A Novel Control Strategy for the PMSG Wind Turbine Integration with Battery Storage System

2022 12th International Conference on Power and Energy Systems (ICPES) Pub Date : 2022-12-23 DOI:10.1109/ICPES56491.2022.10073190

Decai Li, Yalou Li, Yiying Zhu, Guangheng Pang, Shangjin Yang, Tao Hu

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引用次数: 1

Abstract

In order to improve wind turbines grid connection stability, this paper proposes a novel control strategy for the hybrid system with a permanent magnet synchronous generator (PMSG) wind turbine and battery storage system. The control strategy contains three parts: machine-side converter (MSC) control, grid-side converter (GSC) control and battery converter control. MSC control achieves wind turbines maximum power point tracking (MPPT) algorithm, and GSC control is used to control the wind turbine output power, while the DC-link voltage is maintained by the battery DC-DC converter. In this way, the proposed control strategy could decouple the DC-link voltage and output power of the wind turbine. Therefore, the disturbance of DC-link voltage will not affect the normal operation of GSC, and then wind turbine grid connection stability can be improved. The time-domain modelling and simulations are carried out in MATLAB software and demonstrate that the proposed system can operate in the weak grid.

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PMSG风力发电机组与蓄电池系统集成的一种新型控制策略

为了提高风力发电机组并网稳定性，提出了一种永磁同步发电机(PMSG)风力发电机组与蓄电池储能系统混合系统的控制策略。该控制策略包括三部分:机侧变流器(MSC)控制、电网侧变流器(GSC)控制和蓄电池变流器控制。MSC控制实现风电机组最大功率点跟踪(MPPT)算法，GSC控制控制风电机组输出功率，而dc链路电压由蓄电池DC-DC变换器维持。这样，所提出的控制策略可以实现风力机直流链路电压和输出功率的解耦。因此，直流链路电压的扰动不会影响GSC的正常运行，从而提高风电机组并网稳定性。在MATLAB软件中进行了时域建模和仿真，结果表明该系统可以在弱电网中正常工作。

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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2022 12th International Conference on Power and Energy Systems (ICPES)

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