双时间尺度电-气耦合网络动态潮流计算Electric-gas coupled network dynamic energy flow calculation based on double-time scale
葛维春;张明理;王义贺;潘霄;周桂平;
摘要(Abstract):
为了解决综合能源系统导在时间尺度上存在显著差异,以及网络潮流计算计算时间长和难度大的问题.通过kiuchi隐式方法,建立电-气网络的动态模型,求解天然气管道的动态潮流方程;并基于奇异摄动理论建立了燃气轮机的摄动模型,提出了一种多时间尺度特性的动态潮流算法.最后,对IEEE-9节点电力系统和3节点的天然气网络的耦合多能系统中进行仿真验证.结果表明:通过使用多时间尺度计算方法可以有效减少计算时间,并且燃气轮机入口流量变化会影响天然气网络潮流分布.
关键词(KeyWords): 气网动态模型;燃气轮机动态模型;奇异摄动;摄动模型;动态潮流
基金项目(Foundation): 国网辽宁省电力有限公司科技项目(2018ZX-18)
作者(Authors): 葛维春;张明理;王义贺;潘霄;周桂平;
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