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what is hysterisis loss and eddy current loss? how it occurs?
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Answer Posted / shibuss
both losses are occurred in ac
If the primary of a transformer is energized it create a
magmatic flux which linked with secondary and the core. This
flux will induce an EMF in the secondary winding and also in
the core. Since the core of the transformer forms a closed
circuit this EMF will cause a current to flow through the
core known as eddy current and hence the eddy current loss.
In ac system direction of the current is reversed in every
half cycle this will cause the magnetization of the core to
reverse in each half cycle and the loss due to this
continuous magnetic reversal termed as hysteresis loss
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