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Auto Transformer

Star Delta Transformers is one the leading manufacture of Auto transformers in Yennora, NSW.

An auto transformer is used mainly for the adjustments of line voltages to either change its value or to keep it constant.

Auto transformer efficiency is much high as compared to the 2 winding transformers. Auto transformers efficiency sometimes reaches 99% with all comfortable conditions.

Efficiency = (Pout / Pin) * 100

Pout= Vs * Is * Cos(Ø)

Power Factor= Cos(Ø)

Pin= Pout +Ploss


Auto-Transformer Starter – EEEbooks4U

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