Answer Posted / zahid khan

tape changer is always connected to high voltage winding
side of the transformer to avoid heavy inrush current

what will happen if i connect 12 volt battery with 24 volt battery charger.

1468

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What is a fuse? How does it work? What are materials used?

1538

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how  do you choose the cable size as per amps rating & the voltage drop for the same.

1344

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A powerplant has 8 gensets operating in grid parallel mode. In one genset sometimes there is pf variation and kvar variation. The plant operates in pf mode. When this variation is observed the load is stable, voltage is also stable, freq and genset speed is also stable. How will you check the functioning of pf card. What shall be the ideal output vdc of the pfc, from there it is input to AVR?

1743

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what is ratio of copper wire size and current ?

1375

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Will an earth leakage trip be activated if the component or wiring is faulty on low voltage equipment.Example An electrical Cat Scarer placed in the garden and water gets into the wiring.

1428

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at which voltage level arcing ground is occurs ??????????

1587

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Difference between shunt, PMG and AREP excitation. Which is the most reliable between PMG and AREP.

9026

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What do you understand by external characteristics of a d.c. Generator?

654

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Why 11kv to be generated in generation station

1258

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WHAT DO YOU MEAN THE DIFFERENT TYPE OF CURVES OF RELAY LIKE STANDARD INVERSE, VARY INVERSE, NORMAL INVERSE, LONG INVERSE ETC....

1545

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Why compensation is necessary in feedback control system?

781

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what is the correct format to create a resume for interview??

1517

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A generating system will have a total capacity of 300 MW. Find the probable forced outage when the capacity is supplied by two 150 MW units. The operating probability of all units is P=0.98 and forced outage probability rate Q =0.02 .

2148

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Please brief working principle & construction of permanent magnet AC Servo motor

1750

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