王雅婷;张一驰;郭小江;沈沉;乔煌煌;周勤勇;姜懿郎;马丁;

• 1:中国电力科学研究院
• 2:清华大学电机工程与应用电子技术系

摘要(Abstract)：

针对我国首个±1100 k V特高压直流工程(准东—皖南),研究了直流送受端接入系统方案。首先,对于直流送端系统,考虑直流再启动、闭锁等故障对电网的影响,采用直流安全稳定计算标准,从频率和电压稳定性角度研究送端换流站孤岛接入和联网接入2种方式的可行性。然后,对于直流受端系统,从提高多馈入短路比、抑制短路电流、平衡潮流分布3个层次,研究受端换流站单层接入500 k V、单层接入1000k V、分层接入1000 k V/500 k V这3种方式的可行性。最后,从受端换流站近区网架结构、接入通道选择等多角度研究并提出了换流站的系统接入网架方案。

关键词(KeyWords)： ±1100 kV特高压直流;送端孤岛接入;送端联网接入;受端分层接入;多馈入短路比;换流站接入网架方案

Abstract:

Keywords:

基金项目(Foundation): 国家电网公司科技项目(XT71-12-007)~~

作者(Author): 王雅婷;张一驰;郭小江;沈沉;乔煌煌;周勤勇;姜懿郎;马丁;

Email:

DOI: 10.13335/j.1000-3673.pst.2016.07.001

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