How Can we calculate the rating of a cable?Show the formula?

2 Answers   Jindal,

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what is bushing in transfermor

7 Answers   Bokaro Steel, Visa Steel,

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what is the function of statics switch in ups and tell me parts

0 Answers   Dalkia,

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why the earth pin is thicker than other pins in a plug? If it is for reducing resistance, then why the copper earth wire is not so thick as earth pin of socket?

5 Answers   Omax,

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Is it advantages of having star-delta vfd than normal star vfd , if yes why?

0 Answers  

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I don't understand why when we connect high voltage source in DC to electronic motor , we must add capacitor and resistor in parallel ? (I know that we use capacitor because we want to absorb the current that in the first second electronic motor in opposed with current course produce. ) what are the feature of Resistor and in such situation ?

0 Answers  

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why it is mentioned as 8/10 mva transformer why not directly 8mva or 10mva transformer. please explain me the full detailed reason.

4 Answers   Qatar Gas,

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what is resticted earth fault protection ? how did it protect & work in power transformer

3 Answers  

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how much current capacity of 300 sq. mm cable (4 core aluminium) and 150 sq. mm cable ( 4 core aluminium)

3 Answers   Bhel, RR Kabel,

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How much area a lightning arrestor can cover?

5 Answers  

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what is effect of leading power facter on the system and billing

0 Answers   TATA,

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why do transformer humm ??????????

2 Answers  

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