What phase difference between p and s winding of transformer

1 Answers   MAHINDRA,

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why transformer rating in KVA or MVA instead of KW n MW??

3 Answers  

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how do you reduce the skin effect

2 Answers  

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How are harmonics produced in AC machines?

4 Answers  

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What is the usega of brking resistor? and how it will useful to Drive...?

3 Answers  

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hot water tank,top element 240v across,the bottom 120v across,why?

1 Answers  

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If we use 250A MCCB as a incomer in Control panel for a fault level of 50kA for one second ,assuming temperature rise from 85 Deg. to 100 Deg , Then what will be the Aluminium Bus-bar size for 250A MCCB? Explain in detail.

0 Answers   Usha Capacitors,

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what is working of communitator in a dc generator?

3 Answers  

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why impudance relay used for medium transmission power system? why not others?

0 Answers  

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Why tripping not occur when the transmission breaks? Doesn't we provide earthfault protection for it?

1 Answers  

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Is there any capacitor in 3-phase IM?why,xplain.

2 Answers  

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what is difference between elr and R eartl realy.

0 Answers  

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