Outdoor and High-Duty Distribution

Oil-Immersed Transformers

Oil-immersed transformer buyers need to compare capacity, voltage, cooling, accessories, losses, testing and site safety before placing a purchase order.

Oil immersed transformer in an industrial electrical yard
Equipment context - Oil-Immersed Transformers

Procurement use

Oil-immersed transformers are reviewed for outdoor distribution, substation and industrial applications where oil cooling, outdoor installation and accessory configuration are part of the project scope.

Technical agreement focus

Oil type, tank structure, cooling, bushings, tap changer, monitoring accessories, paint, packing and testing should be confirmed during quotation review and recorded in the technical agreement.

Quotation data to prepare

Electrical data

Rated capacity, primary and secondary voltage, phase, frequency and vector group if known.

Installation condition

Indoor, outdoor, substation, industrial yard, electrical room or compact cabinet site.

Configuration scope

Cooling, tap changer, accessories, monitoring, protection and spare parts requirements.

Commercial scope

Quantity, destination country, packing, documentation language and schedule expectation.

Selection points

Rated capacity and voltage class
Outdoor environment and ambient condition
Cooling method and accessory scope
Tap changer and protection requirements
Testing, painting, packing and documentation

Buyer questions

What details affect oil-immersed transformer quotation?

Capacity, voltage, cooling, accessories, loss target, testing requirement, oil type, tank structure and destination standard all affect quotation review.

Can accessories be included in the same quotation?

Yes. Accessories such as tap changer, gauges, relays, fans or monitoring devices should be listed in the RFQ when required.

Are final loss values published on this page?

No. Final loss values and test basis must be confirmed from project specifications, quotation documents and the technical agreement.

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