Answer Posted / k,prakashchandra

Load factor = av load / peak load 20/24 kw is the av load .
Ans is (2)

what is physical distance of isolator to VCB in 33/11kv sub stations

2124

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how to calculate the no load current in transformer?

2500

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What is the formula for selecting the cabels according to load? How to calculate what sq.mm cabel to be used?

1476

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How can we convert 11 kv to 440 volt without using transformer ?

1420

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A d.c. Shunt motor is found suitable to drive fans because they require?

1285

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how to calculate the power factor when instantaneous voltage and current has harmonics in it ?

1936

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we have earthmat at 110KV substation.we would like to take earth resistance.b some says that by connecting earth megger terminals (C1,P1) at middile point of earthmat (at riser) will cause voltage gradient at other earthmat nods and dont get exat earth resistance.when connecting at end nods will get exat value . is it correct .please explain

2208

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What is A check, B check, C Check & D check for a diesel Generat

2106

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I want formula to calculate cable size as per load given in length & amp. I searched many sites but didn't right answer. Please reply me asap.

1456

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What tests should i carry over on a newly rewinded DC Generator with voltage rating of 38 volts and current rating of 350 amps, to certify that the machine is OK?

1859

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what is cause of static electricity? I experience shock when i touch metal equipment in a room ,furher check shows earth leakage showing 80ma at the DB near to the 400 MCCB?

1880

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what is positive , negative & zero equivalent system resistance

1927

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Explain cos(theta) and Sin(theta)

2088

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can someone explain that how the speed of the protection system affects the fault level calculation?

2064

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1. Design a counter which counts 0, 4, 8, 2, 6, and repeats using: 1.a using JK flip flops 1.b using T flip flops 1.c using D flip flops

1937

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