← 返回

五相永磁同步电机任意单相开关开路故障下的简化故障诊断通用容错SVPWM策略

Universal Fault-Tolerant SVPWM Strategy With Simplified Fault Diagnosis for Five-Phase PMSM Under Arbitrary Phase Single Open-Switch Fault

语言:

中文摘要

针对五相永磁同步电机(PMSM)逆变器容错能力弱及传统故障诊断复杂的问题,本文提出了一种通用的容错空间矢量脉宽调制(SVPWM)策略。该方法简化了故障诊断流程,无需针对不同故障相位进行复杂的重构,显著提升了容错算法的通用性和系统可靠性。

English Abstract

The standard inverter topology of five-phase permanent magnet synchronous motor (PMSM) has weaker fault-tolerant capability than other complex drives. Additionally, traditional open-switch fault-tolerant strategies demand precise diagnosis methods involving numerous states of different phases and reconfiguration according to fault phase change. To enhance fault-tolerant algorithm applicability, a ...
S

SunView 深度解读

该研究聚焦于多相电机驱动系统的容错控制与故障诊断,虽然阳光电源目前的核心业务集中在光伏逆变器和储能变流器(PCS),但其在风电变流器及大功率电机驱动领域有技术布局。该策略中关于“简化故障诊断”和“通用容错SVPWM”的思想,可借鉴应用于阳光电源大功率风电变流器或未来多电平并网逆变器的可靠性设计中。通过优化故障诊断算法,可提升产品在极端工况下的运行稳定性,降低维护成本,对提升iSolarCloud智能运维平台的故障预警与诊断精度具有参考价值。