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首页> 外文会议>Iranian Conference on Electrical Engineering >A Hybrid Control Strategy for Stable Operation of Converter-Based DG Resources in Distribution Grids with Shunt Active Power Filter Capability
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A Hybrid Control Strategy for Stable Operation of Converter-Based DG Resources in Distribution Grids with Shunt Active Power Filter Capability

机译：具有分流电网分流网格中转换器的DG资源稳定运行的混合控制策略

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摘要

In this paper, a hybrid control strategy for integration of distributed generations (DGs) to distribution grids using power converters is suggested. The fuzzy tracking control based on Lyapunov function is presented for the current loop of the interfaced converter to overcome the problems of conventional control methods. The proposed control plan guarantees the system stability, appropriate tracking of the reference currents and gives a proper transient waveform. By means of the proposed control plan, the grid-interfacing converter will be utilized as: 1) power converter to inject the active power extracted from DGs to the grid, and 2) shunt active power filter (SAPF) to provide the reactive, harmonic, neutral and unbalanced currents of the grid-connected loads with a quick dynamic response. The simulation results, carried out through MATLAB/Simulink software, demonstrate the suitable operation of the suggested control plan.
机译：在本文中，提出了一种用于使用功率转换器集成分布式代代（DGS）的混合控制策略。 基于Lyapunov函数的模糊跟踪控制为接口转换器的电流回路克服了常规控制方法的问题。 建议的控制计划保证了系统稳定性，适当跟踪参考电流并提供适当的瞬态波形。 通过提出的控制计划，电网接口转换器将用作：1）功率转换器将从DGS提取的电力转换器注入到电网，2）分流有源电力滤波器（SAPF）以提供反应性，谐波 具有快速动态响应的网格连接负载的中性和不平衡电流。 通过Matlab / Simulink软件进行的仿真结果，展示了建议的控制计划的合适操作。

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