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电网技术  2015 

±±1100kV特高压直流系统试验方案研究

DOI: 10.13335/j.1000-3673.pst.2015.10.020, PP. 2815-2821

Keywords: ±,1100,kV特高压直流示范工程,±,800,kV特高压系统试验,分层接入,试验方案

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Abstract:

分析了准东—皖南±1100kV特高压直流示范工程的特点以及哈郑和溪浙±800kV直流工程现场系统试验发现的主要技术问题。重点对受端高低端换流器分层接入500kV/1000kV交流电网控制保护性能、附加功率控制以及安稳装置的接口问题进行了分析。基于上述分析结果,结合±1100kV特高压直流系统仿真计算分析结果,提出了系统试验项目,内容包括基本的控制保护、监控、设备性能试验项目、换流站辅助系统试验、换流器控制与阀基电子接口试验、分层接入试验、换流变产气验证试验、融冰方式试验和直流偏磁测试试验等。这些研究成果为编制系统试验方案奠定了技术基础。

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