高压柔性直流输电工程建设一次系统方案关键技术研究
摘要:基于电网实际情况和发展需求,系统分析和总结某地区采用柔性直流输电建设第二条输电通道的一次系统方案的关键技术,包括:输电方式、起点和落点选择、工程容量、直流电压等级、接入电网交流电压等级、工程建设方案、接地方案、联接变压器参数(包括:容量、变比、绕组联接方式、短路阻抗等)、PQ运行区间、交流侧短路电流和系统主接线等。柔性直流一次系统方案的研究和总结对推动柔性直流技术研究和工程应用具有重要参考价值。
Abstract:Based on the application and development requirements of power grid, the key technologies of the primary systems of the VSC-HVDC project for the second transmission channel are researched. The key technologies include electricity transmission mode, location of the sending and receiving substation, project capacity, DC voltage level, AC voltage level of the integration grid, project construction scheme, ground scheme, the parameters of the transformer (including capacity, transformation ratio, winding connection,short-circuit impedance,etc.), P-Q operation zone, the AC short-circuit current, the main electrical scheme, etc. The work in this paper has important referencing value for research and project application of VSC-HVDC projects.
标题:高压柔性直流输电工程建设一次系统方案关键技术研究
英文标题:Research on the Key Technologies of the Primary System Scheme of the VSC-HVDC Transmission Project
作者:刘云, 李庚银, 肖景良,
关键词:柔性直流工程, 一次系统, 输电通道, 方案,
发表日期:2015-06-09
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