Industrial Power Distribution & Illumination
EE 653
Question
2075 Bhadra2068 BhadraChapter 9: Emergency and Back-Up Supply System for Industrial Plant9.1 Battery Supply System
Explain trickle charging method for battery charging system. A lead acid cell is discharged at a steady current of 4 A for 12 hours, the average terminal voltage being 1.2 volt. To restore it to its original state of charge, a steady current at 3 A for 20 hours is required the average terminal voltage being 1.44 volt. Calculate the ampere-hour efficiency and watt-hour efficiency in this particular case.
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