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逆变电源的设计毕业设计论文.pdf

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毕业设计论文逆变电源的设计word文档可自由复制编辑目录引言.....................................................................11绪论..................................................................21.1逆变电源的广泛应用....................................................21.2逆变电源的发展趋势....................................................31.3本课题的任务..........................................................32逆变电源原理........................................................52.1开关逆变电源原理......................................................52.2SPWM概述.............................................................62.3SPWM调制.............................................................72.3.1单极性正弦波脉宽调制方式............................................82.3.2双极性正弦波脉宽调制方式............................................92.4SPWM的采样方法......................................................102.4.1自然采样法.........................................................102.4.2规则采样法.........................................................102.4.3等面积法...........................................................112.5SPWM生成方法........................................................112.5.1调制过程特征.......................................................132.5.2载波比(N)..........................................................152.5.3脉冲的占空度.......................................................172.6本章小结.............................................................173逆变主电路设计......................................................184直流升压电路设计...................................................194.1直流升压主电路拓扑确定...............................................194.1.1升压环节拓扑结构比较...............................................194.2升压电路选择.........................................................204.3本章小结.............................................................215控制电路设计.......................................................225.1PIC16F73单片机及外围电路设计........................................225.2驱动电路设计.........................................................22word文档可自由复制编辑5.3本章小结........