Answer / maruth sk

Earth fault,
Short circuit,
Over current,
Over voltage

why Ac current is alternating in nature?(or)why alternating current changes its direction?

3 Answers   APGenco,

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IN bateery size of positive is biger than negative .why?

8 Answers   Power Grid,

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why a pilot exciter is used in combination with the main exciter? why not only a main exciter is used for excitation to an alternator?

1 Answers   Electrical,

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temp of cast resin 1500kva tx formerwent up to 138.c but came down very fast to about 100.c within 20 mins when load was reduced from 70% to 60%

0 Answers  

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what is the major difference between dc generator and synchronous generator?

4 Answers  

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why do we use bundle conductors instead of using single conductor of larger size for high voltage transmission?

7 Answers  

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what is the role of reactive powerin transmission and distribution?

3 Answers  

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How to calculate the actual 3phase power, if the load current of each phase is not balanced

2 Answers  

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for distribution line ratio of x/r 1.<0.1 2.>10 3.>1 4.<0.01

3 Answers   HAL, HPPSC,

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when ur using single phase type of load for a 3.5core power cable .Why neutral is .5 and how much current in the neutral if we consider neutral as a reverse path for three phases.

2 Answers  

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what about the input current fan when regulator regulates to speed low?

1 Answers  

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if flux and load static in dc motor and supply voltage increases 20% then what happened in speed

0 Answers  

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