How to choose the vector group for the step up and step down transformers??? Tell me the which vector group is suitable for step up and step down transformers and whats the reason to choose and whats the benefits???

0 Answers   L&T,

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How can you calculate in detail the VA burden of current transformer used for Restricted earth fault protection? Please understand that the CT required here is Class PX or X. Also please show the calculations for knee point vtg, stabilizing resistor, magnetising current.

3 Answers  

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Inverter. converter. Ups.MCB.solar.alternators. motors.

0 Answers   Cisco,

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why the impedence of the transformer is expressed in percentage?

3 Answers   DEWA,

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if earthing is used in place of neutral how the circuit completd.

7 Answers   Epitome,

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What are the advantages of hydropower?

0 Answers  

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what is exact meaning of CT core saturation or simply saturation of core.

1 Answers  

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Explain the fundamental difference between emf (electro motive force) and pd (potential difference) ?

0 Answers  

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what is the condition for YnD11

0 Answers   Bhel,

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lorteny method

0 Answers  

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How to calculate ant test the burden of Current transformer

0 Answers   NTPC,

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what is the purpose of measuring % impedence?

1 Answers  

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