sir what is the minimun earth resistance value of an industial bit and grid bit ? and Why?

1 Answers   Kirloskar,

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why using earth testing rod 15 meter 30 meter long to each other?

1 Answers  

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Is there is any difference between AC and DC Cables

1 Answers  

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what is bus post insulator and its applications in substations

1 Answers  

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what is diffrential relay used in generator plz give brief explanation

4 Answers  

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why transformer rating is in KVA?

4 Answers   ABB,

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if single phase is 230 v three phase is 440 v then what about two phase?and why is it so?

2 Answers   Eicher,

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What are root loci?

0 Answers  

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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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I have 480V Single phase and I am trying to figure how big of a transformer (KVA's) and Primary breaker size I need to provide 200 Amps at 240V for a building.

1 Answers   Wipro,

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is starting current of induction is high or stating current of ransformor is hign ,for the same rating

12 Answers   BARC,

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which protection used in power plant?

0 Answers  

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