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500kVA Transformer Price in Nigeria: What You Need to Know
A 500kVA transformer is the workhorse size for large estates, big commercial complexes and medium industrial plants.
Price depends on the copper or aluminium windings, cooling type, voltage class, losses and the maker. We do not advertise a single figure, because it changes with raw material cost and the exchange rate.
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- Capacity in kVA
- Primary voltage (11 kV or 33 kV) and secondary voltage (415 V)
- Oil-filled or dry-type, and indoor or outdoor
- Vector group, such as Dyn11
- New or fairly used, and quantity
- Delivery location and required date
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500kVA Transformer at a Glance
- Low-voltage current at 415 V: about 696 A
- High-voltage current at 11 kV: about 26.2 A
- High-voltage current at 33 kV: about 8.7 A
- Typical impedance: about 4 percent
What Moves the Price
- Copper versus aluminium windings
- Oil-filled versus dry-type construction
- Primary voltage class (11 kV or 33 kV) and tap changer type
- Losses and efficiency class, which affect running cost over years
- Manufacturer, test certificates and delivery distance
Before You Order
- Confirm the incoming supply voltage with the distribution company
- Check the location for access, oil containment and ventilation
- Ask for factory test certificates
- Plan the protection and metering with a qualified electrical engineer
Frequently Asked Questions
How much does a 500kVA transformer cost in Nigeria?
It depends on windings, cooling, voltage class and the manufacturer. Send your requirement on WhatsApp and we will get comparable quotes.
What is the full-load current of a 500kVA transformer?
About 696 A on the 415 V side and about 26.2 A on an 11 kV primary.
Should I choose oil-filled or dry-type?
Oil-filled units are the common choice outdoors and cost less per kVA. Dry-type units suit indoor locations where fire safety and oil containment matter most.
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