Transformers – distribution, power and special duty
Oil-cooled and dry type transformers built to your MVA/kVA rating, voltage ratio, tapping and cooling requirements, to suit your site and network.
Six transformer types
Select a type for typical ratings and applications.
Distribution Transformer
Oil-cooled three-phase distribution transformers up to 33 kV class for factories, buildings and utility networks.
Power Transformer
Oil-immersed power transformers for substations, heavy industry and renewable plants, built to your MVA rating, voltage class and cooling requirement.
Solar Inverter Duty Transformer (IDT)
Inverter duty transformers for solar PV plants: step up inverter output to 11/22/33 kV, designed for harmonics and daily load cycling.
Wind Turbine Transformer
Step-up transformers for wind turbine generators, built for variable loading, vibration and outdoor wind-farm conditions.
Furnace Transformer
Furnace transformers for induction and arc furnaces: high secondary currents, wide tapping ranges and robust construction for melt shops.
Dry Type Transformer
Dry type (cast resin) transformers for indoor installation in buildings, hospitals and plants where oil-filled units are unsuitable.
Oil-cooled or dry type, and how to specify
Oil-cooled transformers are economical, handle overloads well and suit outdoor yards; they need oil containment and periodic oil testing. Dry type transformers use cast resin insulation, carry no fire risk from oil and are preferred indoors, in high-rise buildings, hospitals and basements, at a higher price.
Whatever the type, a quotation needs the kVA or MVA rating, primary and secondary voltages, vector group, tapping range, impedance, cooling, installation location and the standard to follow. For substations and heavy industry see power transformers; for solar plants, the inverter duty transformer; and for melt shops, the furnace transformer. Switchgear is on the HT panels page.
Which transformer do I need – oil-cooled or dry type?
Oil-cooled units are economical and suit outdoor yards; dry type units have no oil and are preferred indoors, in buildings, hospitals and basements.
What details are needed for a quotation?
kVA/MVA rating, primary and secondary voltages, vector group, cooling, tapping, impedance, installation location and the standard to follow.
Send your transformer requirement
Share the rating, voltage, quantity and delivery location, or attach your single-line diagram or BOQ by email or WhatsApp.
- One enquiry for the full package
- Specification checked before quotation
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