Answer Posted / ravikumar.g

If the transformer oil dielectric strength is low we do the
Oil Filtration. ofter the oil filtration we tested the oil
by using the testing unit it will show 80 KV. if the oil
was fulley Carbonised so we have to replace the oil.

What is electrical diversity factor in electrical installations?

665

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What is marx circuit?

647

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How to select the proper VSD to operate high inertial load

1273

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can a 150 kva 3 phase 440v/230V delta-wye step down transformer can be use as step up transfoermer with connected loads at 440v side?

1251

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Cables Construction hi friends, 0.6/1/1.2 kV LV , DC and Control cables are concentric copper conductor what does its means and what is the use of concentric copper conductor,and are this with copper tape shield or copper screening, ? thanks

1292

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Define ampere

707

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What is the function of Governor in Hydro Power Station? What is the Function of Lightning Arrestor Voltage Transformer (LAVT)?

2356

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Installation resistance for whole installation of 16 kva & 25 KVA DTRA a) Between each conductor b) between conductor to earth c) installation resistance for each apparatus, each conductor to earth d) earth resistance for the system of earthing

1458

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how to find out cable size if load is 2800 watts, 230 volts AC supply and load distance is 1800 meters

1083

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If VFD is On but no starting commond on it. so how many outpout voltages of VFD

678

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How we can recongnise the phase displacement of transformer connection between primary & scondary...plzzz explain it with example.........

1932

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Why is the frequency not changed during transformation of electrical energy in a transformer?

832

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Please send 110 kv sb station full single line drawing(sld)

2054

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What is control system?

711

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any one guide me to reduce the power factor of diesel Generator from 0.97 Leg to 0.8 Leg.with out any change in my load.

1209

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