Necessity of transformer earthing

1 Answers  

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what is the difference between 2phase & 3 phase?

1 Answers   NTPC,

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How can i calculate knee point voltage of 800/5A Current transformer?please explain me with suitable calculation?

2 Answers  

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what is static electricity and how it generates?

2 Answers  

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opkinson's test

0 Answers   Bhel,

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Upto what extend the powerfactor of a supply system can be improved to be cost effective?

1 Answers  

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wish of these transformer uses oil?

0 Answers   FJ International,

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why power factor laggs and leads in case of inductance and capacitance??

1 Answers  

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If the output of a 100kva, 415v generator is stepped up to 11kv with a 500kva transformer,can the transformer be Loaded above the source generator loading?

2 Answers  

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What is the difference between phase, neutral wire and earth cable. if neutral is connected to ground, y we need earthing cable? what difference in hot and cold wire? do neutral wire carry current?

1 Answers  

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what is the length of air terminal in lightening arrester system.

1 Answers  

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what is earth resistance? how to measured? and give values at power station and mcc area?

0 Answers   Essar,

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