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永磁同步电机开路故障容错补偿控制

白洪芬 朱景伟 秦俊峰

白洪芬, 朱景伟, 秦俊峰. 永磁同步电机开路故障容错补偿控制[J]. 交通运输工程学报, 2016, 16(6): 55-62.
引用本文: 白洪芬, 朱景伟, 秦俊峰. 永磁同步电机开路故障容错补偿控制[J]. 交通运输工程学报, 2016, 16(6): 55-62.
BAI Hong-fen, ZHU Jing-wei, QIN Jun-feng. Fault-tolerant compensation control of PMSM applied under open-circuit faulty condition[J]. Journal of Traffic and Transportation Engineering, 2016, 16(6): 55-62.
Citation: BAI Hong-fen, ZHU Jing-wei, QIN Jun-feng. Fault-tolerant compensation control of PMSM applied under open-circuit faulty condition[J]. Journal of Traffic and Transportation Engineering, 2016, 16(6): 55-62.

永磁同步电机开路故障容错补偿控制

基金项目: 

国家自然科学基金项目 51407021

国家自然科学基金项目 51077007

中央高校基本科研业务费专项资金项目 3132016313

广西中青年教师基础能力提升项目 KY2016LX419

国家级大学生创新项目 201611607011

详细信息
    作者简介:

    白洪芬(1988-), 女, 山东聊城人, 大连海事大学工学博士研究生, 从事永磁电机控制研究

    通讯作者:

    朱景伟(1963-), 男, 辽宁大连人, 大连海事大学教授, 工学博士

  • 中图分类号: U665.11

Fault-tolerant compensation control of PMSM applied under open-circuit faulty condition

More Information
    Author Bio:

    BAI Hong-fen(1988-), female, doctoral student, +86-411-84729354, YX

    Corresponding author: ZHU Jing-wei(1963-), male, professor, PhD, +86-411-84729354, zjwdl@dlmu.edu.cn
  • 摘要: 基于磁动势不变原则的故障容错补偿控制策略, 在研究正常情况下船用永磁同步电机磁动势数学模型的基础上, 建立了一相开路故障下磁动势数学模型。在电机发生一相开路故障时, 通过改变其余无故障两相电流的大小和夹角, 以保证故障前后电机的合成磁动势不变, 进而使得空间电压矢量脉宽调制控制策略在电机控制中仍适用。结合船舶电力推进系统模型, 在MATLAB/Simulink中建立船舶电力推进系统的整体仿真模型, 并对转矩、转速、电流等参数进行分析。仿真结果表明: 在无故障情况下, 螺旋桨模型输出转矩脉动和电机的转矩、电流、转速脉动分别约为0.85%、5.90%、6.25%、2.01%, 电机运行性能良好。在一相开路故障下, 若未采用容错补偿控制策略, 螺旋桨对故障响应较为强烈, 输出转矩脉动达到22.2%, 进而导致推进电机输出转矩、电流、转速均出现较大的波动, 分别约为82%、50%、33%, 且电机定子磁链轨迹为不稳定的椭圆; 采用基于磁动势不变原则的矢量容错补偿控制策略后, 螺旋桨输出转矩会恢复到稳定值, 脉动约为1.02%, 推进电机也会重新稳定运行, 转矩、电流及转速脉动均明显下降, 分别约为6.20%、6.78%、2.22%, 与无故障时的脉动范围基本相同, 电机定子磁链轨迹恢复为同故障前一致的圆形。可见, 采用故障容错补偿控制策略, 可以保证推进电机在正常情况和一相绕组开路情况下均能正常工作, 且螺旋桨负载与推进电机性能匹配良好。

     

  • 图  1  船-机-桨的相互关系

    Figure  1.  Interrelation of ship, motor and propeller

    图  2  螺旋桨负载模型

    Figure  2.  Propeller loading model

    图  3  船用永磁同步电机矢量控制原理

    Figure  3.  Vector control principle of PMSM

    图  4  电流的空间矢量分布

    Figure  4.  Space vector distribution of currents

    图  5  A相开路故障情况下的电流矢量

    Figure  5.  Current vectors under A-phase open-circuit faulty condition

    图  6  A相绕组开路故障时的补救策略仿真模块

    Figure  6.  Simulation module of remedial strategy under A-phase open-circuit fault condition

    图  7  转矩波形

    Figure  7.  Torque waveforms

    图  8  永磁同步电机电流和转速仿真波形

    Figure  8.  Simulation waveforms of PMSM currents and speeds

    图  9  电机定子磁链轨迹

    Figure  9.  Stator flux track of motor

    表  1  仿真所需的电机参数

    Table  1.   Simulation parameters of PMSM

    下载: 导出CSV

    表  2  螺旋桨模型的仿真参数

    Table  2.   Simulation parameters of propeller model

    下载: 导出CSV
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  • 收稿日期:  2016-07-07
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