how to improve IR value in HT motors?

Answer Posted / k.prakashchandra

With dimmer-stat (auto-transformer),it may not be possible
to get full load current in large motors .Then you have to
use strip heaters for heating the coils or DC supply (no
back emf)

Is This Answer Correct ?    4 Yes 1 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

How to select cable the size, what is the parameters use and what is the formulas use for this cable size calculation?

1406


can we synchronize star system generators with delta system transmission line ? and how ?

2306


i applied for c licence with my one year apperents trainee and i have attaced with A grade contractor company experiance that is for 14 monts experiance this document is sufeicant for c licence? pls tell why they rejected

1697


What are the application of filter?

654


if two transformers are placed parallel & both have fault impedance of 50KA will it increase or decrease show example?

1534






Is it possible to protect 3phase overload and earth fault of the 3phase system using two CT's.

1575


what is the formula to calculate voltage drop/loss on 66KV Transmission Line?

3216


What is the function of retrip in busbar?

1080


Brushes are placed at magnetically neutral axis,when brushes reach that point,the armature conductor gets shorted,but it can be seen that the dc supply is also shorted,wont that get damage? help me plz

1801


What is hipot test procedure?

1002


why impedance relay is used for medium transmission line protection

1804


how to check ac servo motor

1714


why starting current is high and resistance is almost 0 during the starting of motor dc motor...?

1279


define the active power?

1484


WHAT IS THE DIFFERENE IN ACTION OF MCB,MCCB,RCCB

1954