The sodium vapor lamp is not glows when it is connected a distance of 5 meters above from gearbox, why ?

0 Answers   Ispat,

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What is Black-out and Brown-out situation in the context of voltage stability in power system?

1 Answers  

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To prevent the mal operation of a differentially connected relay while energizing a transformer, the relay restraining coil is baised with (a)second harmonic current (b)fifth harmonic current (c)third harmonic current (d)seventh harmonic current

2 Answers  

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1.what is the easiest way to convert AH(ampere hour)to watts?.

2 Answers  

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is it possible to test of bus bar in high rise building without completed full floor ?

0 Answers  

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In constant power region of 3-phase IM torque-speed characteristics, if frequency increases voltage A does not alter B decreases C increases D none of above

1 Answers  

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Sir, why generating power plant operating at above 0.9 lag? detail explaination?

1 Answers   Kirloskar, L&T,

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what r Grid stations?what r there role.Explain in detail

1 Answers  

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what is the difference between power and distribution transformer?

32 Answers   L&T, VJTI, Wenke Electricals,

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what is the carona effects meaning in HT line transmmission system

0 Answers  

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For household Load of 11Kw supplying 5Nos. 1.5 ton Air conditioners + usual other load what shall be rating of Either ELCB Or ELMCB? Which of the circuit breaker will be a better choice?

2 Answers  

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Which type of a.c motor is used in the fan (ceiling fan, exhaust fan, pedestal fan, bracket fan etc) which are find in the houses ?

0 Answers  

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