What is basic difference between Soft Starters And VFD
drives?

Answer Posted / paras

vfd used for the speed regulation & soft stsrters are used
for smoothly starting of induction motors. principles &
application of the both is different.

Is This Answer Correct ?    15 Yes 3 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

If the earth is a good conductor of electricity, why don't people get shocked every time they walking on earth?

1313


what is the difference between 4pole & 6pole DC Motors & give advantage ?

1434


During Starter Panel Com missing I Found The Main Incomer 40Amp MCB 10KA Trip When Motor Change Star To Delta Motor Rating 20HP BUT When We Use Same MCB To Other Motor It Does Not trip Or What Is Necessaries for Star Delta Starter MCB SFU MPCB OR MCCB And What are The Breaking Capacity of MCCB in the Motor above 15HP

1411


what is the function of Moulded case circuit breaker, why it is called Moulded?

989


how much LT load can bear by the 100 KW HT connection.

1747






how does WTI work ?

1535


are there rmu for 3 transformer?

1426


why should small green grass ans small plant should not be there inside the transformer Yard in the factories

1210


technically, what is the reason behind starting the motor star the delta connection .. and what other ways to do this rather than using " star-delta transformer"

1550


what work will do diffrential realay DG set

2335


it is in our knowledge tht right plug of supply of residential suppy system is phase n other is neutral...howevr the battery charger of mobile works in both ways...i mean it is not restricted in only one direction.ny of the holder of charger can hav phase .so y is it not lik tht phase of supply must b connected 2 phase of charger...?

1565


Why field rheostat is kept in minimum position while armature rheostat at maximum position?

630


What is the complete procedure of erection of electrical panel in industry

1385


(1)WHAT HAPPENS WHEN SUDDENLY LOAD GIVEN TO THE INDUCTION MOTOR ? (2)CAN WE MAKE WOOD AS MAGNET ? (3)WHAT IS THE VALUE OF MAGNETIC FLUX DENSITY IN TRANSFORMER ? (4)WHY WE ARE USING ELECTROMAGNETI NOT ELECTROSTATIC IN MACHINE ?

1677


is there any role of power factor with frequency variation? and how we can manage the frequency variation?

1636