摘要
为深入探讨多相永磁同步发电机应用于风电领域的前景,归纳了多相永磁同步电机的建模方法与电流控制策略;分析了不同实际要求下的最佳谐波注入率对输出转矩的贡献差异及其原因;总结了多相永磁同步电机在正常状态和一相开路下的统一数学模型,通过矢量控制和电流优化策略实现电机开路故障下的无扰运行。最后指出了多相永磁同步发电机在风力发电应用中面临的机遇与挑战。
To further explore the prospects of multi-phase permanent magnet synchronous generator in applying to wind power generation system,the modeling and current control strategy of multi-phase permanent magnet synchronous motor（MPMSM）is generalized. The different contributions of the output torque resulting from optimal harmonic injection rates under various actual requirements are analyzed. Unified mathematical model of MPMSM with normal operation and one phase opened is summarized,and the motor under open circuit failure can operate normally by the vector control and optimization strategies of current. Finally,it points out that the opportunities and challenges of the multi-phase permanent magnet synchronous generators in the wind power generation systems.
出处
《电气传动自动化》
2016年第1期7-15,共9页
Electric Drive Automation
关键词
多相永磁同步电机
谐波注入率
电流优化策略
容错控制
multi-phase permanent magnet synchronous motor
harmonic injection rate
optimization strategy of current
fault tolerant control
