Answer Posted / r.kumar
for megger test in motor.......we apply 500v DC supply at terminals and check:
1.phase 2 phase(ohms)
2.phase 2 body (>100MEGA OHMS OR GIGA OHMS)
3.phase 2 neutral(>1 GIGA OHMS)
| Is This Answer Correct ? | 1 Yes | 0 No |
Post New Answer View All Answers
Why reactive power is needed in a power system? How is it being absorbed or delivered by alternators? For reactive power control we are changing excitation but reactive power absorbing or delivering related to stator. How these two are interlinked? i want a detailed explanation with necessary expressions and figures?
List the disadvantages of constant k filters?
how braking & making capacity of circuit breaker are calculated?
What is Control & Relay Panel? And Remote Control Center?
What is meant by Low Resistance Cable and High Resistance Cable.
explain single phase series motor
0.5,1,1.5,2.5,4.0.6.0,10,16 square mm electrical wires how much take maximum current in 50htz
What is distance between electrical panel to land ?
Briefly describe your ideal job?
why we cannot protect 100% winding of an alternator by using differential protection?
what is meant by motor startup supervision & motor load jam protection ?
some basic standard questions on transformer.
How could a garment factory benefit from renewable energy
What is stepper motor?
What is precision of a measurement?
