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xu dian chi shi yong ying zhu yi de wen ti
Author(s): 
Pages: 66
Year: Issue:  12
Journal: Farm Machinery Using & Maintenance

Abstract: 一、注意区别蓄电池是存电不足还是有故障 用密度计测得电解液密度比充足时低0.08 g/cm3以上,但各单格相差不大于0.01 g/cm3,用高率放电计测量单格电压,电压下降到1.5V左右,但能在5 s内保持稳定,而且各单格相差不大于0.1V,则可粗略地判断此蓄电池无严重故障,只是放电较多,应进行补充充电. 在用高频放电计测量单格电压时,电压迅速下降,各单格电解液密度相差悬殊,则表明蓄电池存在故障.这时,可在充电过程中观察电压、电解液密度、温度的变化以及气泡发生的早晚和多少,做进一步检查判断,以确定故障的性质和严重程度.
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