Answer / praveen kumar gupta

Nothing happen if earthing is firm otherwise AC and DC will
mix and give unwanted wave shape and it will be harmfull if
that wave shape is significant for the system .

How to know the following data of synchronous generator 1. D-Axis Unsaturated Reactance 2. D-Axis Unsaturated Transient Reactance 3. D-Axis Unsaturated Sub - Transient Reactance

0 Answers  

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how the speed of the gets motor regulated. does it draw the same current on the all speed level.

0 Answers   Danko,

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why are we using multiples of 11 in substation.

2 Answers  

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DG SET BLOCK DIGRAM

0 Answers   L&T,

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Define the three phase formula fuse.

0 Answers   ABC, Gayatri, UPCL,

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how can we find of cable capicity in amper?how much ampere withstand by 300sqmm cable?

1 Answers  

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whatis the test procedure for lightning arrester which was installed one year back. i want check it whether it is working or not.

1 Answers  

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How to conduct the Magnetic Balance test on Power Transformer?

0 Answers  

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How to select KW/HP rating of motor for particular application? Is there any relationship od RPM?

1 Answers  

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what happen if any one phase of a slipring induction rotor winding is open?is it start or won't?

2 Answers   Aurobindo, Hetero,

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. The string effcy in AC sys is 80% Then for same power, the string effcy in dc sys is a) less than 80% b) 80% c) more than 80% d) zero

1 Answers   Engineers India Limited,

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what happens when one of the phases out 0f 3 phases been removed under working condition and no load condition will the machine run if so plz send me why

2 Answers  

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