Answer / hareesh

Suppose a synchronous generator is synchronized with the
grid. This generator will work as synchronous condenser if we
over excite the rotor i.e the generator will supply reactive
power also to the grid. If we dont require the generator to
supply active power, the steam in put(for Thermal machines)or
water input (hydro generators) can be stopped. The machine
will continue running as synchronous condenser mode supplying
reactive power but consuming some active power, from the grid,
required for the rotation of the machine.

from where the self excitrd induction generator get the power?why is the voltage regulation is poor of seig?

0 Answers  

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If a current -8+6sin6t is flowing three ammeter, one is a centre zero PMMC meter, one is true rms meter and one is moving iron meter. What are the reading of these three meter respectively?

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why we are using Load factor?

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How to convert a two phase power into a three phase power in induction machine?

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define hysteresis loss, eddy current loss and windage loss

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sir i am ece engineer.i want to job in power plant.what is the best option for me as electrical engineer or instrumentation engineer?pls reply me.

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why nearly all the voltage levels are in the multiples of 11 like 3.3 ,6.6 ,33 ,11 kv.....

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Why frequency changes due to load variation in power system ? i.e why when load increases frequency decreases?

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why voltage rating not mention at HPSV or HPMV lamps?

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what are the differance between neutral and earthing?

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Sir, Please tell me that how I will calculate the efficiency of rectifier. Because input is ac and output is dc. Is it right to put two unlike signal together.

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Which loss in DC machine is maximum?

1 Answers   IFFCO,

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