Answer / jithendra

86

Answer / joy

94

what is leading and laging please in details

3 Answers  

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why we are giving D.C. supply to field of an alternator, why can't we give the a.C. supply

12 Answers   APTransco, Proman,

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what is the earth current,reverse power,electrical trip generator short circuit,low voltage, high voltage please discribe me

0 Answers  

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if the voltage across the lamp drops by 1%, the power drawn will be reduced by how many %?

5 Answers   PSPCL,

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what is the constructional difference between a power transformer and potentian transformer?

0 Answers   BTM,

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It is desired to flood light the front of a building 42 meters wide and 16 meters hig.Projectors of 30 degree beam spread and 1000 watt lamps giving 20 lumen/watt are availabl.If the desired level of illumination is 75 lumen/m and show a suitable scheme.Assume the cofficient of utilization, deprecitation factor and waste light factor are 0.4, 13 and 1.2 respectively.

0 Answers  

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PLC Based Process Automoation Panels?

2 Answers  

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Help need in transformer !? Hello Friends The parameters of 2300/230 v 50hz t/f is R1=0.286 ohm R`2=0.319 ohm Rc=240 ohm X1=0.73 ohm X`2=0.73 ohm Xm=49.2 ohm Secondary Load impedance ZL=0.387+J0.29 solve the exact equivalent circuit with normal voltage across primery.. I know every thing but i cant find CURRENT I1=? and I`2=? Please help me give solution or only Formula please please...

0 Answers  

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When to use Oil Transformer type and When to use Dry type? What is the difference between both?

2 Answers   ABC,

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what is the function of switch gear ?

10 Answers   Exxaro,

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What is the purpose of SOTF being used inspite of distance Protection given?

7 Answers   Alstom,

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What will happen if I apply DC to AC transformer? please send detailed answer at habib_rahman_habib786@yahoo.com

4 Answers  

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