how to select short circuit current while selecting a MCCB? how to calculate current for a given KVA and KW load?

2 Answers   GE, PnU Engineering,

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why the transformer neutral earthing is to be done by copper flat only,if we use GI flat what is the disadvantage.

2 Answers  

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Why do we choose 33kV transmission for industrial purpose and 11Kv for township?

1 Answers  

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Ohms law explain

1 Answers   Hetero,

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What is a surge supressor why its is used in synchronous generators

0 Answers  

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what is W.T?specify the acceptable range?

0 Answers  

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what will happen if phases are not shorted with neutral in transformer impedance test? and if neutral is not connected with ground?

1 Answers  

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what does happen if generator frequency fall in running condition & what should require immediately

4 Answers  

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what factor is necessary during design of HT & LT MOTORS.

2 Answers   ABB, L&T,

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What_is_mean_by_negative_dc_voltage? why we use -48v except +48v in DC power supply systems.

2 Answers   APEL, BSES,

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why we use only sine wave in ac why we do not use other wave forms

21 Answers   BARC, NTPC,

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how to compute kvar in substation feeder to improve power factor and sending voltage

0 Answers  

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