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电网技术  2006 

云南-广东±800kV直流输电系统动态等值研究

, PP. 6-10

Keywords: 南方电网,动态等值,云广直流,潮流,短路电流,电力系统

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Abstract:

为向云(南)—广(东)直流输电工程的物理设备动模仿真实验提供动态等值研究方法。在保持电网动态特性,同时缩减计算规模的前提下,应用同调机组聚合和网络化简等动态等值方法,对2010年南方-香港互联电网进行了等值研究,提出保留直流系统、主要交流通道和对系统稳定性有重要影响的厂站的等值方案,据此得到简化系统。通过比较等值前后电网潮流分布、重要母线短路电流及系统暂态行为变化等情况,证明了所提动态等值方案的合理性及简化系统的工程实用性。

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