摘要
本论文针对超高压直流输电技术在电网建设中的应用进行了全面而深入的研究。在全球能源需求持续增长、电力网络日益复杂化的背景下，超高压直流输电技术凭借其远距离、大容量、低损耗的显著优势，在电网建设中发挥着不可替代的作用。本文概述了超高压直流输电技术的原理、关键技术及其独特特点，揭示了其在现代电网建设中的核心地位。进一步地，论文详细探讨了超高压直流输电技术在电网建设中的具体应用，如跨大区电网互联、新能源远距离输送等，展示了其在促进能源优化配置、提升电网运行效率方面的巨大潜力，随着技术的广泛应用，超高压直流输电技术也面临着诸多挑战，如电磁环境问题、设备可靠性等。针对这些挑战，本文提出了一系列优化策略和技术创新方向，包括技术创新、控制策略优化、环境保护措施等，旨在进一步提升超高压直流输电技术的效率和可靠性，降低对环境的影响，为电网建设提供更加稳定、可靠的支撑。论文对超高压直流输电技术的未来发展趋势进行了展望。随着智能电网和新能源技术的快速发展，超高压直流输电技术将在电网建设中发挥更加重要的作用，为能源传输和电网安全稳定运行提供有力支撑。同时，这也为未来的研究和实践提供了新的方向和思路。
关键词：超高压直流输电技术；电网建设；长距离输电
Abstract
This paper studies the application of UHVDC transmission technology in power grid construction. Under the background of continuous growth of global energy demand and increasing complexity of power network, uHVDC transmission technology plays an irreplaceable role in power grid construction by virtue of its significant advantages of long distance, large capacity and low loss. This paper summarizes the principle, the key technology and its unique characteristics of the uHVDC transmission technology, and reveals its core position in the modern power grid construction. Further, the paper discusses in detail the specific application of HVDC transmission technology in the construction of power grid, such as across regional grid interconnection, new energy long-distance transmission, etc., shows its in promoting energy optimization configuration, improve the efficiency of huge potential, with the wide application of technology, HVDC transmission technology also faces many challenges, such as electromagnetic environment problems, equipment reliability, etc. In view of these challenges, this paper puts forward a series of optimization strategies and technological innovation directions, including technological innovation, control strategy optimization, environmental protection measures, etc., aiming to further improve the efficiency and reliability of uHVDC transmission technology, reduce the impact on the environment, and provide more stable and reliable support for power grid construction. This paper discusses the future development trend of UHVDC transmission technology. With the rapid development of smart grid and new energy technologies, uHVDC transmission technology will play a more important role in the power grid construction, providing strong support for energy transmission and the safe and stable operation of the power grid. At the same time, it also provides new directions and ideas for the future research and practice.
Keywords：Ultra HVDC technology; grid construction; long distance transmission
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、超高压直流输电技术概述 3
（一）超高压直流输电技术的起源 3
（二）超高压直流输电技术原理 3
（三）超高压直流输电技术与传统交流输电技术的比较 3
三、超高压直流输电技术的关键技术 5
（一）换流站技术 5
（二）直流线路技术 5
（三）控制与保护技术 5
四、超高压直流输电技术在电网建设中的应用 7
（一）跨大区电网互联 7
（二）新能源远距离输送 7
（三）城市电网增容改造 7
（四）海岛及偏远地区供电 8
五、超高压直流输电技术在电网建设中的优化策略 9
（一）加强输电通道调度运行效率 9
（二）提升新能源输送的灵活性 9
（三）利用地下直流电缆进行增容改造 9
（四）优化海岛及偏远地区供电系统结构 10
结 论 11
参考文献 12
