why is used for starters for staring motors?

Answer Posted / kavitha

If the supply is given ,the voltage increase form low to
high level .the current also increases so to reduce the
high starting currents & protect the motor we use starter.

Is This Answer Correct ?    13 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

In our plant we have installed new MCC with ELR and CBCT which is detecting some leakage current in the system but it leading to some confusion when to check that in which feeder which is drawing current we put off the whole panel itself but still CBCT detecting some leakage current so can anybody ans me , where i am going wrong or how to detect whether its actual leakage or CBCT malfunctioning.

1713


please send me last 5 year interview questions

1672


Define availability (operational)?

663


Explain cmrr?

696


3ph motor running with unequal kw and different pf what are the reasons

1226






WHAT IS MEANT BY DERATING OF THYRISTOR?

2471


what are safety measures in /control in diesal engine/ explain them?

1355


how does high earth to neutral voltage affect electronic equipment?

939


Why delta star trformers are used for lighting loads?

740


defult setting in p220 micom motor proction relay for 11kv,640kw,f.l.a.-40a,1440rpm ht motor?

3226


EXPLAIN METOD OF IMAGE OF TRANSMISSION LINE/ WHAT ARE ITS PRACTICAL APPLICATION?

1425


Dear all, how we select the cable size according  to current with or without including different correction factor , is there any direct method for sizing of cable... 

1706


I have made a 3 phase thyristor full bridge rectifier. But at the moment it is working only for the half bridge operation. Both the half bridges are on operation separately but when i put it into full bridge operation the oscilloscope output is zero. I rechecked that the pulses are correct for each thyristor. what could be the possible reason for this?

1493


We have 90mX100m hangar with 16 no.of supporting pillar. It is required to provide power supply on all pillars. what is suggested earthing scheme for hangars.

1608


what is per unit calculation?looking for simple and strong explanation thk u

2084