(1)For 3 No 1500 KVA transformer require on one single bus bar or need to be section through bus coupler means upto 3MVA.(2) 22KV Net work system as ring, How maney I/C required or 0ne I/C and one O/G.(3) What should be rating of VCB for 22 KV line.(4)Electrical/mechanical inter lock, why we need.

0 Answers  

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Corona occurs between two transmission wires when they (a) are closely-spaced (b) are widely-spaced (c) have high potential difference (d) carry d.c. power

2 Answers   Power Grid,

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why a bulb glow when connected with two end phase and neutral respectively.

1 Answers   ACME,

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oil cooled transformer

0 Answers   Jindal,

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What is the purpose of shunt trip in ACB function?

1 Answers  

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what happen if the secondry winding of the transformer is having less no of turns compare to the primery winding.

2 Answers  

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derive the formula of amp hours is calculated for 12v battery.where no. of plates is given

1 Answers  

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what is the best electrical system i.e substation sytem of 11kv/.433kv for a township. if township have 300nos substation of 11kv. we have to go G.O.D.O. fuse unit or Compact Substation Unit. please reply Asap.

2 Answers  

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how to synchronize 4 nos. of diesel generator sets of different capacity (kva)?

7 Answers   Bhel,

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what size of copper busbar use for 11kv 630A

3 Answers   ABB,

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use of choke in APFC panels

2 Answers   Kemrock,

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why -48 volts dc used in telecommucation

0 Answers  

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