TransVolt Power Solutions · Gloucestershire, UK

Transformers, oil treatment and HV testing for the UK grid

TransVolt understands power transformers. We supply them from Voltamp and Telawne, treat their oil with GlobeCore plant, test them with KVTEK systems and OFIL cameras, and assess, investigate and specify them for UK utilities, generators, networks and industry. Everything we do serves the UK high-voltage industry, and we are ready to serve you.

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What we do

Six ways we help keep the network running

Power transformers

Grid, generator and industrial transformers to 500 MVA and 400 kV from Voltamp Power SAOC, type tested at KEMA and CESI.

Voltamp →

Telawne transformer core and windings during assembly

Distribution & medium power transformers

Oil-filled, cast resin and pad-mounted units to 100 MVA from Telawne, including inverter-duty transformers for solar and BESS.

Telawne →

GlobeCore CMM-6RL mobile oil regeneration unit

Transformer oil treatment

GlobeCore degassing, dehydration and regeneration plant, plus TOR online drying and monitoring. Exclusive UK distributor.

GlobeCore →

KVTEK 600 kV series resonant test system in the test hall

High-voltage test systems

Series resonant AC test sets, partial discharge measurement and impulse generators from KVTEK. European distributor.

KVTEK →

TransVolt engineers testing a generator transformer on site

Site electrical testing

Diagnostic testing of transformers in service: insulation, winding, SFRA, tap changer and oil, with a written condition report.

Testing →

Transformer consulting

Specifications, design review, factory test witnessing, condition assessment and specialist opinion from a chartered engineer.

Consulting →

1,254power transformers despatched by Voltamp to January 2026

61+countries supplied by Telawne since 1987

500 MVAlargest unit in our supply range, at 400 kV

20+ yrsof transformer engineering behind every enquiry

Voltamp engineers lowering a core and coil assembly

Why TransVolt

Transformer specialists serving the UK high-voltage industry

We are transformer engineers first. Twenty years of specifying, testing, investigating and managing transformer fleets sit behind every unit we supply and every report we write, and we hold exclusive UK distributorships so you deal with one accountable company from enquiry to energisation.

Specified properly. We write or review the technical specification with you before the enquiry goes to the works.
Witnessed properly. Factory acceptance tests witnessed by our own engineer at Sohar, Mumbai or the KVTEK works.
Supported properly. Delivery, site testing, oil processing, failure investigation and after-sales from Gloucestershire.
Priced properly. Manufacturer-direct pricing and some of the shortest lead times in the UK market.

About TransVolt

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