why Transformer and DG rating capacity is in KVA

4 Answers   ACC,

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what is the problem in manufacturing transformer with 0 degree phase displacement.???why alwasys go for DYn11 or DY5?Whys not DY0 i.e zero degree displacement between primary and secondary side vectors?

3 Answers   Bhel, dpdc, Prime Electrical,

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What is meant by turbo alternators?

0 Answers  

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What is the current flow in 230v ac supply ? What is the current flow in 415v Ac supply ?

6 Answers  

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When star connection of motor is use?

1 Answers  

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which is the most advanced form of SF6 BREAKER?Can we use other gases to quench the arc?

0 Answers   TATA,

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What is the required bending radius requied at the time of cable laying?

1 Answers  

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what is the diff of mcb and mccb

2 Answers   NSN, Sterling Wilson,

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What makes the difference between 50Hz supply and 60Hz supply which one is economical? What is the use of using increased frequency?

5 Answers   ABB,

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WHY THE FREQUENCY IS 50 HZ IN INDIA.CAN WE USE SOME OTHER FREQUENCY.IF SO WHAT IS THE RANGE AND WHAT WILL BE THE EFFECT IN PRESENT POWER SYSTEM IF WE CHANGE THE FREQUENCY AS YOU SUGGEST ?

32 Answers   L&T, MCL,

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how does an open delta transformer works

2 Answers  

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How many types of protection relays are there based on the characteristic?

0 Answers  

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