how current is reverse from its normal direction during the fault?

0 Answers   HGF,

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Generally transformers has delta primary and star secondary. But in some transformer i saw Star primary and delta secondary. what is the reason for chosing like this?

2 Answers  

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How can we get d.c series motor characteristics by using a.c induction motor?

1 Answers   IIT,

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in india ac frequency is 50hz, but in foreign countries it is 60hz,whwt is the reason

9 Answers   SVIT,

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why capacitor rating measure in KVAR. ?

2 Answers  

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How would you supply a single house hold load from a 3-phase supply coming out of a sub-station?

4 Answers  

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how does it help for selection of a transformer.

1 Answers   Reddy Labs,

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How many types of DC current

2 Answers  

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Why we use a H.T. Fuse from a thick wire, on other side we use high rating of cables? & Why we use less Sq. mm Cable on H.T. side , on other side we use Large Sq. mm cable?

1 Answers  

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if we going for high voltage usages what are the considering factors, why those factors are effected.... please give me an answer related motor factors like wnidnig, frame, temp etc

1 Answers   ABB,

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What is the formula for calculating no-load current?

0 Answers  

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What is the PIU.

1 Answers   Jindal,

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