnosis and solutions
  • Major repairs, including the replacement of the winding
  • Complete retrofitting of new windings
  • Condition Monitoring
  • Transformer maintenance (AMC)
  • Purify or replace the transformer oil.
  • Fix transformer oil leak arresting.
  • Open inspection of Core Coil Assembly (CCA)
  • Transformer Oil Passivation and Oil replacement
  • Replacement of Diaphragm on existing transformers.
  • Repair and replacement of faulty parts on transformers
  • Oil sampling and Oil analysis.
  • Transformer re-painting with epoxy coating
  • Replacement of air cell bags (Flexi separators) in conservator
  • Troubleshooting of RTCC panel parallel operation.
  • Repair and replacement of circuit tap switches.

Contact GK Expertise for all types of Transformer Services, including HV and LV transformers. Our expert technical team delivers top-quality service across India and internationally.