Industrial Power Distribution & Illumination
EE 653
Question
2076 Bhadra2071 BhadraChapter 9: Emergency and Back-Up Supply System for Industrial Plant9.1 Battery Supply System
Explain the trickle charging method for a battery charging system. Calculate the (i) ampere-hour efficiency and (ii) watt-hour efficiency of a secondary cell which is discharged at a uniform rate of 30 A for 6 hr. at an average terminal voltage of 2 V. It is then charged at the uniform rate of 40 A for 5 hr. to restore it to its original condition. The terminal voltage during charging is 2.5 V.
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