风电场并网对电力系统稳定性影响研究
摘要
本文旨在深入研究风电场并网对电力系统稳定性的影响。随着可再生能源的快速发展，风电作为一种重要的清洁能源，其并网规模日益扩大。然而，风电场并网带来的电力系统稳定性问题也日益凸显。文章首先概述了风电场并网的基本原理、主要技术和发展趋势。在此基础上，详细分析了风电场并网对电力系统动态稳定性、静态稳定性和频率稳定性的影响机制。研究指出，风电场输出功率的波动性和不确定性对电力系统的稳定性构成了严峻挑战。特别是，当风电场渗透率较高时，电力系统的稳定性问题更加突出。针对风电场并网稳定性能存在的问题，本文提出了相应的提升策略。通过应用风电功率平滑技术、增强电网侧电压支撑能力以及提高系统惯量和调节能力等措施，可以有效提升风电场并网后的电力系统稳定性。这些策略不仅有助于保障电力系统的安全稳定运行，还能促进风电等可再生能源的可持续发展。本研究对于深入理解风电场并网对电力系统稳定性的影响，以及制定有效的应对策略具有重要的理论和实践意义。未来，随着风电技术的不断进步和电力系统结构的不断优化，风电场并网稳定性问题将得到进一步解决。关键词：风电场并网；电力系统稳定性；风能转换机制；并网控制技术
Abstract
This article aims to conduct in-depth research on the impact of wind farm grid connection on the stability of the power system. With the rapid development of renewable energy, wind power, as an important clean energy source, is increasingly being connected to the grid. However, the stability issues of the power system brought about by the integration of wind farms into the grid are becoming increasingly prominent. The article first outlines the basic principles, main technologies, and development trends of wind farm grid connection. On this basis, the impact mechanism of wind farm grid connection on the dynamic stability, static stability, and frequency stability of the power system was analyzed in detail. Research has shown that the volatility and uncertainty of wind farm output power pose a serious challenge to the stability of the power system. Especially when the penetration rate of wind farms is high, the stability issue of the power system becomes more prominent. This article proposes corresponding improvement strategies for the stability performance of wind farm grid connection. By applying wind power smoothing technology, enhancing the voltage support capability on the grid side, and improving system inertia and regulation capabilities, the stability of the power system after wind farms are connected to the grid can be effectively improved. These strategies not only help ensure the safe and stable operation of the power system, but also promote the sustainable development of renewable energy sources such as wind power. This study has important theoretical and practical significance for a deeper understanding of the impact of wind farm grid connection on power system stability and the development of effective response strategies. In the future, with the continuous advancement of wind power technology and the continuous optimization of power system structure, the stability problem of wind farm grid connection will be further solved.
Keywords：Wind farm grid connection; Power system stability; Wind energy conversion mechanism; Grid connected control technology
目 录
摘要 I
Abstract II
一、绪论 1
（一）研究背景及意义 1
（二）研究目的和内容 1
（三）国内外研究现状 2
二、风电场并网技术概述 3
（一）风电场并网的基本原理 3
（二）风电场并网的主要技术 3
（三）风电场并网技术的发展趋势 4
三、风电场并网对电力系统稳定性的影响机制 5
（一）风电场并网对电力系统动态稳定性的影响 5
（二）风电场并网对电力系统静态稳定性的影响 5
（三）风电场并网对电力系统频率稳定性的影响 6
四、风电场并网稳定性能存在问题 7
（一）输出功率波动大 7
（二）电压控制与调节困难 7
（三）频率稳定性问题 8
五、风电场并网稳定性提升策略 9
（一）应用风电功率平滑技术 9
（二）增强电网侧电压支撑能力 9
（三）提高系统惯量和调节能力 10
结 论 11
参考文献 12
