Answer / vishnu

v^2 according to this relation as the voltage changes
transformer core loss changes

how to calculate short ckt current of trafo. ex.3-ph 3MVA trfo. 11/440, impdence voltage=7.25%

1 Answers  

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one conductor length is L.and i am strech uniformly this conductor and made length is 2L.so resistance of this strech conductor is R=4R..but i want to know about area of stech conductor hows it become a/2..

0 Answers   Infosys, ME,

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How to find synchronous motor speed formula Ns=120f/P ?....

2 Answers   Cranedge,

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i am working in a grid substation,TNEB having 13 yrs experience. Am I eligble to get apply for c licence now?

3 Answers  

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why ac generator ratings in kva only why not kw ????????????? ?

7 Answers  

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why the transformer has no starter

2 Answers   NTPC,

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what is the knee point voltage in current transformer

2 Answers  

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How to take the Vector Group Test in Transformer? What is the purpose of doing Vector Group Test?

3 Answers  

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what is the voltage between earth & neutral in 3 phase electrical connection.

0 Answers   Megatron Solutions, SIPL,

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Why PT burnts?

2 Answers  

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How can we calculate the fault level of the distribution system knowing the percentage impedance of transformer & subsequent equipments.

14 Answers  

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Why are the voltage levels in a powersystem are 11KV,33KV etc., why not 10KV,30KV?

2 Answers  

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