2 papers
eess.SY2025
Exploiting the Hidden Capacity of MMC Through Accurate Quantification of Modulation Indices
Qianhao Sun, Jingwei Meng, Ruofan Li +5
The modular multilevel converter (MMC) has become increasingly important in voltage-source converter-based high-voltage direct current (VSC-HVDC) systems. Direct and indirect modul…
eess.SY2025
A Grid-Forming HVDC Series Tapping Converter Using Extended Techniques of Flex-LCC
Qianhao Sun, Ruofan Li, Jichen Wang +5
This paper discusses an extension technology for the previously proposed Flexible Line-Commutated Converter (Flex LCC) [1]. The proposed extension involves modifying the arm intern…