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电力电子技术在电力系统稳定控制中的应用

摘    要


随着电力系统向高效、可靠和智能化方向发展,电力电子技术在电力系统稳定控制中的应用变得尤为重要。本文首先介绍了研究背景与意义,强调了电力电子技术对于提高电力系统稳定性的关键作用,并回顾了国内外的研究现状,指出了当前研究的不足之处。本文详细阐述了电力电子技术的基础知识,包括各类变换器的原理、控制策略以及在电力系统中的应用方式。对电力系统稳定控制理论进行了深入探讨,分析了电力系统的动态行为及其稳定性问题。在此基础上,本文重点讨论了电力电子技术在电力系统稳定控制中的作用机制,包括如何通过调节无功功率、改善电压质量、抑制谐波等方式来提升系统的稳定性。本文还展望了电力电子技术与电力系统稳定控制的融合趋势,如智能电网技术的发展将使两者的结合更加紧密。在应用分析部分,本文详细介绍了静态无功补偿技术(SVC与STATCOM)、柔性交流输电系统(FACTS)、高压直流输电技术(HVDC)以及储能技术在稳定控制中的应用案例,展示了这些技术如何有效地解决实际问题。然而,本文也指出了电力电子技术在电力系统稳定控制中面临的一些问题,包括技术应用的局限性、经济性与成本考量、可靠性与安全性问题以及标准化与互操作性问题。针对这些问题,本文提出了相应的对策,如加强技术创新与优化、开展全面的经济性评价研究、提高设备的可靠性与安全性以及推动标准化与互操作性建设等。最后,本文总结了研究成果,并对未来的研究方向进行了展望。



关键词:电力电子技术  电力系统稳定控制  应用分析




Abstract

With the development of power system towards high efficiency, reliability and intelligence, the application of power electronic technology in power system stability control becomes particularly important. This paper first introduces the research background and significance, emphasizes the key role of power electronic technology in improving the stability of power system, and reviews the research status at home and abroad, and points out the shortcomings of current research. Then, the basic knowledge of power electronics technology is described in detail, including the principle, control strategy and application in power system of various converters. At the same time, the theory of power system stability control is deeply discussed, and the dynamic behavior and stability of power system are analyzed. On this basis, this paper focuses on the mechanism of power electronic technology in power system stability control, including how to improve the stability of the system by adjusting reactive power, improving voltage quality, suppressing harmonics and so on. In addition, this paper also looks forward to the integration trend of power electronics technology and power system stability control, such as the development of smart grid technology will make the combination of the two more closely. In the application analysis part, this paper introduces the application cases of static reactive power compensation technology (SVC and STATCOM), flexible AC transmission system (FACTS), high voltage direct current transmission technology (HVDC) and energy storage technology in stability control in detail, and shows how these technologies can effectively solve practical problems. However, this paper also points out some problems faced by power electronic technology in power system stability control, including the limitations of technology application, economic and cost considerations, reliability and security issues, standardization and interoperability issues. To solve these problems, this paper puts forward corresponding countermeasures, such as strengthening technological innovation and optimization, carrying out comprehensive economic evaluation research, improving equipment reliability and safety, and promoting standardization and interoperability construction. Finally, this paper summarizes the research results and looks forward to the future research direction.




Keyword:Power electronic technology  Power system stability control  Application analysis



目    录

1绪论 1

1.1研究背景及意义 1

1.2国内外研究现状 1

1.3研究内容及目的 1

2电力电子技术与电力系统稳定控制理论 1

2.1电力电子技术基础 1

2.2电力系统稳定控制理论 2

2.3电力电子技术在稳定控制中的作用机制 2

3电力电子技术在电力系统稳定控制中的应用分析 3

3.1静态无功补偿技术(SVC与STATCOM) 3

3.2柔性交流输电系统(FACTS) 3

3.3高压直流输电技术(HVDC) 3

4电力电子技术在电力系统稳定控制中面临的问题 4

4.1技术应用局限性 4

4.2经济性与成本考量 4

4.3可靠性与安全性问题 5

4.4标准化与互操作性问题 6

5电力电子技术在电力系统稳定控制中的对策 6

5.1技术创新与优化 6

5.2经济性与成本效益分析 7

5.3提高可靠性与安全性 8

5.4推动标准化与互操作性建设 9

6结论 9

参考文献 11

致谢 12


 

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