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Furnace Transformers

The smeltering Industry uses AC & DC processes depending on the Arc Furnace application. DC Electric Arc Furnace (EAF) Transformers are similar in design to rectifier transformers, but have many more taps and on-load tap-changers. AC (EAF) transformers are subjected repeat short circuit conditions that require a more conservative design. They too have many taps and on-load tap changers. The AC (EAF) Transformers are generally manufactured as single phase units which allow the furnace design and process to be optimised.

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