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首页> 外文期刊>International journal of power electronics >Bi-directional power flow control with improved power quality using intelligent controller for AC-DC coupled hybrid micro-grid system
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Bi-directional power flow control with improved power quality using intelligent controller for AC-DC coupled hybrid micro-grid system

机译：双向功率流量控制，采用智能控制器，用于AC-DC耦合混合微电网系统的智能控制器

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摘要

Grid connected renewable sources are affected by harmonic distortion due to non-linear power electronics interfaces. Depending upon the nature of the load, many conversion stages are incorporated in the micro-grid which leads to increase in the losses. Therefore, in this paper, the AC-DC coupled hybrid micro-grid system is presented in which AC renewable sources and AC loads are connected to AC sub-grid and DC renewable sources and DC loads are connected to DC sub-grid. The shunt active power filter based 3Φ 4-leg bi-directional intermediate converter using d-q load current technique is proposed to achieve the power flow between AC and DC sub-grids. The MATLAB simulation is carried out, and the performance of the proposed system is analysed using the d-q load current technique based fuzzy logic and PI controller. The obtained results demonstrate that the overall system performance is improved with the d-q load current technique based fuzzy logic controller.
机译：网格连接的可再生能源受到非线性电源电子设备界面引起的谐波失真的影响。 根据负载的性质，许多转化阶段被掺入微网格中，导致损耗的增加。 因此，在本文中，提出了AC-DC耦合混合微电网系统，其中AC可再生源和AC负载连接到AC子电网，DC再生源和DC负载连接到DC子网格。 提出了使用基于分流有源电力滤波器的3Φ4腿双向中间转换器使用D-Q负载电流技术，以实现AC和DC子网格之间的功率流。 采用MATLAB仿真进行，使用基于D-Q负载电流技术的模糊逻辑和PI控制器分析所提出的系统的性能。 所获得的结果表明，基于D-Q负载电流技术的模糊逻辑控制器，改善了整体系统性能。

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