An Improved Phase-Disposition Pulse Width Modulation Method for Hybrid Modular Multilevel Converter

被引：0
|
作者：
Zhou, Fayun [1 ,2 ]
Xiang, Xinxing [1 ,2 ]
Ma, Fujun [1 ]
Wang, Yichao [1 ]
Zhou, Fangyuan [3 ]
Peng, Peng [2 ]
机构：
[1] Hunan Univ, Coll Elect & Informat Engn, Changsha 410082, Peoples R China
[2] Hunan Zhongke Elect Co Ltd, Yueyang 414000, Peoples R China
[3] Cent South Univ, Sch Automation, Changsha 410083, Peoples R China
来源：
ENERGIES | 2023年 / 16卷 / 03期
关键词：
hybrid modular multilevel converter; phase-disposition pulse width modulation; carrier displacement angles; theoretical harmonic analysis; CONTROLLER; TOPOLOGIES; OPERATION; DESIGN;
D O I：
10.3390/en16031192
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
The hybrid modular multilevel converter (MMC) consisting of half-bridge submodules (HBSMs) and full-bridge submodules (FBSMs) is a promising solution for overhead lines high-voltage direct current systems (HVDC) due to the advantages of direct current short circuit fault ride-through (DC-FRT) capability. This paper proposes an improved phase-disposition pulse width modulation (PDPWM) method for the hybrid modular multilevel converter. The number of carriers can be reduced from 3N (N is the number of submodules in each arm) to 6. The theoretical harmonic analysis of the improved PDPWM method for hybrid MMC is performed by using double Fourier integral analysis. The influence of three carrier displacement angles between HBSMs and FBSMs in the upper and lower arms on harmonic characteristics is investigated. The output voltage harmonics minimization PDPWM scheme and circulating current harmonics cancellation PDPWM scheme can be achieved by selecting the optimum carrier displacement angles, respectively. The proposed method for hybrid MMC is verified by the simulation and experimental results.
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页数：25
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