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.

How to identify phases in the transformer like motor and AC generator but one condition without phase indication like(RYB,UVW)?

1 Answers  

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what is meant by unity power factor?unity means one why dont call 2,3,4......?

6 Answers  

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what is the difference between KW and KVA?

15 Answers  

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What is class X ct? What rare its uses?

2 Answers  

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is emf is indued if dc is passed through coil

5 Answers  

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will the turbogenerator operate on leading power factor with out modification in the stator winding.

3 Answers   Toyota,

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What is the rotor frequency of 10 Hp 1440 RPM 50HZ 415V ?

0 Answers  

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what is voltage gradient?

8 Answers   Bhel,

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What are the types of excitation system?

0 Answers  

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which relay is better , instantaneous or IDMT relay .

2 Answers  

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What is the harm if we install primary side 11 KV VCB at a distance of one Km from the 11/3.3KV 12.5 MVA transformer through 11 KV cable.

4 Answers  

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Why ferranti effect occurred in leading p.f load?

1 Answers  

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