Transformers

Inverter Duty transformer

Inverter Duty Transformer

Up to 18 MVA, 5 windings as per IS2026

Voltech's Inverter Duty Transformer is purpose-built for solar PV and VFD-driven industrial loads, rated up to 18 MVA with a 5-winding design manufactured as per IS 2026. Engineered to withstand harmonic loading and frequent switching from inverter circuits, it delivers stable output and longer insulation life - ideal for solar power plants and renewable energy EPC projects.

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Power transformer

Power Transformer

Up to 25 MVA, Up to 132 kV Class

Voltech manufactures Power Transformers up to 25 MVA and 132 kV class as per IS2026, designed for utility substations, industrial plants, and transmission networks. Built to IS/IEC standards with oil-cooled construction for reliable, low-loss performance, these power transformers are trusted by state electricity boards, EPC companies, and industrial end users seeking a dependable power transformer manufacturer in India.

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Distribution transformer

Distribution Transformer

Up to 2.5 MVA, 33 kV Class as per IS1180

Voltech's Distribution Transformer, rated up to 2.5 MVA at 33 kV class as per IS 1180, steps down voltage for safe, efficient power delivery to homes, industries, and commercial establishments. Oil-cooled and built for durability, it's widely specified by utilities and discoms across India and approved by leading state power corporations.

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Dry type LT Transformer

Dry Type LT Transformer

As per IEC 60076 & IEC 60726

The Voltech Dry Type LT Transformer is manufactured as per IEC 60076 and IS 11171, offering a fire-safe, maintenance-free alternative to oil-filled units. With air-cooled insulation and no flammable liquid, it's the preferred dry type transformer for indoor installations, data centers, hospitals, and high-rise buildings where fire safety is critical.

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Dry type LT Transformer

Dry Type HT Transformer

Up to 2.5 MVA / 11 kV/ 433 V | As per IS:11171/ IEC 60726

Voltech's Dry Type HT Transformer, rated up to 2.5 MVA at 11kV/433V as per IS:11171 and IEC 60726, combines high-voltage performance with cast-resin fire safety. Free from oil-related fire and environmental risk, this dry type transformer suits indoor substations, commercial complexes, and industrial plants needing a reliable, low-maintenance HT transformer.

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Frequently Asked Questions

A power transformer steps voltage up or down between transmission and sub-transmission levels (Voltech's range goes up to 25 MVA, 132kV), while a distribution transformer steps voltage down for final delivery to consumers (Voltech's range goes up to 2.5 MVA, 33kV class as per IS 1180).
An inverter duty transformer is designed to handle the harmonic-rich output of solar inverters and VFDs. Voltech's inverter duty transformer is rated up to 18 MVA - 33kV/4*660V with a 5-winding design as per IS 2026, making it ideal for solar power plants and industrial drive applications.
Yes. Dry type transformers, like Voltech's Dry Type LT and HT Transformers (built to IEC 60076 and IS:11171), eliminate the fire risk of insulating oil, making them suitable for indoor installations such as hospitals, data centers, and high-rise buildings.
Indian transformers are typically manufactured to IS 2026 (power transformers), IS 1180 (distribution transformers), and IS 11171 (dry type transformers), alongside international standards like IEC 60076 and IEC 60726. Voltech manufactures across all these standards.
Voltech Manufacturing Company Pvt Ltd (VMCPL), part of the Voltech Group, has manufactured transformers since 2005 and is an approved vendor with utilities including TNPDCL, OPTCL, KPTCL, TANTRANSCO, APDCL, and Hindustan Shipyard Ltd, supplying power and distribution transformers across India and 40+ countries.
Voltech transformers range from distribution units up to 2.5 MVA at 33kV class, to power transformers up to 25 MVA at 132kV class, and inverter duty transformers up to 18 MVA - 33kV/4*660V covering most industrial, utility, and renewable energy applications.
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