what is defference by mcb,mccb and mpcb

4 Answers   Bhel,

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what is the difference between Earth and neutral? and what is the difference between ground earthing and neutral earthing?

2 Answers  

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what is meant by transformer?

11 Answers  

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what is the reactive power what is the use of it in system

0 Answers   L&T,

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Why cant we connect the motor output to generator and then generator output to motor ?

4 Answers  

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In case of a synchronous generator carbon brushes, some brushes expire before the others. Why is so? When all the brushes are installed at the same time, why don't thee expire at the same time?

1 Answers  

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In a synchronous motor armature current flows due to revolving flux which in turn rotates the load,but in no load condition armature current is zero hence thr is no revolving flux then how motor rotates?

9 Answers  

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how to calculate the no. of earth pits required for an electrical installation?

1 Answers   Mepax,

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What happen if a 18 watt fluorescent tube is used on 36watt choke,which one damaged or not damaged, if damaged why that damaged?

2 Answers   Bharat ITI,

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why m and c are shorted in wattmeter

1 Answers  

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why buchholz relay installed in inclined position

3 Answers   Eskom,

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how to carry out Magnetizing Current Test on Distribution transformer and what purpose we are doing this test. why transformer rating in always in KVA ? what ispositive, negative, zero sequence impedence? How ElCB tripping if Neutral touch with ground Why AC & DC capacitor are use in UPS ? why motor rating in KW? how to syncronize two dg sets

0 Answers  

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