in transformers for ex. 100mva and 400kv the secondary current is about 420 amps but for selection of bushing the capacity of selected bushing is 2000A why there is such big difference ?

2 Answers   ABB,

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.if the vector group of two transformers is not same n tey r connected in parallel operation then what will happen?

2 Answers   ABB,

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I have a situation to design sub-Distribution board/Panel meant for feeding power sockets. In the incomer CAN i Take TP MCCB with Neutral Link and All the outgoing feeders with to sockets with TP MCCB and Neutral Link? P.S : My System is IT Earthing

0 Answers  

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How to calulate Voltage Drop for perticular lentgh of busbar (Cu/ Al)?

1 Answers  

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why cont we short earth and N.......?

3 Answers  

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The power dissipated by a resistor of 10ohm when a current of 2A passes through it is:(a) 0.4W(b) 20W(c) 40W(d) 200W

2 Answers  

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how can we make cable shedule for controll wiring ? which details must be required for it.?

0 Answers   L&T,

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What is the formula to calculate the size of Aluminium and copper cable?

0 Answers  

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How many earthing pits required for diesel generator set ? Why ?

1 Answers  

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why transformer rating is in kva?

11 Answers  

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what are different types of alternator and discuss about the methods of cooling

16 Answers   Bhel, Jindal, L&T, Nalco, Vedanta,

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IN 6.6KV 3 phase switch gear .i will give 6.6kv to R phase only to earth in during H.v testing (through H.v KIT).what happen remaining phases.how much voltage get remaining phases.why? explain.

1 Answers  

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