Answer Posted / anil vasu

Float voltage is the voltage applying to the cells to prevent self discharge. boost voltage is the voltage applying to the cells for charging after a discharge.

when we have to use UPF wattmeter and LPF wattmeter? what is the difference between UPF and LPF wattmeter in terms of construction?

2488

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what is the standard values(Megger test) of resistances between L&N,L&E and N&E for a system on IEE regulations?

2258

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Is potential difference materials property ..? if yes tnen how.. explain brifly.

2044

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What is the power factor of an alternator at no load?

1327

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what is p.s impedance measurement test in earthing transformer?

2401

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why are u join ntpc

2148

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How to design a Unit auxiliary transformer for a power house having a unit of 65 MW and Generating voltage of 11 KV and Secondary voltage of 433V

2128

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What it the purpose of parallel phasing transfomers??

1982

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Is it required to lay 2 runs of GI wires along with armoured cables from one power DB to another Power DB?

1936

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Explain Circuit Breaker Trip Characteristics in detail.

2130

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im working in one private compeny in gujarat. i was complet diploma electric in 2010 from gujarat technical board. now i want electric supervisor licence in gujarat but i dont't know when i apply? plz give me address of the licence dippartment office in gujarat. gandhinagar

1854

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for 100 HP Induction motor service factor is 1.2(SF) we placed a VFD at the motor side load is balance with 0.3 Amp's Phase to Phase but at incoming of VFD load is un-balance with 10 to 20 Amp's what will be cause of load un balance

1942

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Following test should be conducted to find out relative polarity of transformenr terminals A no load test B back to back test C phasing out test D none of above

2212

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how to control dc motor?

1906

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what is the diference between the 4pole & 6pole DC Motors & what is advantage 6pole over the 4pole ?

1998

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