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measurement of frequency across supply

Why CT secondary should not be kept open?

7 Answers   Anna University,

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URGENT PLEASE//////////A WORK SHOP IS HAVING A 100 KVA TRANSFORMER 11KV/415 VOLTS, AND THE CONNECTED LOAD OF THE WORK SHOP IS 80 KW WITH INDUCTIVE LOADS, LIGHTING LOADS,ETC., HOW MANY EARTH ELECTRODES ARE NEEDED AND WHAT IS THE EARTH RESISTANCE OF EACH EARTH ELECTRODE AND COMBINED EARTH RESISTANCE in normal soil. AT 11 KV SIDE AND AT LT SIDE. HOW TO CALCULATE.

1 Answers  

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diff. between star, delta connection?

4 Answers  

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how rating of transformer is selected for any new plant/what kind of load is cosidered/what kind of fadtors are considered/ pz give standard procedure

2 Answers  

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there is an alternator 480 k.w, 400v,50hz, 4-wire running on load having leakage alternator body earthed current 38 A. is it within acceptable limit? if yes then give reference if no then how to bring within specified limit

0 Answers  

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How star and delta connections inherently eliminate triplend harmonics?

1 Answers   Blue Star,

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What's the difference between a generator using 50Hz and 60Hz? When do we need to use a generator 50Hz and 60Hz?

3 Answers  

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For fixed primary voltage how does secondary terminal voltage of a transformer change if the pf of inductive load is raised from 0.7 to 0.9 with load current remaining fixed ?

1 Answers   GATE,

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how power is generated,and transmitted to our home..pls explain briefly in simple words.

0 Answers   HAL, Subros,

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whatis the difference between electrical and electronics?

11 Answers  

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Whats parameters which we keep in mind when grounded any electrical machine.

1 Answers   Essar,

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What is the function of the exiter in DG.

3 Answers  

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