why the active power flow of some line is increased when the active power of out is cut ?

0 Answers   TAFE,

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tell 2 reasons for why only copper is used in domestic wires& only alluminium in transmission lines ?

10 Answers   ABB,

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What is the effect of positive feedback on stability of the system?

0 Answers  

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why transformer has more efficiency compare to rotating machine?

3 Answers  

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What is the tolerence limit between neutral and earth in 230 V AC System?

7 Answers   NTPC,

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What should be the dielectric strenght value of transformer oil of 11/0.433KV distribution transformer and 33/11KV tranmission transformer ?

2 Answers  

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What is the technical difference between On delay timer and a Star delta timer?

0 Answers   Roche,

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what are different types of alternator and discuss about the methods of cooling

16 Answers   Bhel, Jindal, L&T, Nalco, Vedanta,

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which signal we found accurate reading of analog signal or degital signal and why?

1 Answers  

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whenever any squirrel or a crow falls on the transformer input line then there is a big explosion and 440 volts of power is being discharged through the neutral line due to which appliances in off mode are also burned.we have earthing for the transformer as well as the bus bar chamber.why is it happening?

1 Answers  

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How can i calculate heat load ?

3 Answers   DSSR, NSN,

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Why Motors are generally supplied with 3 core cables??? why not 4C??

5 Answers  

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