Answer / ashok

An electronins ckt which controls the speed of AC/DC motors

Answer / vinay

drive mean a mechanical device to do the specific task
drives are ac drives and cd drives the drive workds on ac is called ac drive in dc called dc drive.

Answer / abhishek goyal

Circuit made of electrical (choke,power cable)and electronic
(SCR,IGBT)to control the speed of AC/DC MOTOR. it can be
control voltage, current, frequency etc.

What is the working principle of MIG welding? and its out put Voltage?

0 Answers   L&T,

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What is the difference btwn grounding and earthing?

11 Answers   HAL,

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is it possible to flow a current between nutral and earth in a circuit? although nutral and earth having same potential diffrence? i=0/r=0A if any body now any solid reason because i am getting a triping problem in rcbo due to nutral and earth shorting???

2 Answers  

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what is disadvantages of high power factor

4 Answers  

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10. THE MOST COMMON TYPE OF THREE PHASE IN UNSYMMETRICAL FAULTS IS ........

6 Answers   SSC,

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why synchronous motor is not self starting

5 Answers   Cenored,

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what are the problems that generally occur in power flows??

1 Answers  

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what happens if we give 1-ph supply for 3-ph Bridge rectifier...??

2 Answers   Sanelec,

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What is the meaning of CT 400-200/1-1 A ?

2 Answers   Home,

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eddy current losses depends on?(a-max magnetic feild,b-avg magnetic feild,c-on frequency,d-on square of frequency)?

3 Answers   Ecil,

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160 kw motor running use 2R* 150 SQ mm cable

0 Answers   ID,

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Why electricity in India is in the multiples of 11 like 11kv, 22kv, 33kv

2 Answers   KPIT,

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