Guide
Compare installation environment, cooling, fire safety, maintenance, capacity range, and common project use cases.
Quick Answer
Oil immersed transformers usually fit outdoor high-capacity loads, while dry type transformers fit indoor projects that prioritize oil-free operation and fire safety.
Confirm load profile, voltage ratio, installation location, grid standards, cooling method, enclosure requirements, accessories, drawings, and test documents before releasing the purchase order.
A strong inquiry includes the single-line diagram, technical specification, transformer quantity, delivery location, preferred standards, and any acceptance testing requirements.
Dry type transformers are commonly selected for indoor building power rooms because they avoid oil and simplify fire-safety planning.
Oil immersed transformers are commonly used outdoors where high capacity, heat dissipation, and continuous heavy load are priorities.
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