Leading Power Transformer manufacturer based in Mumbai, India. Product range up to 250 MVA, 400 kV.
Two Business Verticals
Transformer Manufacturing
Custom-built power and distribution transformers engineered for peak efficiency and grid reliability.
- • Power Transformers up to 400 kV
- • Special & Inverter Duty Transformers
- • Ester-filled Fire-safe Transformers
- • AluCop & Aluminum up to 100 MVA
Repair & Life Augmentation
Comprehensive repair, retrofit, and capacity enhancements to extend asset lifespan and performance.
- • Repair & Retrofit up to 400 kV
- • MVA Rating Upgrades
- • Voltage Ratio & Vector Group Conversion
- • Efficiency Improvement (Loss Reduction)
Built for Every Demand
Power Transformers
DeVoltrans Private Limited manufactures high-capacity power transformers designed for reliable and efficient operation across national and regional transmission networks. Engineered using advanced design methodologies and premium-grade materials, our transformers deliver superior electrical performance, high thermal stability, and robust mechanical strength. Each unit is customized to meet specific project requirements and complies with internationally recognized standards. Designed for long service life and dependable performance under demanding grid conditions, DeVoltrans transformers are ideal for utilities, power generation plants, substations, and large-scale industrial applications.
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Auto Transformers
DeVoltrans Private Limited manufactures high-performance Interconnecting Transformers (ICTs) designed to facilitate efficient and reliable power transfer between networks operating at different voltage levels. These transformers play a critical role in ensuring grid stability, optimal load sharing, and seamless integration of regional and national transmission systems. Engineered for superior electrical performance and mechanical robustness, our ICTs comply with international standards and are tailored to meet the specific requirements of utilities and transmission operators.
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Generator Transformers
DeVoltrans Private Limited manufactures high-performance Generator Step-Up (GSU) Transformers, designed to efficiently step up voltage from power generators to transmission levels. Built for reliability and operational stability, these transformers play a critical role in connecting power plants to the grid. Our GSU transformers are engineered to withstand thermal, electrical, and mechanical stresses associated with power generation systems, ensuring dependable performance and long service life.
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Special Transformers
DeVoltrans Private Limited offers a comprehensive range of Special Transformers engineered for applications where conventional oil-filled transformers are insufficient. Designed to address unique electrical, thermal, and mechanical challenges, each unit is custom-built to meet specific operational requirements. Our special transformers are developed to withstand harmonic distortions, fluctuating loads, and demanding environmental conditions, ensuring optimal performance, durability, and efficiency across critical industrial and infrastructure applications.
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Ester-Filled Transformers
DeVoltrans Private Limited manufactures advanced Ester-Filled Transformers designed to deliver superior fire safety, environmental sustainability, and reliable performance for modern power infrastructure. Unlike conventional mineral oil transformers, ester-filled transformers use biodegradable and high fire-point insulating fluids, making them ideal for installations in environmentally sensitive, densely populated, and high-risk locations. Engineered for enhanced thermal performance and extended insulation life, these transformers provide improved overload capability, reduced environmental impact, and greater operational safety. Designed in compliance with international standards, DeVoltrans ester-filled transformers are suitable for utilities, renewable energy projects, transportation systems, commercial infrastructure, and industrial applications where safety and sustainability are critical.
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AluCop Transformers
DeVoltrans Private Limited manufactures high-performance AluCop Transformers engineered to provide an optimized balance between performance, weight reduction, and cost efficiency. Designed using a combination of aluminum and copper conductor technology, AluCop transformers offer reliable electrical performance while reducing overall material cost and transformer weight. These transformers are specifically developed for applications requiring economical and efficient power solutions without compromising operational reliability. Built with advanced engineering practices and high-quality insulation systems, DeVoltrans AluCop transformers deliver dependable performance across utilities, industrial facilities, renewable energy systems, and infrastructure projects.
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Repair & Augmentation
DeVoltrans Private Limited offers comprehensive Repair & Augmentation Services to extend the operational life and enhance the performance of power transformers. Covering the full lifecycle of transformer maintenance, our solutions range from routine repairs to complete refurbishment, MVA uprating, and vector group conversions. By restoring and upgrading existing assets, we help utilities and industries improve efficiency, reliability, and capacity — at a fraction of the cost of new equipment. Our services are executed with precision, adhering to the highest industry standards and quality protocols.
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Installation Gallery
A glimpse into our state-of-the-art 9000 MVA facility.
Delivering Across Borders
Precision-built transformers deployed across World.
YourPower.OurPrecision.
Partner with De Voltrans for robust, engineering-grade transformers built strictly to IS, IEC, and ANSI standards.