is there any difference between protection C.T and measuring C.T?if yes then what is the difference?

4 Answers   BARC, Century Rayon,

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What is Harmonics how it is produced and what is the method to control the same

0 Answers   Siemens,

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how do we calculate length of starting time and repeated starting of a direct online starter?

0 Answers  

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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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Can anyone explain, How will get positive to ground and negative to ground reference voltage in dc system

1 Answers   NCC,

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what is VFD and where is use of it

5 Answers  

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what is broken conductor indication

3 Answers   KPTCL,

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If a 1.5V,3W torch light bulb is connected in series with a 15HP/11.19KW,230V single phase motor and the combination is connected against a 230V supply and switched on than what will happen keeping all other parameters as it should be A)the bulb will glow normally B)the bulb will not glow C)the bulb will glow with extra brightness D)the bulb will burn out and if a fuse is connected to the above circuit will something happen to the fuse and what about the single phase motor will it be affected? Please explain with derivation

4 Answers  

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what is the meaning of improving the power factor (give technical ans not therotical)

2 Answers  

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working principle of generators?

4 Answers   Adani, MahaGenco,

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discuss thyrister convertor type of AVR.

1 Answers  

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why the efficiency of the dc machine is high ,when it is operated as a generator?

3 Answers  

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