Technical Services
Comprehensive life-cycle support to ensure the optimal performance, reliability, and longevity of your power transformers, turbines, generators and motors.
Operations & Maintenance (O&M) Services – Power Plants
GTA provides comprehensive Operations & Maintenance services for Gas, Hydro, Solar, and Battery Energy Storage Systems (BESS) to ensure safe, efficient, and reliable power generation throughout the plant lifecycle. Our O&M scope covers day‑to‑day operation, scheduled and unscheduled maintenance, performance optimization, outage management, and life‑extension strategies. By combining experienced plant personnel, robust maintenance practices, and data‑driven decision-making, we help plant owners maximize availability, efficiency, and long-term asset value.
Mobile Workshop & On‑Site Engineering Services
GTA’s Mobile Workshop is designed to deliver on-site preventive maintenance, erection supervision, testing, commissioning, and minor fault rectification for transformers, generators, turbines, and associated balance-of-plant equipment. Our fully equipped mobile units and rapid-response engineering teams eliminate the need for equipment transportation, enabling faster restoration and reduced downtime. Services include mechanical inspections, clamping checks, winding assessments, alignment verification, harmonics evaluation, and localized repairs—all carried out directly at power plants and substations with minimal operational disruption.
Condition Monitoring & Predictive Diagnostics
GTA offers advanced Condition Monitoring and Predictive Maintenance solutions to detect early-stage deterioration and prevent forced outages in transformers, turbines, and rotating equipment. Through continuous or periodic diagnostics, we assess equipment health trends, insulation integrity, thermal behavior, and mechanical stability well before failures occur. Our scope includes Dissolved Gas Analysis (DGA), Capacitance & Tan Delta testing, Partial Discharge evaluation, and Surge Comparison testing, enabling informed maintenance planning and compliance with IEC standards for long-term reliability.
Advanced Reverse Engineering
At GTA Engineering, we are dedicated to extending the lifecycle and enhancing the performance of critical power infrastructure. Our strategic focus on Reverse Engineering Technology (RET) allows us to go beyond standard repairs. By investing heavily in advanced diagnostics, our engineering teams successfully identify root-cause failures and completely redesign internal components. We deliver state-of-the-art solutions for insulation upgrades, mechanical clamping improvements, and capacity up-rating, ultimately saving our clients the exorbitant cost of complete equipment replacement.
State-of-the-Art Testing Facilities
GTA Engineering operates fully equipped, state-of-the-art testing facilities dedicated to the precise diagnosis of defective transformers, generators, and turbines. Operating under ISO 9001, 14001, and 45001 certifications, our engineering team utilizes these laboratories to pinpoint root-cause failures before initiating any reverse engineering protocols.
To ensure complete reliability and compliance with IEC standards, all refurbished equipment undergoes rigorous post-repair testing. Our comprehensive diagnostic capabilities include:
- Dissolved Gas Analysis & Oil BDV Testing
- Capacitance & Tan Delta Tests
- High Voltage & Surge Comparison Tests
- Load Loss, No Load, & Impedance Testing
- Insulation Resistance & Polarization Index (PI) Tests
- Winding Resistance & Vector Grouping Verification
By validating every repair through this uncompromising testing framework, GTA ensures that all critical power infrastructure is restored to peak efficiency and absolute reliability.
World-Class Re-Engineering Facility
