what is the function of AVR in generator? how the generator maintain the frequency while varies the load?

1 Answers  

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Multi-step core is used in transformer to: A) Increase the output B) Decrease the cost of core material C) Decrease the cost of copper D) Increase the efficiency

1 Answers   Accenture,

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How CFL &T5 tube light glows?

0 Answers   HAL,

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what will happen if synchronous machine rotor fed from single phase ac supply 

0 Answers  

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A TRANSFORMER 440/400V,DELTA/STAR CONNECTED.THE NEUTRAL CONNECTED WITH GROUND CABLE THAT IS DIRECTLY CONNECTED TO THE PANEL,FROM PANEL IT IS CONNECTED EARTH PIT.IS IT RIGHT? IF IT IS RIGHT LEAKAGE CURRENT AFFECTED.SECONDATY IS PROTECTED WITH EARTH LEAKAGE RELAY.

0 Answers   Jindal,

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Why is shaft current insulation required on large motors & when should it be checked i.e. before or after assembly?

2 Answers   Aramco,

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Why we use ups battery and dsdb battery in thermal power plant

0 Answers   MDeC,

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why there is a fault occurs, if a phase wire touches ground.. and the fault not occurs when we connect a bulb between phase and ground..??

1 Answers  

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what is the meaning of pi value?

1 Answers  

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what material used made for the resistance,for the purpose of zero temperature coefficient?

2 Answers  

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What is OLTC in a transformer, specify its fuction.

35 Answers   Bhel, Isgec, L&T,

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2 hp motar how many amps taken please show me the formula

4 Answers   Cable Wireless,

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