how you can select circuit breaker for 2000kva transformer?
- 9 Answers
- 20811 Views
- TATA, I also Faced
- E-Mail Answers
Answer Posted / gaurang
As per Equation
P=route 3 * V *I* cos phi
I=KVA/ rout 3 * V
So for 2000 KVA Transformer and considering Volatge 415 V.
I=2000/1.732 * 0.415
I=2782 A
Considering the breaker rated capacity selection above 2782
A as per Mfg. std.
Circuit breaker capacity will be of 3200 A.
| Is This Answer Correct ? | 26 Yes | 0 No |
Post New Answer View All Answers
What is called limb of a transformer?
Has someone here done a sizing for a generator (3 phase), its for a pumping station. If you have an example for standby/duty and both running (I) star delta (ii) Soft Starter.
12.5 tons a/c is their how much kva generator can recommend to the customer.
What is earth system using on the floater TN-S or TT. Iam not sure and what ICCP
what is transformor oil gread
how can maintain the power factor and why and this is how do work tell us
by what factor the starting current is used when comparing star and delta connection for motor starting?
In Dyn11 power transformer if any one of the 3 phases connected to earth in star connected side then please explain effect of the current flow in delta connected side of transformer.(In this case if one phase is shorted to ground in star connected side then we observe the current flow in two phases only not three phases in delta connected primary side. Please explain why it is so?)
what is the difference between electrical choke and electronic choke?
What are the advantages and disadvantages of the dc motors?
What happens if we connect a single phase energy meter in reverse polarity.
While testing a ZCT what parameters have to check or measure?
I need bhel previous year quetion papers for electrical engineering department.I searched but i could not find out
difference between the applicability of nortons and thevenin theorem
What is meant by Load Encroachment in OHL Feeder Protection?
