why vector group used in transformer and what effective in output

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The capacity of the transformer is 20/25 MVA, Ratio is 132/11 KV, Vactor group YNyno. and impedance is 10.07%. As per the calculation the secondary current is 1312.2Amps. The maximum fault current the transformer should sustain is 13.030KA. How many times the transformer should sustain the maximum short circuit current of 13.030KA over a period up 1 Year. The transformer is repaired one & 10 Years old.

1 Answers  

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what is static switch where it can be use?

1 Answers  

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How to use a insulation resistance tester on a three phase electric motor?

2 Answers  

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What will be happend if we not ground CT secondary?

3 Answers   Enercon, Engro, THDC,

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why the power cut problems occur in tamil nadu? may i know the exact reason.plz

17 Answers  

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why T/F winding temp measurement cts are odd secondary current ie,109A/1.2A/1.4A?

0 Answers   MSETCL Maharashtra State Electricity Transmission Co Ltd,

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What is the distance between the EHV lines and also the distance for earth ??

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If a ACB breaker is tripping and closing problem, then what will we check internal..?

3 Answers  

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why do we lay up the core of a cable?

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why current flow throgh conductor.

2 Answers  

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BRIEFELY EXPLAIN MEGGAR PRINCIPLE

2 Answers  

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