48V电瓶的电动三轮车充满电能跑多少公里?空车。

2025-03-15 03:32:44
推荐回答(1个)
回答1:

  行驶里程与电机功率、电池容量有关。比如电机功率为1000W、电池为48V38AH,理论行驶里程可达72公里,计算过程如下:
  1)匀速平均电流=功率/电压=1000W/48V=20.8A;
  2)行驶时间=电池容量/平均电流=38AH/20.8A=1.8小时;
  3)按时速40公里每小时计算,理论行驶里程=1.8*40=72公里。
  当载重增加时,电机输出扭矩增大,功率就加大,此时行驶里程就要少。跟行驶路况、环境温度也有关系,当路况经常爬波或起动时,里程会有所缩短,因为爬波与起动时电流比平均电流要大,所以时间就会缩短。环境温度的变化也同样影响电池容量,温度越高,容量会略高,温度越低,容量也会略低。

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