Answer Posted / sweety

Advantage :depending on the apllication we can use requries
voltage.So power saving can be done

why ct ,cvt should be stored in a vertical position?

2629

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why is a power transformer used only occasionally?it is used to step up at generating stations?and that needs to be done all day long !!!!!!!

1866

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Define de-sensitivity?

1125

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differnce between single acting and double acting solenoid valves

1837

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What are the classifications of heating element?

2040

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What is the unit audit? if our Max demand is something and we found much more unit then how to improve our max demand?

1946

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What is formula calculation size cable wire ?

1941

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upto how much low RPM we will run the commercial motor which is run through VFD without any problem occurs in motor.Motor rating Duty is S1 & RPM is 1400.

2138

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What is Percentage impedence of a transformer? why it is expressed at a percentage? what is the importance of percentage impedence in case of a transformer?

1873

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anyone please send transformer parameter design formulas & details of tap changer ? plz i have interview this week its more helpful for me ?

1859

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Why reactors use before incoming of ac vvfd drive?

1848

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How to calculate VCB rating for 33KV ,25 MW Power line?

1740

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What is the size of a 60 watt and 80 watt tubelight?

2162

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1 “earthing” for bonding of equipment and circuits to common plant earth electrode potential, 2 “protective earthing (PE)” when this bonding is required for personal safety provisions 3 “grounding” for interference suppressing bonding of screens, sys-tems with ground level 4. low-impedance earthing ? 5.primary earthing system and secondary earthing system what is that? 6.earthing electrode or mesh net earthing electrode ? very confusing , simple but very informative help required ? i will be very very thankful to you guys.

2063

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list the type of vfd? wich is sutable for heating kiln?

2054

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