[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f2ryiIWJstEuJkzmS0fIUYJCuBYWdROi9C78QV-QhwIc":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":16,"related":17,"source":21,"type":22},[],"2025-12-20 03:13:35",274913664,[8,9,10,11],"电动汽车与充电桩显示屏","电池管理系统(BMS)与非车载充电机","车辆控制单元与充电枪头","车载充电机与直流充电桩",{"courseId":13,"courseImg":14,"courseName":15},"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","在GB\u002FT 27930-2015标准中,直流充电过程中,通信的双方分别是",[18,23,32,41,50,59,68,77,86,95],{"answer":19,"createTime":5,"id":6,"options":20,"question":16,"source":21,"type":22},[],[8,9,10,11],"v1",0,{"answer":24,"createTime":5,"id":25,"options":26,"question":31,"source":21,"type":22},[],274913665,[27,28,29,30],"WiFi (IEEE 802.11)","蓝牙 (Bluetooth)","控制器局域网 (CAN 2.0B)","电力线通信 (PLC)","直流充电通信使用的物理层和链路层是基于什么标准",{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":21,"type":22},[],274913666,[36,37,38,39],"充电准备 -&gt; 握手阶段 -&gt; 参数配置 -&gt; 充电阶段 -&gt; 结束阶段","握手阶段 -&gt; 参数配置 -&gt; 充电阶段 -&gt; 充电准备 -&gt; 结束阶段","充电准备 -&gt; 握手阶段 -&gt; 充电阶段 -&gt; 参数配置 -&gt; 结束阶段","握手阶段 -&gt; 充电准备 -&gt; 参数配置 -&gt; 充电阶段 -&gt; 结束阶段","直流充电的整个通信流程中,正确的阶段顺序是",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":21,"type":22},[],274913667,[45,46,47,48],"确定充电电价","确认双方均支持GB\u002FT 27930协议,并建立通信链路","开始传输充电能量","校准双方的系统时间","在&quot;握手阶段&quot;,BMS和充电机互相发送标识报文,其主要目的是",{"answer":51,"createTime":5,"id":52,"options":53,"question":58,"source":21,"type":22},[],274913668,[54,55,56,57],"电池充电需求报文(BCL)","电池状态信息报文(BSM)","充电机最大输出能力报文(CML)","充电机完成准备报文(CRO)","当进入&quot;参数配置阶段&quot;时,BMS需要向充电机发送哪个关键报文,以告知电池的详细充电需求",{"answer":60,"createTime":5,"id":61,"options":62,"question":67,"source":21,"type":22},[],274913669,[63,64,65,66],"互相传递广告信息","实时监控充电过程,执行故障诊断和安全保护","计算本次充电的费用","更新车辆的娱乐系统","在&quot;充电阶段&quot;,BMS会周期性地发送&quot;电池状态信息报文(BSM)&quot;,而充电机会周期性地发送&quot;充电机状态信息报文(CSM)&quot;.这些报文的主要作用是",{"answer":69,"createTime":5,"id":70,"options":71,"question":76,"source":21,"type":22},[],274913670,[72,73,74,75],"BMS发送的&quot;电池充电需求报文&quot;中电流值发生微小变化","充电机检测到绝缘故障,并在CSM报文中置位故障标志","BMS发送的BSM报文中SOC值从50%更新到51%","用户触摸了充电桩的屏幕","以下哪个事件最可能直接导致充电过程从&quot;充电阶段&quot;跳转到&quot;结束阶段&quot;",{"answer":78,"createTime":5,"id":79,"options":80,"question":85,"source":21,"type":22},[],274913671,[81,82,83,84],"电池充电参数","车辆辨识报文","时间同步与充电就绪","充电状态","在直流充电的&quot;握手阶段&quot;,车辆BMS向充电桩发送的第一个关键报文是什么",{"answer":87,"createTime":5,"id":88,"options":89,"question":94,"source":21,"type":22},[],274913672,[90,91,92,93],"握手阶段","配置阶段","充电阶段","结束阶段","直流充电过程中,哪个阶段负责确定充电桩能够输出的最大电压和电流,并与车辆需求进行匹配",{"answer":96,"createTime":5,"id":97,"options":98,"question":102,"source":21,"type":22},[],274913673,[99,100,92,101],"握手阶段完成后","配置阶段完成后","整个充电过程中都发送","充电桩在哪个阶段开始周期性地向BMS发送&quot;充电机输出状态&quot;报文"]