Answer / Anuj Kumar Puniya

The phase sequence of a double circuit transmission line is reversed between the two circuits to reduce the likelihood of damaging equipment due to differences in phase sequence between different parts of the power grid.

Multi-step core is used in transformer to: A) Increase the output B) Decrease the cost of core material C) Decrease the cost of copper D) Increase the efficiency

1 Answers   Accenture,

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do we need NGR panel when the output of the genset is LV but after that it is step up to 22 kv. condition is 12 genset 400v are operating in parallel.

1 Answers  

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expalanation for 5p10 class.

6 Answers  

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Why the brushes used in dc machines are made of carbon not from other metal?

3 Answers  

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What is AVR? Explain the function AVR?

11 Answers   HSL, NHPC,

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how can calculate resistance box for 15 kw, 6 pole, RV-230, RA-42 motor

1 Answers  

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What is the harm if we install primary side 11 KV VCB at a distance of one Km from the 11/3.3KV 12.5 MVA transformer through 11 KV cable.

4 Answers  

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What is the actual formula for transformer short circuit test? below i given rating of the transformer.. 1000KVA, pri 11KV, Pri amp 56A. %Z 5.95..

2 Answers  

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How does a diesel generator works?

1 Answers  

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Draw SLD feeding from the SS up to distribution board of the load, calculate cable size, breaker sizes, and meter for the following case: Ground Floor: electric room, pump room, 5 shops, each is 15 KW First Floor: 5 shops, each is 15 KW Second Floor: showroom 30 KW Service Loads: water pump 3 KW (3ph) , fire pump 3 KW (3ph), and one DB service 12 KW (3ph).

0 Answers   FEWA, HMK,

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During Millivolt drop test current leads are applied in the extreme ends and voltage leads are given just before the current leads.. what will be the difference if voltage leads are given in the extreme ends? and why?

1 Answers  

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what is the use of the puls transformer in UPS & how it works???????????

1 Answers  

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