Answer / navin kumar

carbon has the property to produce less spark. that's why it
is used in dc motor.

Answer / ganesh

hello ravi tannde ac motors cosist only stator winding
dc motor consist stator and rotor
1) ac motors stator take main roll
2) dc motors rotor take main roll of dc motor run
speed control ;acceleration controll, torque , smooth
run of dc motor

Can any one give an explanation about rating factors of cable? if we are laying the cable on the air with an temp 15 degree then rating factors will be 1.15 and if we are laying the cable on the air an temp 60 degree then rating factor will be 0.76 please describe it and what is the difference between rating factor and derating factor?

0 Answers  

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sir What is the different bet'n "Active & passive" sensors

3 Answers   Kirloskar,

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While miss missed name platform fo electric motor how to calculate simple fourmul,?

1 Answers   ABB, ABC,

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What is MPCB, MCCB, ELCB, RCCB ? Explain them ?

2 Answers  

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slipring induction motor starting time Lrs operating why lrs starting time lrs outer body didn't get shock

0 Answers   Ramco,

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What is the main use of rotary phase converter ?

0 Answers  

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What is order of the system?

0 Answers  

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how electrical earthing maintenance done in industry?

0 Answers   L&T,

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why the inserting resistance in wound rotor induction motor decrease the starting current and increase the starting torque

2 Answers  

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Why different types of connection in transformers are used? (star/star,star/delta,delta/star,delta/delta)Why we are only taking in consideration of star/delta type transformers? if only star/delta is good in practice where doses other type of transformers are used? Note: i want to know place of using different types of transformers other than Star/delta type with brief description.

1 Answers   Electrical Tech,

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why transmiision rating in kva?

4 Answers  

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what is ring main unit?

1 Answers   Otis,

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