Answer Posted / raki

in leading pf curren will have more harmonics

can i use 4 number of circuit breaker as single phase manual change over switch? if yes then how plz also send ckt diagram at nazimzamurad@gmail.com

2132

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Why earthing is necessary for any equipment?

1727

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i want use the cable size 16cx4 core aluminium usege watts 240x2000w this cable size is correct?

2205

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Electronic circuit

1040

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what is the ckt diagram of a tubelight and is it the simplest ckt of electrical engineering and also the component?

2391

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1. Can a 12v DC choke operate a 60v/12w PL lamp ? 2. Can a 230v ballast fire / operate a 60v/12w PL lamps.

2204

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Suppose a 3 phase, 2 pole, 440V induction motor is driving a flywheel of 600mm diameter, 150kg mass. By using v-belt and pulley, the speed is increased to 4500 RPM. What will be the effect on motor current?

1414

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Why the frequency of ac in india is 50 hz but in some other countries it is 60 hz.

2137

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how dia of wire and angles are calculated for overhead shielding wire to protect substation equipment from lightening strokes???

2031

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what is the working principle of a DG Set, Alternator, & exiter

10224

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what are factors to be consider in electrical installation like load factor,diversity factor .....

1817

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in control panel, how can i measuring the distance between one bus bar to another bus bar. then now only for bus bar. in mpcb and contactor also. that means one mpcb to another mpcb how much distance? how can i calculate that.

2381

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how the synchronizing is obtained at bus couplers in grid substation? (because there we cannot change the frequency in one of transmission lines like in generator synchronization)

2376

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redundant connection in contactor?

2509

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Brushes are placed at magnetically neutral axis,when brushes reach that point,the armature conductor gets shorted,but it can be seen that the dc supply is also shorted,wont that get damage? help me plz

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