A.V.R maintains the voltage of a generator when it is in island mode but when the generator is synchronised with grid it maintenance the P.F,how it happens please any body explain it in detail.

2 Answers   TATA,

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Can any body tell me what is use of END OF LINE RESISTOR in fire alaram circuit?

2 Answers  

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what is the working of vfd drives.

2 Answers  

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what is the use of Auto re-closer?

0 Answers  

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How would you supply power to a village which is very far from a sub-station and has only a 11kV line running near by?

3 Answers  

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Due to velocity saturation, MOSFET reaches saturation a.Before Pinch off b. After pinch off c. At Q point d. Before Q point e. After Q point

1 Answers  

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how to test vector groups in transformer differential relay.

1 Answers  

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What will be the voltage regulation of a full load and 0.80 power factor lagging load transformer when a two winding single phase transformer has a voltage regulation of 4.5% at full load and unity power factor?

0 Answers   HPCL,

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calculate external resistance values to add to the rotor of a slip ring induction motor. STATOR- 415 V, 3 phase delta, 1100 A, 50 Hz, 1490 rpm, pf 0,86 ROTOR - 660 V, 590 A, 50 Hz. STATOR current at each steps STEP1-600A,STEP2- 800A,STEP3-1000A,STEP4-1100A.

0 Answers  

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How i can calculate the cable size for given load,there is any formula,for 3 phase and single phase

2 Answers   Prescient Technologies,

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which type of motor is suitable for water pump?

1 Answers   IIM,

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why abcd parameters are called transmission parameters

0 Answers  

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