Transformer rating=> 15/20 MVA.Why there are two raings? What should be the rating of the fuse at the secondary if the voltage level is 13.8KV/4.16KV?

1 Answers   Bhel,

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what methods are used to improve power factor?

3 Answers  

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formula for incomer breaker size calculation of powerfactor correction unit

3 Answers  

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how can we judge the percentage of load on the basis of temperature differences readings between WTI and OTI in a transformer

1 Answers   Toshiba,

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why Current is lead 90 degree and voltage is lag 90 degree in a capacitor.? why Current is lag 90 degree and voltage is lead 90 degree in an inductor.?

0 Answers  

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what is tha between elcb & rccb?

3 Answers   Essar,

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Why only 1ph,2ph,3ph supplies are universally used?? Why not 4ph or 5ph??

4 Answers  

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hello! can anyone explain to me how a 3 speeds table fan work? what are the factors that are controlling the speed of a normal table fan? Is it by varying the voltage or changing the magnetic field? would appreciate your reply :) thx in advance.

2 Answers  

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Tell me harmfull effects of over voltage,under voltage,spike,surge,transient & noise.

1 Answers  

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What are the three types of compensators?

0 Answers  

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What is main cause of cable's terminal point burned in Lug on high temperature although lug and cable selection is ok as per stantard and also tightness is ok as per situation. so please take in deep and tell correct answer thanku.

1 Answers  

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star delta starter control wiring diagram?

1 Answers  

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