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
I am a possesor of c licence from 1993. I forgot to renew during the year 1998. During that time I was working at TNEB to till date. Is there any possibility to get renewed? or to apply for a new one?
importance of reactive power management
Hello Friends, How can we recognize the CT Star Point is S1 or S2 in case of Electro Mechanical Relays and what is meant by Restraining coil in relays and what is the purpose of that.. thank you in advance..
If anyone would like to know or practice for FEWA papers contact me on mohamedrashad2@hotmail.com Just completed the supervisor exam in April 2021
What is dc current source?
How to calculate LT XLPE CABLE for 11 kv / 433 v , 1000 kva oil type transformer system?
What are diffrent type of road taxes?
what is relation between ct and pt ratio with multiplication factor of a energy meter? is there any other factor on which multification factor depend?
Pl. give me checklist for installation & commissioning of machine tool.
What is the polarization index value ? (Pi value)and simple definition of polarization index ?
Pls Breifly explain about UPS (Inverter,Reserve,Rectifier,Float voltage,Boost voltage).
what is the use of piston rings in the engine used for a generator...........
why are u join ntpc
ROC converges if poles and zeros lie inside a. Origion b. Z=1
If rotor works in clock wise what happens