带 LCL 滤波器的三相并网直流-交流逆变器的故障检测、隔离和估计

IF 2.4 Q2 AUTOMATION & CONTROL SYSTEMS IEEE Control Systems Letters Pub Date : 2024-06-18 DOI:10.1109/LCSYS.2024.3416404
Marouane Laaziz;Florentina Nicolau;Malek Ghanes;Jean-Pierre Barbot;Robert Boisliveau;Nadia Machkour
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引用次数: 0

摘要

这封信专门讨论了通过三个 LCL 滤波器与电网相连的三相 DC-AC(直流-交流)逆变器的对称和非对称故障检测、隔离和估计。系统建模和故障估算算法在 abc 框架下进行,可考虑逐相非对称故障。该算法以左反演技术为基础,使用超扭曲微分器从给定的测量值中估算系统的状态成分。本文介绍了支持所提方法的仿真结果。
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Fault Detection, Isolation, and Estimation for a Three-Phase Grid Connected DC-AC Inverter With LCL Filters
This letter is dedicated to symmetric and asymmetric fault detection, isolation, and estimation of a three-phase DC-AC (Direct Current-Alternating Current) inverter connected to the grid by three LCL filters. The system modeling and the faults estimation algorithm are performed in the abc frame allowing to take into account phase by phase asymmetrical faults. It is based on a left inversion technique and uses the super-twisting differentiator in order to estimate the state components of the system from the given measurements. Simulations to support the proposed approach are presented.
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来源期刊
IEEE Control Systems Letters
IEEE Control Systems Letters Mathematics-Control and Optimization
CiteScore
4.40
自引率
13.30%
发文量
471
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