how you can select circuit breaker for 2000kva transformer?
- 9 Answers
- 20812 Views
- TATA, I also Faced
- E-Mail Answers
Answer Posted / solver
gaurang you are right
also mukund is right
Dear ashish & sareer,
always remember that the LT side breaker of transformer
is only selected based on rated capacity of LT winding.
i.e. 2782 A in this case.
& no overloading is considered beyond capacity of
transformer winding.
besides that transformer is loaded to 80% of its capacity.
This makes the load current even lesser than the rated.
Hope you are satisfied by this answer
| Is This Answer Correct ? | 7 Yes | 1 No |
Post New Answer View All Answers
how to remover corona effect and hysteresis losses from contactor
what is mean by restructuring power system?
why star point of HT motor not earthed?
Is it possible to measure correct value of earth resistance & cable insulation ristance with out disconncting earth lead & both sides of cable ends? If not, any other method to measure ER & CIR with out disconneting from the system.
WHY IL=IPH IN STAR AND WHY IPH=IL/1.732 IN DELTA? WHAT IS REASON BEHIND IT?
What is time invariant system?
What is core CT & it's function?
The shot circuit in any winding of transformer result? Explain
how to measure the transformer resistance values(dyn11)?and howmuch the minimum value?
Earth is a conductor or load?then ammeter connect to 3- phase supply,it shows the measurents or not?
For RCD (Residual current device) Icu is defined. How i can find Ics for them?
Why is it prefer to initiate circuit breaker failure by "86" lockout relay not by "94" tripping relay ?!
For a 6.6kV Motor it is recommended to do megger test with 500 V d.c and not more than 5kV d.c but the Hi voltage withstand test should be performed by 12kV AC. Why the dc voltage test should be limited but AC voltage withstand test could be with such a high voltage?
what is deffrence between squirral cage and wound rotor in IM?
Explain cos(theta) and Sin(theta)
