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Question
how we select the mva rating of the circuit breakers?
 Question Submitted By :: Electrical-Engineering
I also faced this Question!!     Answer Posted By  
 
Answer
# 1
accordig to the voltage of the system & peak value of fault
current to be interrupted by the breaker
 
Is This Answer Correct ?    5 Yes 0 No
Akhilesh Negi
 

 
 
 
Other Electrical Engineering Interview Questions
 
  Question Asked @ Answers
 
Can Induction motor run at over rated speed? ( 15oo rpm is rated speed for 50HZ. is it possible to ride 3000 RPM with same motor with the help of VVVFD for continues ride of 100HZ) Equate 3
how to store the thunder power? voltech 1
Why can we connect the mobile charger both ways?   1
Normally the starter used to reduce the starting current.but the dol starter do not it,so why we use it?   3
can we produce cosine wave instead of sine wave? will it usefull? BARC 4
Do you know the alignment of a motor? Reliance 6
what is Dog conductor? wasp conductor? rabbit conductor? ant conductor?   2
We wish to test 60 Hz systems from a 50 Hz supply. To acheive frequency conversion, we use a VFD. The VFD powers 40 kVA transformer, which has motor and non-motor loads on it. Will the transformer work? Suzlon 2
How to select the releases for MCCB ?   1
Can Superposition theorem be applied to AC Circuits?Can Thevenin's Theorem be applied to AC Circuit too? HCL 5
what is the difference between Earth and neutral? and what is the difference between ground earthing and neutral earthing?   1
what is the difference between Inverter and ups MTS 1
 
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