高媛;韩民晓;

• 1:华北电力大学电气与电子工程学院

摘要(Abstract)：

随着传统高压直流输电容量的不断增大,受端系统电压支撑能力限制特高压直流应用的问题变得越来越突出。在分析特高压单端馈入存在的局限性的基础上,提出多端单层馈入和多端分层馈入2种方式。根据节点阻抗矩阵推导出不同馈入方式下的受端系统短路比,并进行对比分析。以向上和德宝直流工程为算例,比较不同馈入方式下的受端系统短路比及功率传输特性曲线,验证多端馈入的优势。从直流联网、系统扩建等方面给出了各种馈入方式的优缺点。最后对未来的特高压直流输电接入方式给出合理建议。

关键词(KeyWords)： 特高压直流输电;多端单层馈入;多端分层馈入;短路比;功率传输曲线

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目(51177044)~~

作者(Author): 高媛;韩民晓;

Email:

DOI: 10.13335/j.1000-3673.pst.2014.12.028

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