吴婧;文俊;温家良;韩民晓;彭畅;王宇;吴锐;

• 1:中国电力科学研究院
• 2:华北电力大学电子与电气工程学院

摘要(Abstract)：

高压直流三极输电技术是一种适用于交流输电线路增容改造的新技术。介绍了它的主电路结构,对其中用于实现三极输电方式的关键部分——极3的2种接线方式(即换流阀直接反并联和换流阀中的晶闸管反并联)进行了比较,得出后者更适合应用于实际工程建设中的结论。并通过数学理论推导,分析了高压直流三极输电系统所采用的电流调制控制的原理。比较了将交流输电线路转换为高压直流双极和三极输电系统后的输电容量、冗余度、过载能力和经济性,得出后者优于前者的结论。最后,根据我国现有国情,将高压直流三极输电技术与其他的增容改造方法进行了比较,并对其在我国的应用前景进行了初步的探讨。

关键词(KeyWords)： 高压直流三极输电;主电路结构;电流调制;经济性比较;增容改造;交直流转换

Abstract:

Keywords:

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

作者(Author): 吴婧;文俊;温家良;韩民晓;彭畅;王宇;吴锐;

Email:

DOI: 10.13335/j.1000-3673.pst.2013.01.016

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