Transformer Efficiency

Transformer efficiency
The ratio of the power of the secondary coil to the power of primary coil is called efficiency of the transformer i.e. η=PsPp.
Is the transformer 100% efficient?
While we say that transformers are very efficient, we know that they aren't 100% efficient. There are two main ways that transformers lose power: core losses and copper losses. Core losses are the eddy current losses and hysteresis losses of the core. They are measured using the open-circuit test.








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