Why Earthin is not required in Xformer primary side when it is in Star / star?

2 Answers  

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How power factor affect on bill explain with example.

13 Answers  

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Determine a suitable number of slors and conductors per slot for the starter 1 winding of a 3 phase, 3300 V. SO Hz 300 rpm alternator. The diameter is 2.3 m

0 Answers  

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what is the difference between online & offline caliberation of KWH meters. Can Digital meters be caliberated

0 Answers  

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What is on line ups and off line ups?

2 Answers  

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when the motor was star position that is running ok but when the motor was delta it was tripped? why?

5 Answers   Nimbus, SEL Manufacturing,

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can any one help me out by posting something related to rvnl interview for site engineer electrical.? what is the procedure? what kinda question they ask us? how long the interview goes? and any tips? and any thing you want to share?

0 Answers  

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How can I known multiplying factor .without multiplying table

0 Answers   Student,

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how encoder works?

1 Answers   ITC Infotech,

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Igfet is a

0 Answers  

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In Star type and Delta type Motors, If one phase will miss/Break then which phase winding will burn and why?

4 Answers  

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what will happen if i connect the buchholz relay in reverse direction.

1 Answers   MAN,

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