Voltamp Transformers Ltd. was initially incorporated as private limited company and established in year 1967 in Vadodara. Further, by a special resolution passed by the shareholders under section 31 and 44 of the Companies Act, 1956, the Company has been converted from private limited to public limited company with effect from 22.02.2006.

The Company has installed facility to manufacture oil filled power and distribution transformers up to 160MVA, 220kV class, resin impregnated dry type transformers up to 5 MVA, 11kv class (in technical collaboration with MORA, GERMANY) and cast resin dry type transformers up to 12.5 MVA, 33 kV class (in technical collaboration with HTT, GERMANY). There are two plants located at;

1. Makarpura, Vadodara , Gujarat for Power Transformers and 2. Village Vadadla, Tehsil Savli, Dist. Vadodara, Gujarat for Distribution and Dry Type Transformers. We have started this new unit at Savli for manufacturing of Oil filled distribution transformers and dry type transformers.

The company receives orders from various government and semi-government projects, refineries, fertilizer plants, various other industries and state electricity boards. Many of these transformers are specified by consulting engineering companies.Besides India, the company has presence in Nepal, Bhutan, Indonesia, Sri Lanka and Middle East Asia.

The company has received an ISO 9001 certification from KPMG Peat Marwick LLP, USA for its quality management.

Products

Oil filled transformers- Under this category company manufactures power and distribution transformers.

Cast resin(dry type) transformers- Under this, the company manufacture cast resin power and distribution transformers, converter transformers, transformers with On Load Tap Changers (OLTC), motor - starting transformers, testing transformers, etc.

Unitised sub-station- The company manufactures HT Switchgear, Transformer and LT Switchgear and associated equipments to form a composite compartmentalised unitised sub-station.

Induction Furnace – It also manufactures Induction Furnace, which has coil constructed from heavy copper tubing. It is designed and tuned to the inverter circuit which applies a medium frequency (generally 500 Hz or 1000 Hz) voltage to the Induction coil. The magnetic field produced by the induction coil induces eddy currents in the charge and heats it. Medium frequency is necessary to enhance the rate of heat generation.

The company also provides services related to all aspects of assembly, commissioning, maintenance repairing and trouble shooting of transformers.

Frequently asked questions