[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f3HE4mzaehx6vcaRw1WRuKyDvTY7R6Ch51Vd0aynP6GU":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":16,"related":17,"source":27,"type":28},[],"2026-05-20 21:22:34",379557342,[8,9,10,11],"Ud\u002F2","Ud\u002F√2","√2Ud\u002FΠ","√2Ud",{"courseId":13,"courseImg":14,"courseName":15},"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","‌单相半桥逆变电路的输出电压幅值为( ) ‌",[18,29,32,41,50,59,68,77,83,92],{"answer":19,"createTime":5,"id":20,"options":21,"question":26,"source":27,"type":28},[],379557341,[22,23,24,25],"电压源、正弦波","电流源、矩形波","电流源、正弦波","电压源、矩形波","‏电压型逆变电路的直流电源为( ),交流侧输出电压波形为( )","v1",0,{"answer":30,"createTime":5,"id":6,"options":31,"question":16,"source":27,"type":28},[],[8,9,10,11],{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":27,"type":28},[],379557343,[36,37,38,39],"电压型逆变器的直流回路呈现低阻抗","电流型逆变器的直流回路呈现高阻抗","电压型逆变器为了给交流侧向直流测反馈无功能量提供通道,逆变桥各臂都并联了反馈二极管","电流型逆变器为了给交流侧向直流测反馈无功能量提供通道,逆变桥各臂都并联了反馈二极管","逆变器根据直流侧电源性质可分为两类,电压型逆变器和电流型逆变器,下面说法错误的是()",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":27,"type":28},[],379557344,[45,46,47,48],"三相半波可控整流电路","三相桥式半控整流电路","单相全波整流电路接续流二极管","单相桥式半控整流电路","下列电路中,可以实现有源逆变的是()",{"answer":51,"createTime":5,"id":52,"options":53,"question":58,"source":27,"type":28},[],379557345,[54,55,56,57],"电容","电感","蓄电池","电动机","电流型逆变器中间环节储能元件是( )",{"answer":60,"createTime":5,"id":61,"options":62,"question":67,"source":27,"type":28},[],379557346,[63,64,65,66],"器件换流","电网换流","负载换流","强迫换流","半控型逆变电路不能采用的换流方式是",{"answer":69,"createTime":5,"id":70,"options":71,"question":76,"source":27,"type":28},[],379557347,[72,73,74,75],"三电平方波逆变电路","倍频式PWM技术","直流环节加入电感","附加输出滤波器","下面哪一种技术措施不能改善逆变输出电压波形()",{"answer":78,"createTime":5,"id":79,"options":80,"question":82,"source":27,"type":28},[],379557348,[8,9,10,81],"√2Ud9","单相半桥逆变电路的输出电压幅值为:( )",{"answer":84,"createTime":5,"id":85,"options":86,"question":91,"source":27,"type":28},[],379557349,[87,88,89,90],"采用移相式方波逆变","采用单极性SPWM","采用双极性SPWM","采用方波逆变","对于电压型全桥逆变电路,下面哪种控制方法不能调节输出电压()",{"answer":93,"createTime":5,"id":94,"options":95,"question":100,"source":27,"type":28},[],379557350,[96,97,98,99],"增大三角波幅度","增大三角波频率","增大正弦调制波频率","增大正弦调制波幅度","若增大SPWM逆变器的输出电压基波频率,可采用的控制方法是()"]