| 级联式三相交错并联Boost变换器控制策略研究 |
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| 引用本文： | 林巨广,陈松波.级联式三相交错并联Boost变换器控制策略研究[J].汽车技术,2019(8):1-6. |
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| 作者姓名： | 林巨广 陈松波 |
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| 作者单位： | 合肥工业大学 |
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| 基金项目： | 国家重点研发计划“新能源汽车”重点专项（2018YFB0104600） |
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| 摘 要： | 研究了永磁同步电机控制器直流侧前置三相交错并联Boost变换器的级联系统。在忽略输出电容和输入电感内阻的前提下,通过状态变量重构,建立了级联式三相交错并联Boost变换器的小信号数学模型,分析了负载电流波动对母线电压稳定性的影响,并提出了基于负载电流和母线电压偏差前馈的双闭环控制策略。仿真和试验结果表明,该控制策略可有效抑制母线电压的波动。
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| 关 键 词： | 永磁同步电机 级联系统 交错并联 BOOST变换器 负载电流前馈 |
Research on Control Strategy for Cascaded Three-phase Interleaved Parallel Boost Converter |
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| Lin Juguang,Chen Songbo.Research on Control Strategy for Cascaded Three-phase Interleaved Parallel Boost Converter[J].Automobile Technology,2019(8):1-6. |
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| Authors: | Lin Juguang Chen Songbo |
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| Institution: | (Hefei University of Technology, Hefei 230009) |
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| Abstract: | This paper studies the cascade system of placing a three-phase interleaved parallel Boost converter in front of DC side of PMSM controller. The small-signal mathematical modeling of the cascaded three-phase interleaved parallel Boost converter is established by ignoring the internal resistance of the output capacitor and input inductor. The paper analyzes the effect of load current fluctuation on bus voltage stability and proposes a double closed-loop control strategy based on load current and bus voltage deviation feed-forward. Simulation and experiment results show that the control strategy can effectively suppress the fluctuation of bus voltage. |
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| Keywords: | PMSM Cascade system Interleaved parallel Boost converter Load current feedforward |
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