基于驱动电路参数调整的功率模块结温控制分析-analysis of power module junction temperature control based on driver circuit parameter adjustment.docxVIP
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基于驱动电路参数调整的功率模块结温控制分析-analysis of power module junction temperature control based on driver circuit parameter adjustment
the junction temperature regulation of the method is verified through the simulation results.Finally, based on theoretical analysis and simulation, the main circuit and a control circuit is built, taking DSP as the control core, function of the the load current sampling, load current jump,junction temperature measurement, BJT control is realized. By Comparing the value of temperature fluctuation with and without control,the experimental results verify the correctness of the theoretical analysis and simulation mentioned before.Keywords:IGBT, Junction, temperature,drive resistor,BJT,DSP目录中文摘要..........................................................................................................................................I英文摘要.........................................................................................................................................II1 绪论......................................................................................................................................... 11.1 研究背景及意义 ....................................................................................................................... 11.2 结温控制研究现状 .................................................................................................................. 21.2.1 散热条件 ............................................................................................................................ 21.2.2 开关频率 ............................................................................................................................ 31.3 论文主要研究内容 ................................................................................................................... 42 驱动电阻对 IGBT 损耗和结温影响分析52.1 驱动电阻调节开关损耗原理 ................................................................................................... 52.2 驱动电阻的变化范围 ............................................................................................................... 62.3 IGBT 模块的损耗构成7IGBT 导通损耗8IGBT 开关损耗92.4 热
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