搜索 - 科创

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均压的目的是为了防止快速充电时(尤其是直接拉市电的，功率比较大，充电非常快)电容的内阻不均匀导致的电容分压不同而超压，损坏电容。所以只要控制每个电容上并连的均压电阻内电流别超过电源充电功率即可。

自激振荡升压,高压整流后经过水里的两电极为25uF/450V电容充电,当电容电压达到某值时可控硅EGE06-06导通,开启电容的放电回路,电容向水中放电,放电结束可控硅关断开始下一轮充电,如此反复.以此电路的器件与设计看升压振荡频率不可太高

引用第18楼joyeep于2010-03-04 21:43发表的 :你甲类上20W UF，你乱烧钱把，甲乙电容可以上大，不过甲电容上个4W UF 就已经足够了，甲类是连续在供电，对滤波电容的容量要求没有那么甲乙高

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