Answer / k.prakashchandra

First charge the battery fully i.e. till charging current
becomes almost zero at 130% of rated voltage of the
battery.Then discharge till the terminal voltage becomes
90%.if AH (A xH ) discharge is more than 26 ,then the
battery is good.Do not allow charging or discharge current
exceed 5 A.

I want formula to calculate cable size as per load given in length & amp. I searched many sites but didn't right answer. Please reply me asap.

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Neutral to earth and phase to earth voltage how much.

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difference bteween neutral grounding resistor and neutral grounding transformer??

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DG Earth Value?

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how to calculate capacitor rating for an induction transformer ex.for 12 mva furnace calculate capacitor rating

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Is the installation of the filter cloths necessary before spreading the gravels at the transformer yards?

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