陈忠华;苏泽宇;王巍;赵春雨;

• 1:辽宁工程技术大学电气与控制工程学院
• 2:沈阳航天新光集团有限公司地面保障装备研发中心

摘要(Abstract)：

为解决车载永磁同步发电机（PMSG）稳定输出电压的问题，提出弱磁矢量控制与无位置传感器控制相结合的控制策略.在原动机转速范围较大或负载变化较大情况下，研究矢量控制与弱磁控制相结合的控制策略，调节发电机气隙磁场从而进行稳压控制；通过模型参考自适应（MRAS）无传感器控制代替机械式传感器的使用.建立永磁同步发电机数学模型，通过定子电流矢量轨迹确定稳压控制的直轴与交轴电流.利用MRAS系统估计转子位置与转速信息，推导自适应律.仿真结果表明：设计的控制策略可使PMSG在无传感器时对转速和负载的变化做出快速响应，并输出稳定的电压，验证了控制策略的有效性.

关键词(KeyWords)： 永磁同步发电机;电流矢量控制;弱磁控制;无位置传感器;模型参考自适应

Abstract:

Keywords:

基金项目(Foundation): 辽宁省教育厅基础项目（LJ2019JL011）

作者(Authors): 陈忠华;苏泽宇;王巍;赵春雨;

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