what is called star connection and delta connection also purpose of this connections?

3 Answers   Siemens,

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What is difference between insulating medium and fault current interruption medium in a switching device.

0 Answers  

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how to determine Sq.mm size of finolex power cables.

0 Answers   Finolex,

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explain impact of tariff on energy management..? and what is ABT tariff

5 Answers   TCS,

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In Air circuit breaker LSIG protection unit is used. Without fault in cables (2 runs 3Cx150Sq.mm Copper, 1Kv grade, XPLE armored cable IR value is more than 550Mohm @ 500V Megger) and load section Long time Overcurrent protection is triggers and trips the unit. We changed LSIG protection with new factory tested unit. Even then fault is persisting. Please suggest the possible causes

0 Answers  

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why are transformers rated in KVA and not in KW

8 Answers   ABB, Bosch,

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why do harmonics generata?

1 Answers  

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What is core balancing in Power Transformer. What is the affect of an unbalabce core.

1 Answers  

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What is the operating range of voltage and current in grid supply in India?

4 Answers   BARC,

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What are the three constants associated with a steady state error?

0 Answers  

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HI FRIENDS,MYSELF & MY GROUP OF FINAL YEAR ELECT ENGG. ARE MAKING A 50/3HZ,5HP,1000RPM,440V SALIENT POLE SYNCHRONOUS GENERATOR.COULD ANYONE OF U TELL ME WHAT COULD BE THE ADV. & DISADVANTAGES OF MAKING SUCH A LOW FREQN.GENERATOR/

2 Answers  

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where do we connect tap of tap changer, to H.V. side or L.V.side? and why?

5 Answers   Vedanta,

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