what is the mechanism of operation of brushless dc motor why is it more wexpensive then ordinary permanent magnet motors

0 Answers   Lanco,

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How to design the no. of ceiling fans required in 5mtr X 10 mtr X 3 Mtr hight room?

0 Answers  

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At what speed 1 HP motor can run an electric car of weighing 400 kg?

0 Answers  

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What are the different circuits in thermal power plant?

0 Answers  

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Why secondary of a CT in a power system acts as an open circuit after core saturation?

2 Answers  

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in 1-phase 230v,how in 3-phase 440v. in each phase in between 230v.

0 Answers  

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how much earthings are mendatory at a 25kva sub station?

3 Answers   Bhel,

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Dear sir,how should i set the relay in star delta starter..say ex i am having 4ohp motor,,wht should be the relay setting...?

4 Answers  

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could any one explain me what power factor and where it is use ful

3 Answers  

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why motor starting current is High ?

11 Answers   Bhel, Jindal,

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tell me working of air circuit braker.

2 Answers  

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What is the range of the stator resistance of 3 phase induction motor?

0 Answers  

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