how do you measure earth leakages in 3phase wires?

2 Answers  

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sir i am apearing for nic exam.i dont know exam pattern.can you please send me some model papers

0 Answers  

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how much maximum load a 2 core (Single phase) 16mm aluminium wire can take ?

0 Answers  

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1.main parts of generator? what is used A-check,B-check,C- check? 2.what is FM200 system in data centers? 3.difference between pac,ahu?

0 Answers   TATA,

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What is electrical earthing?

1 Answers  

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Can u tell me design of switch yard

0 Answers   NTPC,

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what happens if we connect two parallel ideal voltage sources across resistor?what is current flowing through resistor?

2 Answers  

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Double Busbar Scheme for outdoor switch yard system (132kv) step up power plant Hi friends 1. in this system both busbars energized all the time. 2. what is the meaning of main BB and transfer BB, 3. step up transformer connect main bus bar all the time or both BB connected through DS switch . 4.bus sectionalization means ? thank you.

1 Answers   ABC, Gael,

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What will be the output of an alternator ,if the field current is single phase ac supply.

1 Answers   DRDO,

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how can we calculate the cooper armed cable size if the protection load of main fuse is 80 ampere.

1 Answers  

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what is 33 /11kv transformer bdv

8 Answers   NMDC, TPPL,

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What is Vk and Imag i.e Knee point voltage & Magnetising Current? How to calculate above values? How to define accuracy class 5P10?

7 Answers   Deccan Cements, Doosan, Torrent Power, Transco,

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