Stator Synchronization and Dynamic Operations of CBF-FLL Filter Controlled Wind Driven DFIG-Battery Based Microgrid for Rural Electrification

2021 IEEE 6th International Conference on Computing, Communication and Automation (ICCCA) Pub Date : 2021-12-17 DOI:10.1109/iccca52192.2021.9666274

S. Sahoo, Bhim Singh

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引用次数: 2

Abstract

In this paper, an unique wind turbine driven doubly fed induction generator (DFIG)-battery energy storage (BES) based microgrid topology is proposed, which is suitable for rural electrification. In this system, a local grid is formed by BES and the stator of the machine is connected to it, when the wind turbine (WT) operates in peak power point (PPP) zone. Step by step procedures for stator synchronization are given. Complex band pass filter - frequency locked loop (CBF-FLL) based control algorithm is utilised for load side converter (LSC) to get enhanced dynamic response of the system in all winds and loading conditions. The simulation of the system is done in different operating conditions, such as: synchronization, transient conditions like: changing wind speeds, and changing load condition using Simulink/MATLAB. The THD of stator currents and the grid voltages are obtained within the limit of the IEEE 519 standard. Moreover the stator operates at unity power factor (UPF). So, power quality improvement is achieved.

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基于CBF-FLL滤波器控制的农村电气化d无花果电池微电网定子同步与动态运行

本文提出了一种独特的、适合农村电气化的基于风力发电机驱动双馈感应发电机(DFIG)-电池储能(BES)的微电网拓扑结构。在该系统中，当风力发电机组(WT)运行在峰值功率点(PPP)区域时，由BES组成局部电网，定子与之相连。给出了定子同步的逐步步骤。采用基于复杂带通滤波器-锁频环(CBF-FLL)的控制算法对负载侧变流器进行控制，以增强系统在各种风向和负载条件下的动态响应。利用Simulink/MATLAB对系统在同步、变风速等瞬态工况、变负载工况等不同工况下进行了仿真。定子电流的THD和电网电压的THD在IEEE 519标准的限制范围内得到。定子工作在单位功率因数(UPF)下。因此，电能质量得到了改善。

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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2021 IEEE 6th International Conference on Computing, Communication and Automation (ICCCA)

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