how we select the mva rating of the circuit breakers?
Answer Posted / akhilesh negi
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 |
Post New Answer View All Answers
why a tester wont shock while testing the power in house
If an electrical component has a positive temperature coefficient, how come such components have high power losses due to heat if current decreases when resistance increases? assuming power given by I^2*R whereby the Resistance is infinite.
what is the chemical name and formula of refrigarent R-134a.
If I want to lift the water at a height 50m from ground level through two inch(diameter) metal pipe then what is the capacity of motor pump is required? is it possible in single phase supply or not?
Why water bubbles when D.C. Current is passed through it? Why not when A.C. Current is passed?
1.why should we connect the measuring instruments in l.v side in short circuit test of a transformer? 2.why the power factor is less in open circuit test of a transformer?
How to test the Secure Elite 440 Multi function meter working condition.
send me any model test paper of clerical post of state bank of india.......
Importance of fault current in power transformers and how to monitor the same? How is it different from winding temperature?
Is potential difference materials property ..? if yes tnen how.. explain brifly.
What happened when voltage will half value of current ...
what are the sample questions asking to the test cunducting for electrical superwising lisence test?
how slip power recovery system work
what are the stresses in circuit breakers ?
Electrical 'C' license full abbreviation , and full form