on a three-winding transformer relationship delta-delta-star, on third winding why the relationship is a star? what are the advantages and disadvantages? Thank you and please help

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1.Can anybody explain Why starters are not used for motor starting in industries? 2.

7 Answers  

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why semiconductor fuse used in drive ,not ordinary?

4 Answers   EAP, Essar,

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what is the unit of electricity????????????

4 Answers  

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Why the TNC switch is called as Memory switch

1 Answers   Reliance,

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why we use capacitor in lighting fixer

2 Answers  

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why is corona loss greater in a stranded conductor as compared to a solid conductor ?

2 Answers  

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State the formula for overall efficiency of thermal power station

0 Answers  

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what use can we make of 3rd harmonic component

5 Answers   Bhel, General Motors GM,

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why does the magnetic balance tests at transformers? how to provide earthing in flight?

1 Answers  

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what is the meaning of pi value?

1 Answers  

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What is the basic diffrence between Electronics & Electrical engineering

13 Answers  

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