Answer Posted / ashok

the power supplyed in electrical equipments is star or delta
.so star,delta having three or four phases.

Minimum IR value of 1.1 kv grade 3.5c (300, 240,185,150,120,95,70,50,35,25) sqmm Aluminium XLPE cable and 4c (16, 10,6 & 4) sqmm cu arm cable between RY,YB,BR,RN,YN,BN,RE,YE,BE & NE.

3401

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How much costly in percentage wise is sandwich busduct costly than air insulated busduct of any rating?

1844

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What the main causes of transient interruptions on Over-Head Distribution Lines?

2196

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An 8 pole, 50 Hz, 3-phase IM is loaded to a poing where pull out torque will occur. The rotor resistance per phase is 0.3 ohm and motor stalls at 650 rpm. The slip when motor stalls is A 1 B 0 C 13.33% D 10.33%

2015

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Hi,I am working in abroad for more than 3 years in a company operating with 11kv and 6.4 MW power. I need c licence in India,can I? some other says only i can get if i work for 2 years in india only! anybody kindly clarify by doubt.Thanks

1901

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What is the fault or needs to be done when frequency in ac drives is not changing?

1718

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Define settling time.

1212

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What is super thermal power plant? and how it will differ from normal thermal power plant

2334

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Define damping ratio.

1308

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I am doing apprenticeship training at HT switch yard in NLC. How can i get electrical c license. ??? What r the rules for getting it as an apprentice? ??

1895

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Why front mounted CT polarities are always towards breaker?

2058

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Difference between earthing & grounding.?

2242

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I want to design a heating coil of 80/20 nicrome for 3.5KW please give me the calculations choosing for physical dimensions assume coil voltage will be 110V AC assume necessary conditions

1654

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Is single load(eg: three phase motor) having all the components like positive,negative,zero sequence components during fault condition?

1884

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Explain the operation of grid connected central solar inverter ?

1581

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