Answer Posted / dinesh kumar

whatever the power rating, the conservator should contain 8%
of the oil in main tank

it is applicable to all transformers.., similarly the OLTC
conservator should also contain 8% of oil as in OLTC tank

What are the advantages and disadvantages of short-pitched winding?

610

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From past few months I am getting lagging pf even though sufficient capacitors used in circuit. Where is the problem pls answer

941

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Igfet is a

1202

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1.what is the difference between ct and cvt? 2.what is the difference between pt and cvt? 3.what is the difference between relays and circuit breakers?

2290

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what are the preventive maintanance actions taken for air circuit breaker? please answer me

1564

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Comparision of Air break circuit breaker, SF6 Circuit breaker and vacuum circuit breaker.

1938

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in dc series motor if field wdg is shorted then

1445

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11 kV line deraction check by an Engineer.

1525

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Whats the difference btwn a latch, port,data bus buffer? Do they all not hold data in d flip flops??

1967

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DRAW ACIRCUIT DIAGRAM OF 100 KVA 415V/55-0-55V DELTA TO STAR TRANSFORMER

1617

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1. Can a 12v DC choke operate a 60v/12w PL lamp ? 2. Can a 230v ballast fire / operate a 60v/12w PL lamps.

1769

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What will be the impact on motor performance if a LT motor is rewound with changed motor winding data as given below:- Original winding data: total 04 wires = 02 wires of 17 SWG + 02 wires of 16.5 SWG. Changed Winding data: total 03 wires of 15.5 SWG wire size Motor rating: 160KW, 740RPM, 415V, ID FAN application. Normal Running Current = 95% of FL Current.

1592

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What is the effect on power factor, shown by a trivector meter; incase of reverse phase sequence. If the power factor of a system is lag what meter will show in case of reverse phase sequence connected to the meter. and What in case of lead.

1821

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how solar power plant energy meter multiplication factor

1600

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1 Ton is equal to how many watts?

675

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