Answer Posted / bala

In order to reduce the energy bills and to meet the load
condition it is necessary to correct powerfactor.

How does a digital electronic meter work??????

2061

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In our factory so many iron pillors are exists for supporting the shed/Hangar. If do more no of earthings at one piller instead of doing more earth pits in many locations and running earth strip around the hanger, I can save the money. Please suggest this method is acceptable as per Is specifications though the Earth resitance of the farthest piller is with in the limits as per IS specifications.

2124

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5.WHICH TYPE WELDING PROCESSES USES NON CONSUMABLE ELECTRODE.........

2093

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what is the pulse and audio frequency transformer? what is different between induction regulators and tap changing transformer?

2111

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why 15 kw motor winding resistance is low then 5 kw motor winding resistance?

2836

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Parts of machine and their discription in details with suitable photo

2063

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Why is back emf used for a DC motor? Highlight its significance.

1209

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Minimum IR value of 1.1 kv grade 3.5c (300, 240,185,150,120,95,70,50,35,25) sqmm Aluminium XLPE cable and 4c (16, 10,6 & 4) sqmm cu arm cable between RY,YB,BR,RN,YN,BN,RE,YE,BE & NE.

3346

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If an electrical component has a positive temperature coefficient, how come such components have high power losses due to heat if current decreases when resistance increases? assuming power given by I^2*R whereby the Resistance is infinite.

1080

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working principle of oil startar

1896

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why should small green grass ans small plant should not be there inside the transformer Yard in the factories

1759

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Why we use auxillary relay ? what is function of differential relay, directional o/c relay?

2199

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Please explain, how to test vector group of tranformer(Delta y1) . Thank

1701

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mccb service sittings be done?

1959

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Under wat condition statcom operates as an inductor for the transmission line?

1937

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