what is the difference between brushed alternator ,brushless alternator & permanent alternator ?

1 Answers  

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can any one tell me the formula for calculating the power and unit consumpetion

9 Answers   Avalon,

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How to calculate LT Network length in power distribution ? Service cable length considered or not?

0 Answers   Torrent Power,

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why single phase to grd test in HV cable?why not 2 phase at a time?

0 Answers  

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in one substation we have two power transformers of 100mva,75mva capacity.statoin load is155mva.how much each tranformers share the load????

6 Answers   TNEB Tamil Nadu Electricity Board,

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In dc ckt. 24v or 110v, which one is more efficient and why?

0 Answers  

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Is there any other method of damping the oscillation in a synchronous motor other than using damper winding and if yes what is it?

2 Answers   IOCL,

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how to store the thunder power?

1 Answers   Voltech,

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In a d.c current, the power is the product of voltage and current. This relationship does not always apply to effective(r.m.s) values in an a.c circuit. Explain the reason for this.

2 Answers  

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in what type of applications v can use q meter?

0 Answers  

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what is the distance between two overhead lines

1 Answers   Aurobindo,

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What will be done if we open the secondary of CT on load??

4 Answers   Engro,

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