Answer / deepak24

single phase and three phase system both have the same
difference in between ground and neutral.
Neutral is the return path. ground play as safety wire while
excessive current flows through the system.

Answer / anil

Neutral is return path with polarity equal to 0 whereas
earth is with negative polarity having value (-) infinit.

1.why motor rating in kw instead of KVA? 2.why alternators rating in KVA instead of KW?. 3.why transformer rating in KVA instead of KW?.

6 Answers  

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What is proximeter? where it is used and why?

1 Answers  

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what are the types used for alternator earthing,what will happen if more than two alternator is working in parallel with each having own system earthing.is there any possibility for circulating current in between two system.

3 Answers   BEL,

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can i use the six sigma method which is used in management area, in state estimation of power systems?

0 Answers  

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A IS TWICE AS GOOD A WORKMAN AS B AND TOGETHER THEY FINISH A PIECE OF WORK IN 14 DAYS.THE NUMBER OF DAYS TAKEN BY A ALONE TO FINISH THE WORK IS 1.11 2.21 3.28 4.42

3 Answers   Ramky,

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What is the necessary condition for stability.

0 Answers  

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how to find motor contactor rating and bimetalic relay rating? of 30kw motor which will operate on star-delta starter?

6 Answers   HCC, L&T,

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Make a list observation on Transformer?

0 Answers   HSL,

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i am studying in final year can i allowed for 23rd UES of Indian army

0 Answers   TCS,

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why transformer cannot rotate though the princplebehind induction motor is similar to a transformer?

2 Answers   GE,

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Whether should be the oil level in OCTC transfomer? It should be upto winding immersed completely or should be upto tap changer s/w? How it will affect the performance of the transformer. Rating may be 33KVA

0 Answers  

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define stator,rotor,excitor,rotating rectifier in generator?

1 Answers   Saudi Oger,

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