explain the process of commutation in a dc machine. Explain what are inter-poles and why they are required in a dc machine.

0 Answers  

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Please mention any books for electrical design load calculation for industrial,commercial(to select cable,breaker,bus bar,stator,)

1 Answers   C&S,

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HOW many type of Circut Breaker in the world used in 400 kv substation?

14 Answers   Power Grid,

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In which of the following case, the rotating magnetic field is reversed? A regenerative breaking B plugging C dynamic breaking D forward motoring

0 Answers  

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I have 380.KVA DG set how to Calculate the units from DG.

2 Answers   Ozone Pharma, Sperry Plast Limited, Sterling,

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can we use ZNyn11 transformer instead of Dyn11 transformer in distribution for effectively eliminating harmonics from the industrial loads.

0 Answers   DEWA,

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why on delay timer used for fully automatic star delta starter?

0 Answers  

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what is the disadvantages of star connected alternator?

4 Answers  

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what is the best way to start a 15 KW motor for pump star-delta or direct on line ? and from how many KW i must use direct on line ?

1 Answers  

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Can anybody explain Why starters are not used for motor starting in industries?

9 Answers  

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Why Ferranti effect is occoured in leading power factor load in a overhead transmission line?

1 Answers  

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what is difference between earthingpits,earthing grid & earthing mess?

0 Answers   TATA,

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