请问,电动车电瓶串联后,电瓶的总容量怎样计算?比如48v20ah的电瓶,容量是四块加起来还是一块的

2025-03-15 23:08:23
推荐回答(5个)
回答1:

我斗胆给出一个推论,纯属个人见解:
一块电池存电的容量就好比一个水桶存水的容量,电池容量大小,由电压、最大放电电流和放电时间三者决定。电池容量越大,以相同电流大小放电时间越长,水桶容量越大,以相同粗的水管流水时间越长。一块12v20ah的电瓶,容量是12V*20AH(可以理解成做功,P=UI=12*20W=240W,以240W功率做功可以做1小时),4块12V20AH的电瓶串联,容量是4个电瓶相加,12V20AH+12V20AH+12V20AH+12V20AH=4*12V20AH=48V20AH。(为什么不是12V80AH?因为串联电路电流不变,最大放电电流20A不变,串联电路总电压是各电池电压相加之和)。这个世界,数学是一切学科的根基,电是可以通过计算来量化的。

回答2:

电瓶串联,电压升高,容量不变。并联容量变大,电压不变

回答3:

串联,容量不变。

回答4:

四块加起来

回答5:

四块

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