why we are using star connection and delta connection? difference?

5 Answers  

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What will happen to the protection and metering, if the polarity of a single or two PT/PTs in three phase system is reversed? Please provide reference if any.

0 Answers   Mind Tree,

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why in 3.5 core means 3 core for phase and .5 for neutral?

1 Answers   Sodexo,

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in our sub station why we step down firstly 33kv\11kv then 11kv to 430v. can we direct step down 33v to 430.v.

7 Answers  

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what composit error,ratio error,phase error in CT and PT??

4 Answers  

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Can 2 nos. of 1 ton split ac be used through a 20 am supply meter?

3 Answers  

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why some time Railway Fan not Rotate,But after a small rotation by human then it rotate normally? Why?

4 Answers  

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What's the difference between non break power supply and non break non short break power supply

0 Answers  

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What is FM200 Fire Supresion System??

3 Answers   Emerson,

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Difference between split ac and cassete ac?

1 Answers  

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Why 30kw 40 hp 4 pole 3ph induction motor over heated?any steps on reduction in heat?

0 Answers  

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if AVR fails in D.G set, what will be the effect?

7 Answers  

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