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T型三电平逆变器驱动双三相永磁同步电机常见电气故障的诊断与容错

Diagnosis and Tolerance of Common Electrical Faults in T-Type Three-Level Inverters Fed Dual Three-Phase PMSM Drives

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中文摘要

本文针对安全关键型应用,研究了T型三电平逆变器驱动双三相永磁同步电机(PMSM)系统的常见电气故障诊断及容错控制方案。基于矢量空间分解和双三相空间矢量调制技术,开发了一套全面的故障诊断与容错控制方法,旨在提升系统的运行可靠性与安全性。

English Abstract

In this paper, diagnosis and tolerant control schemes have been studied for common electrical faults in T-type three-level inverter fed dual-three phase permanent magnet synchronous motor (PMSM) drives for safety-critical applications. Based on vector space decomposition and double three-phase space vector modulation, diagnostic and tolerant control methods have been developed comprehensively for ...
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SunView 深度解读

该研究聚焦于T型三电平拓扑的故障诊断与容错控制,这对阳光电源的高功率密度逆变器产品具有参考价值。虽然阳光电源目前主要聚焦于光伏与储能领域,但T型三电平拓扑广泛应用于我们的组串式逆变器及储能PCS中。该文提出的故障诊断算法可提升产品在极端工况下的可靠性,降低故障停机率。建议研发团队关注其容错控制策略,以优化现有PowerTitan或组串式逆变器在功率器件失效后的降额运行能力,从而提升系统整体的可用性与运维效率。