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毕业设计（论文）-通用变频器设计.docx

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目录中文摘要································································································ 1 英文摘要································································································ 2 1绪论··································································································· 3 论文研究意义························································································ 3 变频器行业国内外现状··········································································· 4 论文主要工作························································································ 5 2通用变频器基本结构与原理····································································· 6 通用变频器基本结构·············································································· 6 通用变频器的分类················································································· 7 通用变频器的工作原理··········································································· 8 SPWM 控制方式介绍·············································································· 9 3通用变频器硬件电路设计······································································ 12 主电路设计························································································· 12 采样电路设计······················································································ 18 DSP 双电源供电电路设计······································································· 25 IGBT 驱动电路设计··············································································· 25 故障汇集电路设计················································································ 27 制动电路驱动设计················································································ 29 辅助电源设计······················································································ 29 4软件设计及控制算法············································································ 31 系统整体框图····························································

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