±1100kV特高压直流接入系统控制策略优化Optimization of Control Strategy for ±1100 kV UHVDC Integrated AC System
李新年;雷霄;陈树勇;刘耀;祝洁;王晶芳;庞广恒;杨鹏;林少伯;班连庚;王华伟;
摘要(Abstract):
为满足未来更大容量、更远距离的输电需求,有必要进一步研究更高电压等级的直流输电技术,±1100 kV直流是我国正在研究的一个全新输电电压等级,对于提高我国直流输电技术的自主创新能力具有重大意义。基于2020年规划电网,在对原网进行等值的基础上,在电磁暂态程序上建立交直流系统研究模型,研究了送/受端交流系统故障、直流系统故障对交直流系统运行特性的影响,提出±1100 kV直流输电系统控制保护参数及配置的需求和优化措施,研究结果可为±1100 kV直流输电工程提供技术参考。
关键词(KeyWords): PSCAD/EMTDC;±1100 kV;接入系统;直流控制保护;换相失败
基金项目(Foundation): 国家电网公司科技项目(SGKJ[2012]515)~~
作者(Author): 李新年;雷霄;陈树勇;刘耀;祝洁;王晶芳;庞广恒;杨鹏;林少伯;班连庚;王华伟;
Email:
DOI: 10.13335/j.1000-3673.pst.2016.05.006
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