本文關鍵詞：適用于電壓源換流器型高壓直流輸電的模塊化多電平換流器最新研究進展，由筆耕文化傳播整理發(fā)布。

適用于電壓源換流器型高壓直流輸電的模塊化多電平換流器最新研究進展

New Prospects of Modular Multilevel Converter Applied to Voltage Source Converter High Voltage Direct Current Transmission

[1] [2] [3] [4] [5]

WEI Yanfang, WEI Zhinong, SUN Guoqiang, SUN Yonghui, TENG Dehong （Research Center for Renewable Energy Generation Engineering, Ministry of Education, Hohai University, Nanjing 2

河海大學可再生能源發(fā)電技術教育部工程研究中心,南京210098

文章摘要：模塊化多電平換流器（modular multilevel converter,MMC）為多電平換流器家族中的一員,其技術特點非常適用于電壓源換流器型高壓直流（voltage source converter high voltage direct current,VSC-HVDC）輸電領域。為了分析MMC的最新研究進展,首先介紹了MMC的拓撲電路及其工作原理,分析了其技術特點和應用領域,比較了其相對于傳統(tǒng)2電平和3電平VSC拓撲的優(yōu)勢所在。然后分別從MMC的數(shù)學模型、調(diào)制策略、子模塊電容均壓、預充電、內(nèi)部環(huán)流、控制方面、換流閥試驗以及其在VSC-HVDC系統(tǒng)中的工程應用等方面,回顧了MMC目前在國內(nèi)外的最新研究進展和工程應用現(xiàn)狀,并指出了MMC自身的缺點和今后亟待研究的關鍵問題。已有的研究表明,MMC在電力系統(tǒng)中有著廣闊的應用前景,是未來高壓直流輸電技術的一個重要發(fā)展方向。

Abstr：The modular multilevel converter（MMC） is a member of multilevel converter family, and is suitable for being applied in muhilevel converter topology for voltage source converter high voltage direct current（VSC-HVDC） transmission due to its many advantages. To review the recent advances in the area of MMC technology, which has half bridge terminology, we firstly introduced the topology circuit, operating principle, technical characteristics and application fields of MMC, then analyzed the advantages of MMC by comparing with two level and three level VSC converter, and described the latest research and engineering application status of MMC, especially the research of mathematical model, modulation strategy, capacitor voltage balancing, precharge, circulating current, control, valves test, and the application in VSC-HVDC. Finally, we put forward the disadvantages and key issues to be urgently solved of MMC for the future. It is shown that MMC has extensive application prospect and is one of an important development direction for power HVDC transmission in future.

文章關鍵詞：

Keyword：:modular multilevel converter （MMC） voltage source converter （VSC） high voltage direct current （HVDC） mathematical model modulation strategy capacitor voltage balancing precharge circulating current

課題項目：國家自然科學基金（50877024;51107032;61104045）

  本文關鍵詞：適用于電壓源換流器型高壓直流輸電的模塊化多電平換流器最新研究進展，，由筆耕文化傳播整理發(fā)布。