Explain the protection of transformer from over voltages?
By providing proper insulation.
Proper maintenance of the transformer.
Surge arrestor aka lighting arrestors are used to protect transformers from over voltage.
relays and circuitbreakers
Transformer can protection can excuted in different cooling oil method and relays used and mainly the over voltage can reduced by buchholzs relay.
HRC fuses can be used.
by using percentage diffrential relay u can used for protection of transformer
SPD is used ie LA as VCB
auto transformer is used
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