why are using bus ducts ? why not using cables

12 Answers  

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What is the function of stater in tube light circuit?

2 Answers   SysArc,

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if 3400kw slipring motor rotor shorting done and motor started on mv drive ,what will be the rotor shoring current

0 Answers  

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What is Earth Fault and Over current Fault.

1 Answers  

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Is electro plating what type of load whether resistive, inductive or capacitive loads

0 Answers   Apollo,

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What is the out put of a CT? How the ratio is decided ?

1 Answers  

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If single phase supply is 220v. then why three phase supply is 660?

2 Answers  

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What is the similarity and what is the difference between relays and PLC?

3 Answers   NTPC,

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what is meant by VFD ?where its useful ?

7 Answers  

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Why the meters sonnected to metering core of CT are not damagedon event of a fault??? Explain the phenomena??

1 Answers   Schneider,

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Comparision of Air break circuit breaker, SF6 Circuit breaker and vacuum circuit breaker.

0 Answers   Reliance,

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What are the differences between single phase and three phase?

0 Answers   ABB, Essar,

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