基于有源阻尼LLCL滤波器的并网三相逆变器稳定性分析

2014 26th International Conference on Microelectronics (ICM) Pub Date : 2014-12-01 DOI:10.1109/ICM.2014.7071851

A. Massoud, L. Ben‐Brahim, A. Hamid, B. Williams, D. Holliday

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引用次数: 2

摘要

电力无源滤波器是电网谐波衰减的标准解决方案。然而，这些类型的滤波器可能会导致逆变器和电网之间的共振。共振衰减采用被动和主动阻尼技术。与被动阻尼技术相比，效率方面的考虑使主动阻尼技术成为解决共振问题的有希望的解决方案。本文研究了与三相电压源逆变器(VSI)相连接的LLCL无源电力滤波器的不同有源阻尼方案的特性、性能和效果。对基于llcl的并网VSI进行了稳定性分析。通过Matlab/Simulink平台的仿真结果对所提出的概念进行了验证。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Stability analysis of an active-damped LLCL filter- based grid-connected three-phase inverter

Power passive filters are a standard solution for grid-current harmonics attenuation. However, these types of filters may cause a resonance between the inverter and the grid. Passive and active damping techniques are employed for resonance ttenuation. Efficiency concerns have set active damping techniques as promising solution for the resonance problem compared to the passive damping techniques. In this paper, the characteristics, performance, and effect of different active damping schemes applied to an LLCL passive power filter interfacing a three-phase voltage source inverter (VSI) to the grid is investigated. Stablity analysis is conducted for the LLCL-based grid-connected VSI. The presented concept has been elucidated by simulation results using Matlab/Simulink platform.

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2014 26th International Conference on Microelectronics (ICM)

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