电力电子课程设计_单相半控桥式晶闸管整流电路(电阻负载)

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1、电气工程学院电力电子课程设计设计题目：单相半控桥式晶闸管整流电路（电阻负载）学　　号：　　xxxxxxxx　姓名：xxxxxx同组人：xxxxxxxxxxxx指导教师：xxxxxx设计时间：xxxxxxxxxxxxxxxxxxxxxx14设计地点：电气学院实验中心14电力电子课程设计成绩评定表姓名学号课程设计题目：单相半控桥式晶闸管整流电路（电阻负载）课程设计答辩或提问记录：成绩评定依据：课程设计预习报告及方案设计情况（30％）：课程设计考勤情况（15％）：课程设计调试情况（30％）：课程设计总结报告与答辩情况（25％）：14最终评定成绩（以优、良、中、及格、不及格评定）指导

2、教师签字：年月日14电力电子课程设计任务书学生姓名：指导教师：一、课程设计题目：单相半控桥式晶闸管整流电路（电阻负载）二、课程设计要求1.根据具体设计课题的技术指标和给定条件，独立进行方案论证和电路设计，要求概念清楚、方案合理、方法正确、步骤完整；2.查阅有关参考资料和手册，并能正确选择有关元器件和参数，对设计方案进行仿真；3.完成预习报告，报告中要有设计方案，设计电路图，还要有仿真结果；4.进实验室进行电路调试，边调试边修正方案；5.撰写课程设计报告——最终的电路图、调试过程中遇到的问题和解决问题的方法。三、进度安排1．时间安排序号内容学时安排（天）1方案论证和系统设计12

3、完成电路仿真，写预习报告13电路调试24写设计总结报告与答辩114合计5设计调试地点：电气楼4102．执行要求课程设计共5个选题，每组不得超过2人，要求学生在教师的指导下，独力完成所设计的详细电路（包括计算和器件选型）。严禁抄袭，严禁两篇设计报告雷同。摘要本次课程设计的题目为：单相半控桥式晶闸管整流电路，其中负载为纯电阻负载。电路设计的主要参数及要求：1、电源电压：交流100V/50Hz；2、输出功率：500W；3、移相范围：0º-180º。对于单相半控桥式晶闸管整流电路（电阻负载），其电路设计的主要功能为：单相桥式半控整流电路的工作特点是晶闸管触发导通，而整流二极管在阳极电

4、压高于阴极电压时自然导通。单相桥式半控整流电路在纯电阻负载电流连续时，当相控角α<180°时，可实现将交流电功率变为直流电功率的相控整流，同时，调节触发电路，可改变触发角进行调压；在α>180°时，由于二极管的单相导电性，电路无法实现逆变，输出电压为零。关键词：单相半控桥式晶闸管整流电路、纯电阻负载、相控角调节14目录第一章系统方案设计···························································1一、主电路方案设计·····················································

5、·····11.1主电路方案论证······················································11.2主电路结构及其工作原理··············································21.3参数计算····························································31.4主电路器件选用······················································3二、控制电路方案设计················

6、········································42.1触发控制电路方案····················································42.1.114方案一····························································42.1.2方案二····························································5第二章仿真·········································

7、························8一、主电路仿真·····························································81.1仿真设置····························································81.2仿真结果····························································10二、控制电路仿真···············