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.

Is it a better option to procure screw type air compressor rather than reciprocating air compressor?If so, what is the reason?How should we select an air compressor(100 CFM)? Please mention the important parameters of air compressor.

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previous year paper of ntpc bhel for degree in electrical enng

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What is the use for cable entry in control room?

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how to calculate cable size in diffrent loads?

0 Answers   ABB, Sterling,

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The inventer is a battery, but if lost current at home u will turn on the fan but the is AC and inventer battery is dc . Then how the fan was rotating. What device Or machine in fan converst the Dc power to Ac power

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lightning arrester rating selection procedure: (line to line voltage(kV)/(squ.root of 3))*squ.root of 2. now the question is, IS this above formula correct for both STAR and DELTA connected system???

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i have installed my solar site of 6.7kw and is working perfectly , can somebody tell me that how can i measure my solar irradiation kw/day/sq m ?

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What is meant by field loss in a DC motor?

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why +24 v and -48 v give to BTS? If -48v protect from surge then why we not use -24 v?

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why connecting surge unit in contactor coil

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what happens when ac supply is given to the dc motor and dc supply is given to the ac motor?

1 Answers   GATE,

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Why generating voltage is limited up to 22kV?

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