Answer Posted / arunkumar

for 3 phase 3 ct's are used and for each ct one incoming and one outgoing terminal is their. 3x2=6 terminals

When a square wave is applied to primary of a transformer then what will be output wave form of secondary ?

2028

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Explain Need of a starter in a dc motor.? Also explain any two starting and speed control method of dc motor?

1671

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how maney type tempereture measurement ?

2201

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When the relative speed between the magnetic fields of stator and rotor does is zero under steady state operation?

1212

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Please define ampere?

1058

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why zero sequence impedance measurement is not applicable for single phase GT

2134

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how does directional relay work incase of ac ?

1447

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all interview questions with answers of ntpc (2000-2009

2166

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(1)The demand for electricity , the amount of renewable generation available, the amount of fossil fuel generation available and the cost of the fossil fuel generation are shown in table below period(hrs) demand(MW) renewable (MW) fossil- fuel(MW) cost of fossil fuel(MW) 00.00 - 01.00 2000 1800 2000 30 01.00 - 02.00 2300 2500 2000 30 02.00 - 03.00 2500 2700 2100 45 03.00 - 04.00 2900 3100 2100 50 04.00 - 05.00 2700 2600 2500 45 05.00 - 06.00 2400 2000 2700 50 06.00 - 07.00 2200 1800 2000 36 07.00 - 08.00 2100 1600 2000 36 Assuming that the renewable generation incurs zero cost, determine an optimal generation schedule(specifying the amount of renewable generation and fossil fuel generation used in each period, the cost for each period and the overall cost for 8 hours.)

1796

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What is a dc motor?

1105

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full form of flry b

4112

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what is vA rating and class of a ct.

1811

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how does a submersible pump work..?

1823

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What was the Dg set radiator and lube oil temperatures trip in ACB

1778

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in dc series motor if field wdg is shorted then

1803

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