what is differance between kvarh $ kvah

1 Answers  

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when we start the tube light, then it takes initially 1100 volt, after glow it takes 120 volt?(when we give 220 volt a.c.)

3 Answers  

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why the voltage and current in a long transmission line are called travelling wave?

0 Answers   UIU,

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What is the difference b/w RMU & substation

1 Answers  

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why use -48 volt DC power in telecom?

3 Answers  

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We know flow of electron is current . But why electron flow from negative to positive and current from positive to negative?

4 Answers   Power Grid,

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Who many reason of ignition fail ?

0 Answers  

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what is doubling factor in making current of a breaker?

0 Answers   BARC,

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Explain the role of a car driver as one of a feedback mechanism.

0 Answers   GE,

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I have 2 transformers in two different plants, both are without OLTC but i am facing problem of voltage fluctuation at LV side from only one transformer. i have to change its taps manually twice in a day. Another transformer delivering voltage is ok. Please guide me about the problem

1 Answers  

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what is the difference between CT and CVT in EHV Sub Stations

4 Answers   Hofincons, Lanco, TATA,

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if i am in front of transmission line how to know that current direction without any equipment

0 Answers  

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