what will happen if transformer given dc input

5 Answers  

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how to test power transformer.YNd11

0 Answers  

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what is ballast

1 Answers  

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Isolation transformer primary to sec turns ratio?

2 Answers  

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What is the approximate percentage of Si content in transformer core(CRGO-Cold Rolled Grain Oriented)? Why it is kept so low?

1 Answers  

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what are the oils used in transformers cooling? n which type transformer is used in power systems?

1 Answers  

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Difference between MCC and PDB

3 Answers   BARC, CDS, NINL,

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What is oil temprature with A/T contacts in Transformer ?

1 Answers  

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Spacing of Transformers ratings are 10kva,15kva,25kva,63kva,110kva,150kva .........so on Q) Why transformer are not manufactured having ratings in between or other than these standard ratings ?

3 Answers  

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any body,pls tell me how to done relay coordination ? how to coordinate by TCC curve?how to read the tcc curve?

0 Answers  

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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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It is observed that AVR of an Alternator is more likely to fail if the Generator and Mains Neutral are directly connected to each other. Why should this be so?

1 Answers  

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