Is Neutral earthing necessary for single phase system or Genset? if yes or no then why?

1 Answers  

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is there any chart showing the suitable cable size according to AMP and length ? for three phase motors

0 Answers  

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what is the diffrantial relay???????why we use it on the MDB

5 Answers  

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What is the functaion of IGBT in UPS system?

1 Answers  

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What are the maximum and minimum ratings of MCB,MCCB,ACB,OCB,VCB and SF6 breakers?

2 Answers   ABB, SK E&C, Sodexo,

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what is the difference between active power and reactive power and apparant power in practical as well as theoritical

0 Answers  

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if we convert kw into Ampers,which one formula use by us,pls tell me?

9 Answers   ABB, Essar,

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how to converate kva to kw ?

4 Answers  

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Why grables are put in substation?

1 Answers  

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7. A resistance of 30 ohm is connected across 240v supply. If a resistance R ohm is connected in parallel with 30ohm resistor across the same supply, the current drawn becomes triple of original one The unknown resistor R is

2 Answers  

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What is the basic difference between earthing, ground and neutral?

11 Answers   Balco, Cognizant,

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how does the rotating m.m.f is produced in the 3-phase induction motor and how the poles are created in 3-phase induction motor ?

0 Answers  

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