于强;孙华东;仲悟之;顾卓远;贾俊川;易俊;

• 1:电网安全与节能国家重点实验室(中国电力科学研究院有限公司)

摘要(Abstract)：

扎鲁特—青州特高压直流工程投运后,东北电网将成为我国又一高比例跨区直流送端电网。该文基于东北电网风电高渗透以及季节性供热需求约束的运行现状,分析了扎鲁特—青州直流工程投运对电网稳定特性的影响。针对直流闭锁故障,提出了适应东北电网实际情况的优化切机控制方案,并对比分析不同切机方案对电网稳态压升的影响。在此基础上探讨基于直流紧急支援的协调控制策略,减少安控机组切除量,降低电网稳态压升水平。该文所提安控策略可用于指导电网的实际运行,提升直流外送能力以及风电消纳能力。

关键词(KeyWords)： 高比例直流;稳定特性;风电高渗透;协调控制

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 于强;孙华东;仲悟之;顾卓远;贾俊川;易俊;

Email:

DOI: 10.13335/j.1000-3673.pst.2017.2931

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