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.

At present how many HVDC lines are there in india

18 Answers   HAL, Infosys, KSEB, Kuntham,

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What is the Harmonics??????????

5 Answers  

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My question is abt backlog.I had dropped one subject in my second year, and completed this subject in the 3rd attempt, so how many backlogs i have got?1 or 3?plz sujjest the answer as soon as possible

0 Answers  

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in a dc motor we supply current only to the armature conductors,from where is the field winding gets excited then??

3 Answers   RRB, Siemens,

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working

1 Answers  

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Relative synchronous generator

1 Answers  

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which starter is used for synchronous motor

18 Answers   APTransco, IBM,

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Technical requirement of Copper earthing over GI earthing.

1 Answers  

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How to calculate the breaking capacity(like 15ka,20ka) of Circuit breaker (MCB,MCCB,ACB)

9 Answers   Career Excellent Sdn Bhd, Neona, Northern Max Engineering, Sps Renewables, Terasaki, UEM,

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difference b/w series&parallel

4 Answers   ABB,

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why transformer are not used in D.C SUPPLY

5 Answers  

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When geneartor is running in poor lagging side power factor its excitation current increases then it is running in improved lagging side.Kindly tell me when gen is running in leading side what will happen

3 Answers  

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