2024-11-05 18:41:12 来源于:k8凯发国际入口-旗舰厅ag
并断开K1、K2城能效电气做科普来真。,为电动汽车控制装置供电(有的车辆不需要供电)(车辆得到供电后,保证后续充电过程的安全性。接着闭合K1、K2,则车辆装置开始周期发送通信握手报文),/>在车辆接口完全连接后•▲◆工商业分布式系统凯发k8国际首页直流,充电桩的工作原理状态,
所谓绝缘检测凯发k8国际首页•-□□,充电桩将闭合K3◁◁▷◁、K4▽◇●,同时开始周期发送通信握手报文▼▷◇-◁-。将根据监测点2的电压判断车辆接口是否连接•▽,进行绝缘检测△◆▲☆●▼,绝缘检测结束后◆-•★□▷。
车辆会根据BMS是否达到充满状态或是受到充电桩发来的△▪□◇◇“充电桩中止充电报文▲…•◆“来判断是否结束充电(非正常条件在后续文章进行介绍)凯发k8国际首页◇△□▪▷=。满足以上充电结束条件●◆□,车辆会发送◇▽“车辆中止充电报文◆=◆“-•,在确认充电电流小于5A后断开K5◁●◇…◇◆、K6▷•▲=□。充电桩在达到操作人员设定的充电结束条件◁=,或者收到汽车发来的☆…■•”车辆中止充电报文◆☆▼○••“△★•□,会发送○□▲”充电桩中止充电报文=■”△□-★◇,并控制充电桩停止充电□●•△,在确认充电电流小于5A后断开K1▼◇▽=■、K2■▼,并再次投入泄放电路☆▲◁,然后再断开K3▪□、K4○○☆☆▪。
我们可以看到左边是非车载充电机(即直流充电桩)◇=▲•,右边是电动汽车-●-◁,二者通过车辆插座相连△▲-★。图3中的S开关是一个常闭开关•▽=,与直流充电枪头上的按键(即机械锁)相关联★□☆△▽▪,当我们按下充电枪头上的按键▼▼▪▼•△,S开关即打开☆▪□◆★。而图3中的U1=…▽、U2是一个12V上拉电压•▲▽▲,R1~R5是阻值约1000欧的电阻□▲◁=☆▷,R1▼■▲=、R2-•、R3在充电枪上-☆•,R4•=★○、R5在车辆插座上…-△。
的充电流程前•▪◆,我们有必要回顾一下上一篇文章的内容○□•,直流充电线 直流充电示意图
即检测DC线路的绝缘性能◆○△◆-,使低压辅助供电回路导通▽••◆,
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