Answer / rakesh verma

Soft starter is like a auto transformer starter of 3 phase
induction motor which protects the motor from jurk .

Answer / rafi

soft starters are the AC drives which limits the starting
current as like starters,
but the diffrence in soft starter is, it is controlled by
SCR, by that we will limit the starting voltage to ur need.

Answer / subhash tp

i have no accurate answer for this question.

WE HAVE A PROBLEM THAT THE MAIN DRIVE OF OUR CEMENT MILL HAS AN EARTHING PROBLEM?TWO OF STATOR WINDINGS INSULATION HAS BEEN COLLAPSED DUE TO AGING PROBLEM.THE PHASES HAVE BEEN BYPASSED AND NOW THE LOAD HAS BEEN INCREASED.WE CAN'T REPLACE THE MOTOR.KINDLY HELP ME BY GIVING SUGGESTION THAT HOW TO MAINTAIN THE STARTING TORQUE AND CURRENT FOR HIGH LOADS.

1 Answers   ACC,

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while calculating the power absorbed by a resistor connected to the output of a half wave rectifier circuit should we use rms or average current? explain with reason.

1 Answers   Vedanta,

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If one lamp connects between two phases it will glow or not?

0 Answers  

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How to check the cable fault / hv test of transformer cable.

0 Answers   KSEB, L&T, Siemens,

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tell me about sf6 breakers

4 Answers  

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Distinguish between nuclear power station with thermal power station for initial cost, starting period, cleanliness, and transportation of fuel

0 Answers   IOCL,

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explain which quantities change in the starting and the and the running condition in induction motor

0 Answers   Gulf Spic,

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why we use separate earthing for two seprate machine??

1 Answers  

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What do you mean by ratio correction factor of instrument transformer?

0 Answers  

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what's prime importance of protection in electrical system.if protection system don't work properly what can happen in electrical system?

0 Answers  

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Is it posible to instal one more SMDB from the existing SMDB and is it practical.

0 Answers   CGI,

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why overcurrent fault occurs in power system.

1 Answers  

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