how will protect transformer agint overcurrent protection

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Question Posted / mithun patidar

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how will protect transformer agint overcurrent protection..

Answer / sunil kumar das

Full load current, we can see on name plate of the
Transformer. use the correct rating for fuse according to
full load current. If load is more than 2 mega watt then we
can use a air or vacuum type circuit breaker.

Is This Answer Correct ?

16 Yes

4 No

how will protect transformer agint overcurrent protection..

Answer / shaik

thru overcurrent relay

Is This Answer Correct ?

9 Yes

3 No

how will protect transformer agint overcurrent protection..

Answer / silpa

hi shaik, over current relay is only to sence the fault,
circuit breaker's role is to protect

Is This Answer Correct ?

7 Yes

4 No

how will protect transformer agint overcurrent protection..

Answer / aravind

A Differential relay can be used to detect transformer over
current.The Earth fault relay can be used to detuct over
current thro' earth.(These relays ultimately going to
initiate the circuit breaker to interupt the fault)

Is This Answer Correct ?

6 Yes

6 No

how will protect transformer agint overcurrent protection..

Answer / manish mishra

i agree with silpa..relay is used only for sensing but the
interruption is performed by circuit breaker...so by using
OC breaker we can protect the transformer from the OC...

Is This Answer Correct ?

2 Yes

5 No

how will protect transformer agint overcurrent protection..

Answer / masoom raza

by buchholz relay for large tranformer

Is This Answer Correct ?

0 Yes

3 No

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