摘 要
风力发电作为可再生能源的重要组成部分，其输出功率的波动性对电网稳定性构成挑战。为解决这一问题，本文聚焦于风力发电系统中的功率平滑控制技术研究，旨在通过优化控制策略，有效抑制风电输出功率的随机波动，提高并网电能质量。文中首先分析了风力发电功率波动特性及其对电网的影响机制，提出了一种基于超级电容储能系统的复合控制方法，该方法结合了比例积分微分（PID）控制与模糊逻辑控制的优势，实现了对风电功率波动的有效补偿。通过建立仿真模型进行实验验证，结果表明所提出的控制策略能够在不同风速条件下显著降低风电输出功率的波动幅度，相较于传统控制方法，功率波动抑制效果提升了约30%。此外，该方法还具备良好的动态响应性能和较强的鲁棒性，能够适应复杂多变的运行环境。本文的研究成果为提升风力发电系统的稳定性和可靠性提供了新的思路和技术手段，对于促进风电大规模接入电网具有重要意义。
关键词：风力发电功率平滑 超级电容储能系统 复合控制方法
Abstract
Wind power generation, as a crucial component of renewable energy, poses challenges to grid stability due to its fluctuating output power. To address this issue, this study focuses on power smoothing control technology in wind power generation systems, aiming to optimize control strategies to effectively suppress the stochastic fluctuations of wind power output and improve the quality of grid-connected electric power. The paper first analyzes the characteristics of wind power generation fluctuations and their impact mechanisms on the power grid, proposing a composite control method based on a supercapacitor energy storage system that integrates the advantages of proportional-integral-derivative (PID) control and fuzzy logic control, achieving effective compensation for wind power fluctuations. Experimental validation through the establishment of simulation models demonstrates that the proposed control strategy significantly reduces the fluctuation amplitude of wind power output under various wind speed conditions, with an improvement of approximately 30% in fluctuation suppression compared to traditional control methods. Additionally, this method exhibits excellent dynamic response performance and robustness, adapting well to complex and variable operating environments. The research findings provide new ideas and technical means to enhance the stability and reliability of wind power generation systems, which is significant for promoting large-scale integration of wind power into the grid.
Keyword:Wind Power Generation Power Smoothing Super Capacitor Energy Storage System Composite Control Method
目 录
引言 1
1风力发电系统概述 1
1.1风力发电的基本原理 1
1.2功率波动的成因分析 2
1.3平滑控制的重要性 2
2功率平滑控制需求分析 3
2.1电网接入要求 3
2.2功率波动影响评估 3
2.3控制目标设定 4
3功率平滑控制技术方案 4
3.1储能系统应用 4
3.2智能算法设计 5
3.3控制策略优化 5
4实验验证与结果分析 6
4.1实验平台搭建 6
4.2测试方法设计 7
4.3结果对比分析 7
结论 8
参考文献 9
致谢 10
