Answer / [pp

to reverse the current through the rotating coilseach half
turn or to step up the voltage frm the electrical sourceor
to convert the motor into an

Answer / saravanan

in dc motor commutator converted AC to DC
it is also used to collect the current from the winding

in underground cables, we have a grading method called 'capacitance grading' why is it called 'capacotance grading' although we do not use any capacitor in it?

1 Answers  

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do you have some of interview Questions in power and genrator section in general whith answers

1 Answers  

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It is a three inch fan and i want it to rotate to other direction .I've tried cutting the wire and reconnecting them inverse like black to white and white to black ,but it won't start rotating when i plug it in that way.And then it works again when i rejoin the wire to the way it is. I don't know what causing the problem.Is there anyone familiar with these small mortor?Any suggestion would be appreciated.Thanks!! http://i296.photobucket.com/albums/mm163/sasukebloodwheel/110527-105859.jpg

2 Answers  

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what is differential relay in power transformer??

8 Answers  

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how we calculate full load current of A.C & D.C Motors?

1 Answers  

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What does a permanent magnet generator do?

1 Answers  

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what is distribution board?

1 Answers  

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how to find insulation resistance of a motor(415v) by theoretical formula??

2 Answers  

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How can calculate ups battery back up time?

25 Answers   Cisco, Cooper, Pronet, Wipro,

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What is the equipment used to control the generator output?

4 Answers  

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If an induction motor is restarted before its rotor stop rotating, then what will be the amount of current drawn? Is this current will be the same as motor starting current?

5 Answers  

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If a capacitor bank is having rating 750kvar for 6.6kv. Then for 3.3kv how much will be the rating of capacitor bank.

1 Answers   OCL,

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