Answer Posted / amrendra

electronic is a device in which or it is basically low
power device.
electrical device needs more power with respest to
electronincs device.

Why 30kw 40 hp 4 pole 3ph induction motor over heated?any steps on reduction in heat?

1616

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I have one ct of ratio 3000-2000/1 Amp its knee point voltage mentioned on name plate is 500-333/30mA-50mA at Vk/2. in secondary box there is three terminal named 1S1, 1S2, 1S3 then on which terminal obtained the knee point voltage ie 1S1-1S2 OR 1S1-1S3 & also specify the knee point voltage for the ratio 3000 from name plate.

2389

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How to calculat the ratio of HT\LT in energy meter

2627

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I have motor of 3 H.P. How i found the rating of capacitor use in it in single phase motor..???

2572

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how the inner and outer body is separated in aircrafts?

1028

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A 230V dc shunt wound motor has an armature resistance of 0,15Ω.When operating on no load at 650 rev/min the armature current is 6A . The motor takes a full load current of 85A. Calculate the full load speed if the field flux is (i) maintained constant (ii)reduced by 0,03

1956

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I have a reading off 1.5ohms at my mem my main c/b is rated at 40/6 amps in a domestic house and i was told to change it to a b curve c/b is this ok

1608

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Why power factor should not be in leading (capacitive) mode of any load.

6852

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Explain about technical and non technical losses in distribution system?

1016

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main difference between ac and dc?

1652

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why we use circuit breakers for switching instead of normal switching device?

1822

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what does vector group Dyn11 tell us? also tell me how will u differentiate between phase lead and phase lag thru this vector group

2028

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Zone of protection and tripping scheme of arc protection relay.

1815

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If one lamp connects between two phases it will glow or not?

1030

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WHAT KIND OF LIGHTENING PROTECTION SCHEMS CAN BE ADOPTED FOR THE FLAT ROOF OF BIG DIMENSION.

2068

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