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针对故障后八开关三相逆变器驱动感应电机的占空比虚拟电压模型预测转矩控制

Duty VV-MPTC for Post-Fault Eight Switch Three-Phase Inverter Fed Induction Motor Drives With Reduced Neutral Point Voltage Fluctuation

语言:

中文摘要

本文提出了一种新型占空比调节虚拟电压矢量(VV)模型预测转矩控制(MPTC)策略,用于故障后的八开关三相逆变器驱动感应电机系统。该方法有效降低了中性点电压波动,显著提升了故障工况下的稳态转矩控制性能。

English Abstract

This article proposes a novel duty ratio regulated virtual voltage vector (VV) model predictive torque control (MPTC) strategy for post-fault eight switch three-phase inverter fed induction motor drive with reduced neutral point (NP) voltage fluctuation. The proposed method contributes to substantially improve the steady-state torque control performance under post-fault conditions. Furthermore, co...
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SunView 深度解读

该研究聚焦于逆变器故障后的容错控制及中性点电压抑制,对阳光电源的逆变器产品线具有参考价值。虽然阳光电源主流产品多为标准三相或多电平拓扑,但该算法在提升逆变器可靠性、降低故障后输出谐波及中性点波动方面的思路,可应用于组串式逆变器或储能变流器(PCS)的冗余控制策略开发。建议研发团队关注其在极端工况下的鲁棒性控制逻辑,以进一步优化iSolarCloud平台对设备故障后的性能评估与应急控制策略。