Answer Posted / anil bhatia
1. Check the resistance of all windings. In case of three
phase motors resistance of all windings should be same.
2. Check the insulation resistance with megger. It should be
near about 1M-Ohm.
i am agrred by the statment given by friend but also in
some cases both above1 and 2 we find ok and problom we
find in iduction reactance which only can be measured by
motor checker .
| Is This Answer Correct ? | 4 Yes | 1 No |
Post New Answer View All Answers
why ct's&pt'S out put called as burden,why compelsary short ckt the secondary of ct's while removing the burden?
why the starting voltage drop in a cable needs to be limited?what is percentage of the voltage drop allowed during starting?
hi Is there any possibilities to find out the rotation of a shaft or something else by using electromagnectic waves or by IR rays.If s then can v change the dir., of rotation of the same by remotely?& how? plz dn't any1 say "NO r CAN'T"
Why an ac systems are preferred over dc systems?
what is difference between line differential and transformer differential?
i m doing DEEE in part time,can i join regular cources in BE,,IF i join what the cources can i select like (civil,ece,IT) ,,kindly advice
What are locations arc protection relay is fixed.
What is the resonant peak?
HELLO SIR, IAM PREPARING HPCL EXAMS. SO PLS SEND MATERIAL OF HPCL ELECTRICAL ENG..TO VIJAY_8888@YMAIL.COM
What is the estimated total hydropower potential of india?
What is grid collapse? what is the reason for it?
what are the sample questions asking to the test cunducting for electrical superwising lisence test?
what is the formula for hv test for cable and circuit breaker..????
Is vtg is controlled by the resistor? if else how much?
Why is negative feedback invariably preferred in closed loop system?
