Answer / arfan bhutto

The PMG provides power for the excitation of the exciter
field through automatic voltage regulator (AVR).
As PMG rotates,magnatism produces AC voltages.this AC
voltages given to AVR.
The output of AVR is DC voltages.

50 electric bulbs are connected across supply of 220 volts. After one bulb is fused remaining 49 bulbs are again connected to same supply. which case will have more illumination & WHY????????

5 Answers   KJ,

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difference btw neutral and ground?

2 Answers   ERG,

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what is mppt (maximum power point tracking ) and how they used in solar power generation ??? what are the main components used in mppt?????

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defined power system?

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Is an SCR semi controlled device?

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How much allowable difference current between on three phases Dear sir, We have a 1870 KW HT motor, 11 Kv supply,FLA-120A,2870 rpm,2-pole squirrel cage induction Motor.And stator is connected in star connection with Liquid resistance stater to limit the starting current.It has coupled with Centrifugal air compressor.My question is it is loading 73% of FLA taking R-phase 86.7 A, Y-phase-85.4A,B-phase- 78.3A.why the B phase current is that much of difference.Is it allowable, or any one tell me how much allowable current.If any method to calculate.

1 Answers  

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If I want to lift the water at a height 50m from ground level through two inch(diameter) metal pipe then what is the capacity of motor pump is required? is it possible in single phase supply or not?

0 Answers  

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