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特高压交直流电网输电技术及运行特性综述 预览 被引量:11

Research on Transmission Technologies and Operational Performance of UHV AC/DC Power Grid in China
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摘要 特高压电网的建设解决了我国一次能源与需求呈逆向分布的矛盾,能够满足各类大型能源基地的发展与大规模新能源接入。介绍了交直流输电技术的发展现状及其特点,阐明了我国特高压电网“强直弱交”特性突出,探讨了交直流电网之间的相互作用及影响,最后根据现存问题提出了应对措施,主要目的在于使特高压交直流混联电网适应当下大电网运行模式,从而保障电网运行安全稳定。 The contradiction between energy demands and its distribution range has been solved by the construction of ultra-high voltage (UHV)grid, meeting the requirements for developing large-scale energy base and connecting large-scale renewable to the grid. This paper introduces the status and characteristics of AC/DC transmission technologies, concludes that the basic characteristics of "strong DC and weak AC" become increasingly prominent, and makes a research on the interaction of AC/DC power grids. Finally, according to the problems with the above statements in the operation of the grid, the paper proposes some countermeasures, making UHV AC/DC hybrid power grid suitable for the operation model of large power grid to guarantee the security and stability of the grid.
作者 张天 龚雁峰 ZHANG Tian, GONG Yanfeng (North China Electric Power University, Beijing 102206, China)
机构地区 华北电力大学
出处 《智慧电力》 北大核心 2018年第2期87-92,共6页 Shanxi Electric Power
关键词 特高压电网 交直流输电技术 强直弱交 交直流混联电网 新能源大规模接入 UHV grid AC/DC transmission technology strong DC and weak AC AC/DC hybrid power grid large-scale renewable energy integration
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