文档介绍：课程设计课程名称电力电子技术课题名称SG3525正弦波逆变电源设计专业班级学号姓名指导教师2013年12月16日湖南工程学院课程设计任务书课程名称单片机原理及应用课题智能密码锁设计专业班级学生姓名学号指导老师审批任务书下达日期2013年12月16日设计完成日期2013年12月27日设计内容与设计要求设计内容:电路功能:逆变就是将直流变为交流。由波形发生器产生50Hz、幅度可变的正弦波,与锯齿波比较后,再通过PWM电路,输出SPWM波,经过驱动电路驱动逆变电路进行逆变,再经过高频变压器与滤波电路输出-50Hz的正弦波。电路由主电路与控制电路组成,主电路主要环节:高频逆变电路、滤波环节。控制电路主要环节:正弦信号发生电路、脉宽调制PWM、电压电流检测单元、驱动电路。功率变换电路中的高频开关器件采用IGBT或MOSFET。)确定主电路方案2)主电路元器件的计算及选型3):要求输出正弦波的幅度可调。用SG3525产生脉冲。设计思路清晰,给出整体设计框图;单元电路设计,给出具体设计思路和电路;分析所有单元电路与总电路的工作原理,并给出必要的波形分析。绘制总电路图写出设计报告;主要设计条件设计依据主要参数输入输出电压:输入(DC)+15V、10V(AC)输出电流:1A电压调整率:≤1%负载调整率:≤1%效率:≥;任务书;说明书目录;设计总体思路,基本原理和框图(总电路图);单元电路设计(各单元电路图);故障分析与电路改进、实验及仿真等。总结与体会;附录(完整的总电路图);参考文献;11、课程设计成绩评分表进度安排第一周星期一:课题内容介绍和查找资料;星期二:总体电路方案确定星期三:主电路设计星期四:控制电路设计星期五:控制电路设计;第二周星期一:控制电路设计星期二:电路原理及波形分析、实验调试及仿真等星期四~五:写设计报告,打印相关图纸;星期五下午:答辩及资料整理目录第1章概述·····································1课题来源················································1解决方法················································1设计的优点··············································2第2章系统总体设计·······················································································································································4第3章系统主电路设计·········································································································5第4章单元电路设计···········································································································································································12第6章总结与体会·······························13附录1总电路图································14附录2参考文献································15附录3课程设计成绩评分表······················16第1章概述课题来源电力逆变电源有着广泛的用途,它可用于各类交通工具,在太阳能及风能发电领域,逆变器有着不可替代的作用。电力控制系统的可靠程度是电力系统和设备可靠、高效运行的保证,而电力控制系统必须具备安全可靠的控制电源。电力系统中为保证变电所的诸如后台机、通讯设备等能在交流电源停电后不间断工作,工程做法一般采用UPS电源作为主要解