← 返回

基于状态观测器残差时域分析的交错并联变换器开路故障识别方法

Open-Circuit Fault Identification Method for Interleaved Converters Based on Time-Domain Analysis of the State Observer Residual

语言:

中文摘要

本文针对多相交错并联变换器,提出了一种基于状态观测器残差时域分析的开路故障诊断方法。该方法利用交错并联结构的冗余特性,在不损失纹波抑制性能的前提下,实现故障的快速识别与定位,对于提升电力电子系统在连续运行工况下的容错能力具有重要意义。

English Abstract

Fault-tolerance capability is a critical matter in power conversion systems that require continuous operation. Multiphase converters provide an inherent redundancy that gives them fault-tolerant capability. In addition, the interleaved operation of these converters provides them with some advantages regarding total current ripple, which otherwise would be lost under a fault condition. This issue c...
S

SunView 深度解读

该技术对阳光电源的核心产品线(如组串式逆变器、储能变流器PCS)具有极高的应用价值。阳光电源的组串式逆变器广泛采用多路MPPT及交错并联技术,该故障诊断方法能有效提升系统在复杂工况下的可靠性,缩短运维响应时间,降低iSolarCloud平台的故障误报率。建议研发团队将该观测器算法集成至DSP控制固件中,实现对功率模块开路故障的实时预警,从而进一步提升产品在极端环境下的可用性,增强市场竞争力。