Answer Posted / s raghavendra

we use ac and it is of sinusoidal in nature so for it form factor i.e, the ratio of RMS to Average value is 1.1 so in power systems 1.1 multiples are used....................

whats the existence of reactive power and when it arises?

2169

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TRANSFORMERS WITH DC SUPPLY

2121

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hi frnds can any one help me ? plz send me placement paper of IOCL of Electrical streem .... plz send ....its urgent....

1774

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How to design the NGR Resistance

2131

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

2154

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any one can explain what is the size of pvc,armoured, various sizes of powr cable dia?

1961

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what is difference between cpp electrical system and refinery electrical system

2351

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How to checked frequency drive output voltages?

1244

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Draw a circuit diagram in which if button is open we can use socket and bulb as a series test circit and if button is close than simple we can use socket as any load purpose.

1920

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Can any body tell me about INNER SHUNT COMPOUND MOTOR diagram?

2170

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A Question Like A Wire Is Wound Whose Resistance Is Some 132. 44647 Ohms. If A Voltage Of 30 mv, 296 Ma Current Is Applied To It What Is The Resistance.

1117

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What is the ideal position cooling fan inside the dc motor?

2139

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What are the main faults of DC generators?

3062

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how to measure the transformer resistance values(dyn11)?and howmuch the minimum value?

2187

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i am an maintenance engineer. one distribution board have 5 feeder. recently its ELR trips frequently, but it take some times after trip( 10min,20min..)but 3 feeder no load. two feeder only loaded. i checked one feeder IR value all values are above 50Mohm.but B phase to Earth is only 9Mohm.any problem about low value

1991

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