Answer Posted / manoj kumar

actually rating of the machine (kva or kw) depends upon the
power factor since the load power factor to which
transformer is supplying power is not known , it may be
capacitive ,inductive , or resistive that is why its rating
is in kva and not in kw

Explain mechanical rotational system?

639

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hello friends.. I have a doubt regarding the operation of dc machines.. I studied in a text book that a dc machine can be used as a generator and as a motor.. is this possible? If so,please send me the info about this topic.. you can also send your info to my mail.

1541

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Can 33kva/415v transformer be run underground? If the answer is yes why and if the answer is no why?

1175

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What is signal flow graph?

661

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WHY NUTRAL GROUND SYSTEM USED IN 33KV SYSTEM

1801

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is that any software calculator to calculate the size of cable

1870

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A 1F capacitor is charged to 100V initially. A 1H inductor is connected accros the capacitor througha a switch. The current in the circiut when the switch is closed is____

1878

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what are the components in electrical control panel (for example: 415V, 3-ph, panel to operate utility and 3-ph DG set).

1563

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how can i use REF and diffrencial relay both in 1 CT core for transformer protection?

1374

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how we can adjust for three phase motor cold stall time ,hot stall time and thermal register set up?

2515

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in ACB breaker requireding 3200Amps. buscoupler getting OFF mode and again it reset and getting normal position give me a required answer?

1843

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what is the Earth Voltages in Power Plants, Sub-stations, Industries, Residential & Commercial Buildings.

1658

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Why LED light has advantage of rapid reflection ,although other lights alse reflect.? and this light is considered to be best for transmission usage in case of Free optics

1592

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what's producer of XLPE cable laying in undergroung

1663

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Why arc quenching is used in Diode ?

1576

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