Substation Equipment

Supplier and installer of high-voltage substation equipment and logistics, acting as local agent for major international OEMs.

Discuss Your Project

HVT supplies and installs high-voltage substation equipment and logistics for utilities and HV project companies as an agent of major international OEMs.

As local representative, HVT links customers with overseas principal operations and products, providing regional technical support and a regional office facility for the overseas principal.

Liaison between manufacturers and regional customers

Interpreting customer needs and advising the manufacturer
Assisting with technical specifications to meet local needs
Assisting with, or providing, international and local procurement and logistics
After-sales technical support and advice
Providing manufacturers with local knowledge and market intelligence

Scope of services

01.

Transformers

Power transformers, 5–2000 MVA, oil and dry resin type
Instrument transformers, 11kV–800kV: CVTs, CCs and CTs (oil, SF6, dry resin)
Distribution transformers (new and refurbished) up to 1MVA
Skid-mounted and mobile substations/transformers

02.

Switching & reactive

Circuit breakers, 11kV–800kV SF6
Disconnectors: pantograph, centre break/rotating, knee type
Capacitors: full film power, surge and test capacitors
Air-cored reactors, 11kV–800kV, and line traps

03.

Busbars & fittings

Insulators: porcelain station post and composite line
Aluminium tube busbars and fittings
Line fittings: aluminium clamps, terminals and line hardware
Switchgear and mini substations

HVT photograph: Bokmakierie Substation
HVT photograph: Bokmakierie Substation
HVT photograph: Bokmakierie Substation

Other services

Project enquiries

Let’s discuss your next infrastructure project.

Contact HVT to discuss your high-voltage, medium-voltage or electrical infrastructure requirements.

Fax +27 (0)11 316 7860 · Postal: PO Box 8683, Centurion, 0046