How to decide the input and output circuit breaker for a
1600kva transformer.Is there any calculation is involved.




Answers were Sorted based on User's Feedback



How to decide the input and output circuit breaker for a 1600kva transformer.Is there any calculat..

Answer / basayya

1600kva transformer
p= root3*v*i*cospai 1600kva*1000=1600000
1600000/1.732*400*1=2309.46

total current= 2309.46
u can use transformer sec side acb 2500A
i think

Is This Answer Correct ?    5 Yes 1 No

How to decide the input and output circuit breaker for a 1600kva transformer.Is there any calculat..

Answer / rajeshsan

The circuit breaker is selected based on following factors.

1. Voltage level
2. Fault current.
3. Type of Breaker.
4. Operating Time.
5. Number of operations.

Is This Answer Correct ?    1 Yes 0 No

How to decide the input and output circuit breaker for a 1600kva transformer.Is there any calculat..

Answer / akshay gupta

it depends on the condition where transformer is put into
the service in the power systems because impedence vary
with these so fault current also varies

Is This Answer Correct ?    1 Yes 0 No




How to decide the input and output circuit breaker for a 1600kva transformer.Is there any calculat..

Answer / lokesh ranjith

Depend upon the contract demand the transformer will be
nstalled for full load ex: input will 850AVCB
output will be 2500A

Is This Answer Correct ?    4 Yes 4 No

How to decide the input and output circuit breaker for a 1600kva transformer.Is there any calculat..

Answer / baskaran.r

the high voltage side the rating will be according to fault
level of the system and primary current. the secondary
rating also according to the full load current of the
transformer

Is This Answer Correct ?    2 Yes 3 No

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