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一种具备零序电压调节能力且能减少开关动作的开绕组FMDRM驱动改进电压矢量调制策略

Modified Voltage Vector Modulation Strategy for Open-Winding FMDRM Drives With Switching Action Reduction Capable of ZSV Regulation

语言:

中文摘要

得益于直流偏置正弦电流励磁,磁通调制双凸极电机(FMDRM)驱动系统具备零序电压(ZSV)调节能力,从而实现直流偏置电流控制。本文针对共直流母线的开绕组变换器,提出了一种改进的电压矢量调制策略,通过重新分配零矢量作用时间,在实现ZSV调节的同时有效降低了开关动作频率。

English Abstract

Thanks to the dc-biased sinusoidal current excitation, the flux modulated doubly-salient reluctance motor (FMDRM) drive is endowed with the zero-sequence voltage (ZSV) regulation ability to achieve dc-biased current control. The open-winding converter with a common dc bus is widely utilized and the ZSV regulation is achieved by redistributing the duration time of zero vectors, which significantly ...
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SunView 深度解读

该文献探讨的开绕组电机驱动及零序电压(ZSV)调节技术,主要应用于高性能电机驱动领域。虽然阳光电源目前的核心业务聚焦于光伏逆变器、储能PCS及风电变流器,但其提出的“减少开关动作频率”的调制优化思路,对于提升阳光电源大功率组串式逆变器或风电变流器中功率模块的效率、降低开关损耗具有参考价值。此外,该技术中涉及的零序电压抑制与控制逻辑,可为阳光电源在复杂电网环境下提升并网逆变器的电磁兼容性(EMC)和控制稳定性提供算法借鉴。