What is contract demand in solar system?

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1)which height building required lightning arrester? 2)how to calculate the requirement of lightning arrester? 3)what is the pro instrument? 5)how to test protective relay like overload?earth fault relay?

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How is operate breaker failure scheme in substation

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there is an alternator 480 k.w, 400v,50hz, 4-wire running on load having leakage alternator body earthed current 38 A. is it within acceptable limit? if yes then give reference if no then how to bring within specified limit

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kindly send me 11KV MV motor differential protection procedure by primary injection method.

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how desiel generate sart fail of eb?

0 Answers   OPG, Wipro,

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How do apply electrical 'c'license......pls advice

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Safety of dry type transformer

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what is differential relay in power transformer??

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Define over current & earth fault ?how its functioning ?

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different aspects of voltage stability

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3- What is the target from Zero Impedance, Single Phase Imp., S/C Imp. and magnetic balance tests?

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