Reliable Solutions Across the Transformer Lifecycle, ensuring seamless performance from installation to refurbishment with enhanced efficiency, reduced downtime, and long-term asset reliability.
At DeVoltrans Private Limited, we offer a comprehensive suite of transformer services meticulously designed to ensure optimal performance, operational reliability, and extended lifespan of both power and distribution transformers. Leveraging deep technical expertise, advanced diagnostic capabilities, and extensive industry experience, we deliver precision-driven solutions that address the evolving needs of modern power infrastructure. Our services are tailored to support utilities, EPC contractors, and industrial clients, enabling them to maintain high efficiency, reduce operational risks, and achieve consistent performance across diverse applications. With a strong commitment to quality, safety, and global standards, we seamlessly serve clients across domestic and international markets, ensuring dependable and future-ready transformer operations.
From installation and precision testing to proactive maintenance and refurbishment, our end-to-end transformer services enhance efficiency, reduce downtime, and extend asset life reliably.
What We Offer
Repair, Refurbishment & Upgradation
Our expert team provides cost-effective repair and refurbishment solutions to restore transformers to optimal performance.
- On-site and workshop repairs
- Rewinding and insulation refurbishment
- Core and coil repairs
- Bushing replacement and retrofitting
- OLTC servicing and upgrades
- Capacity enhancement and life extension
- Modernization with improved insulation systems
- Leak detection and sealing solutions
- Magnetic core restacking and optimization
Installation & Commissioning
We provide expert supervision and turnkey support for the installation and commissioning of transformers, ensuring seamless integration and safe operation.
- Site inspection and readiness assessment
- Erection and assembly supervision
- Oil filling under vacuum and filtration
- Pre-commissioning checks and testing
- Functional verification and energization support
- Coordination with EPC contractors and utilities
- Protection system configuration and testing
- Remote monitoring system integration
- Final handover and documentation
Testing & Diagnostics
Our advanced testing services ensure transformer performance, safety, and compliance with international standards.
- Transformer Turns Ratio (TTR) Testing
- Winding Resistance Measurement
- Insulation Resistance (IR) and Polarization Index (PI) Tests
- Magnetic Balance Test
- Vector Group Verification
- Capacitance and Tan Delta Testing
- Partial Discharge Measurement
- Oil Quality and Dissolved Gas Analysis (DGA)
- Functional and Protection Checks
These diagnostics help detect potential issues early, ensuring reliable and uninterrupted operation.
Operation & Maintenance
We offer preventive and predictive maintenance services to enhance transformer efficiency and extend service life.
- Routine inspections and health assessments
- Preventive and predictive maintenance programs
- Condition monitoring and performance analysis
- Thermographic scanning and hotspot detection
- Bushing and OLTC maintenance
- Oil filtration and dehydration
- Spare parts supply and replacement
- Emergency breakdown support and troubleshooting
- Lifecycle management and audit reporting
How We Work
Enquiry & Specification
Understanding your technical requirements.
Engineering Design
Custom CAD & Electrical modeling.
Manufacturing & Testing
Assembly & NABL certified testing.
Delivery & Commissioning
Logistics, installation, and handover.
IS Certified
Indian Standard
IEC Certified
International Electrotechnical Commission
ANSI Certified
American National Standards Institute
NABL Lab
National Accreditation Board for Testing