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一种用于开口绕组永磁同步电机以减少高调制不可测区域的相电流重构方法

A Phase Current Reconstruction Method for Open-End Winding Permanent Magnet Synchronous Machine to Reduce Immeasurable Regions of High Modulation

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中文摘要

针对开口绕组永磁同步电机(OEW-PMSM)系统,本文提出了一种共直流母线型相电流重构方法。该方法旨在优化中矢量调制下的电流重构精度与可靠性,通过改进高调制区域的参考电压矢量处理,有效缩小了电流不可测区域,提升了电机驱动系统的控制性能。

English Abstract

Aiming at improving the accuracy and reliability of the reconstructed current of open-end winding permanent magnet synchronous machine (OEW-PMSM) systems, a phase current reconstruction method of a common dc bus type OEW-PMSM system is proposed to reduce the immeasurable regions of the medium vector modulation method. In the immeasurable regions of high modulation, the reference voltage vector is ...
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SunView 深度解读

该文献探讨的开口绕组电机驱动及电流重构技术,在电机控制算法层面具有参考价值。虽然阳光电源目前核心业务聚焦于光伏逆变器、储能PCS及风电变流器,但该技术中涉及的“减少不可测区域”及“改进空间矢量调制”的思路,可迁移至阳光电源的储能变流器(PCS)或风电变流器控制策略中,特别是在提升低开关频率下的电流采样精度和系统动态响应方面。建议研发团队关注其调制算法优化逻辑,以进一步提升变流器在复杂工况下的控制鲁棒性。