Answer Posted / sandeep

cos pi=active power(kw)/apparent power(kva)
if load increases current increases then kva increases

Difference between Earthing Truck & Earthing trolly for HT panel

4340

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Why the field rheostat is adjusted such that the voltmeter reads 380V

2233

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Name the types of motors used in vacuum cleaners, phonographic appliances, vending machines,refrigerators, rolling mills, lathes, power factor improvement and cranes.

1099

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how was your last weekend.

1738

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how to test reverse power trip?

4418

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How much minimum insulation required between 11kv/3.3kv transformer windings?

2378

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how to determine ct ratio in ht vcb?

1775

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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.

2326

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why we use Test Terminal Block in 11 KV and 33 KV electrical panels.

1326

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Battery is a voltage source? give one example of current source and why?

1535

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Distribution transformer we provided 2 separate earthing pit for Body and 2 separate earthing pit for neutral,we can not connect separate body earthing pit to other earthing pit but we do metal glanding in secondary side cable termination in both side, transformer and PCC panel (LT Panel), is this safe for transformer and other equipment?

1677

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In both 600/1000 V cable and 450/750 V cable, we can supply 415 V. However for distribution, all utilities are using only 600/100 V instead of 450/750 V. What is the reason?

1923

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how hazordious area is classified at an oil & gas plant and categorise suitable class of electric equipment in that area like induction motors, LCS, Lighting Fixtures Fluerescent/Flood lights Mercury& sodium lights, J.Bs, Power Cables etc

1793

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Is there any abbrevation for STUB in Stub bus protection

1887

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what is difference between 9kv 5ka surge arrester and 9kv 10ka surge arrester.

1792

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