Answer Posted / jagadeesh

http://enggmcq.blogspot.com/2009/09/electrical-1.html

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i want to run 11kv star connected motor in 6.6kv with delta connected throught inverter, is it possible?

2036

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Application Comparison between 22KV (UE)and 33KV (E) system. Are we allowed to use 33KV (E) cable in lieu of 22KV (UE) cable. What are the technical disadvantages.

2815

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what will happen if ac and dc supplies given

2131

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How many turns are there in primary winding? (In Transformer)

1706

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what are the 4 rules to start the motor?

2120

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If we need 4c× 50mm sq cable but it's not available so we can pull 4c×25mm sq two cables?

1416

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State thevenintheorem?

1059

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am commissioning the trafo without connecting the neutral therefore unbalance will occur what is the alternative solution for this?

1866

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WHAT WOULD BE THE FORMULA OF WIRE GAUGE FOR A FULL LOAD CURRENT

2318

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

1654

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how to compare with Relay settings for HT< panels, RMU panel, and PSS CSS transformer?? 1) Load amps, 2)Tripping time, 3) CT ratio, 4)Cable size 5) Transformer KVA rating 6) transformer full load amps

1260

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what is the difference between pvc & fiber glass cables

1563

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what is thresold of perception

2075

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we have require a Motor (1500kW, 6.6kV, 50Hz) which shall operate at 1500rpm during 30min and after it shall run on 500rpm during 15min. The same cycle shall be repetitive during the whole working days. Which method is best and economic to achieve such type of task. VFD, VVFD, Pole changing motor etc.

1918

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I am applying for NTPC examination.Can we please provide previous paper to my mail prasad.chintala108340@gmail.com

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