Why Lightning arrester used? Can we use piece of iron as a
core material of transformer, if No, why? In CRGOSS
material what is meaning of cold rolled grain oriented? Why
Impegrenation of Transformer is done? Properties of
Insulator? what is phase angle? Testing of transformers
(Routine & Monthly)?
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Answer Posted / badshah
Lightning Arrestor is to bypass the lightning to earth by
which we can protect the equipments from high voltage of
lightning
Piece of iron can be used as a core but it will cause more
eddy current to flow through the core & more iron
losses..that's why the cores are laminated
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