我有一个电动车的电瓶,4块的,每块12伏的。如果充满电,用逆变器带以下设备。能多少长时间,

2025-04-07 07:14:54
推荐回答(2个)
回答1:

13W的打印机加15寸的小显示器和小电脑总功率不会超过200W左右,电动车的电瓶基本上都是48V20AH左右,换算下来就是12V100AH。塑封机一般是在开时才用,一次估计也就几分钟,如果一直开着不过塑的话,那只是待机功率,这个待机一般也就10W左右。如果不开塑封机的使用时间可以用公试计算出来使用的时间:电池电压12V*电池容量80AH*逆变转换率90%*电池使用率90%/负载功率200W=3.88小时(12*80*0.9*0.9/200=3.88)以最保守的估计大概是3.5个小时。
如果开塑封机的话,那看你要开多久,如果一直过塑的话,那总负载功率加上265W等于465W,使用的时间大概是1.67小时。但实际上是不可能一机开着过塑的,如果只是开着待机,那能耗基本上可忽略不计了。
对于你现有的负载你买个48V转220V的500W-800W的纯正弦波逆变器更合适。48V转220V的逆变器比12V转220V的逆变器转换效率要高,使用的时间会更久点。我有个搞装修的朋友,经常要在一些无电场所施工,他买的BELTTT贝尔特48V转220V的1500W纯正弦波逆变器带电动工具搞装修,用的也是电动车的电瓶。方波或修正弦波的逆变器也可以,价格便宜,带电脑肯定是没问题,有些杂牌低价的方波(修正弦波)逆变器带塑封机和打印机会有点不稳定。不管你用那种逆变器,实际功率(足功率)一定要有500W以上。

回答2:

三十多分钟就会把你的电瓶电量耗尽

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