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认真手写总结答案,拍照上传。 1、画出晶闸管单相桥式整流电路主电路图; 2、用文字描述说明:纯电阻负载工作,当a=30时一个电源周期内4个晶闸管器件的导通关断状态及电流流通回路;晶闸管VT1和VT4一个周期承受电压情况; 3、用文字描述说明:阻感负载工作,当a=30时一个电源周期内4个晶闸管器件的导通关断状态及电流流通回路;晶闸管VT3和VT2一个周期承受电压情况; 4、分别画出纯电阻负载以及阻感负载工作时ud和id波形; 5、根据ud波形分别列写出纯电阻负载以及阻感负载工作时,平均电压Ud的积分计算表达式;
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A.
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