Answer / haneef khan gtr

Drives have to use for starting motor smoothly and control
the speed of its( as per requirement)except its it protect
the motor by any fault,with faults codes identification.

Answer / s k deo

To limit Motor Starting current & Save Power consumption.

Answer / vaseekaran

THE VFD DRIVES ARE USED TO CONTROL THE SPEED OF THE MOTOR.THIS CONCEPT OF CONTROL THE SPEED IS BY CONTROL THE FREQUENCY OF THE INCOMING SUPPLY.HENCE THE AC SUPPLY IS HAVING THE FREQUENCY SO IT IS POSSIBLE TO USE THE DRIVES ONLY FOR AC LOADS.

For a certain load i need 100kw load ,In that case what rating mccb should i use?

5 Answers  

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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

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Draw the vector diagram and condition for the following: 1) Dyn1 2) Ynd0 3) YnYn0

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Dg pf .71 i am improve pf 0.80 what capacitor connected in dg how?

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What is sink and source?

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what will happen if u run induction motor beyond its rated speed

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Relative synchronous generator

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explain all the classes with example

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what is the meaning of Dd0yn11

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