TY - GEN
T1 - Common-Mode Voltage of Back-to-Back Hybrid Modular Multilevel Converter under Third-Harmonic Injection
AU - Shen, Yanjun
AU - Han, Linjie
AU - Li, Binbin
AU - Jiao, Yingzong
AU - Xu, Dianguo
AU - Chen, Lei
AU - Xiao, Youguo
AU - Zhao, Sihan
N1 - Publisher Copyright:
© 2023 IEEE.
PY - 2023
Y1 - 2023
N2 - Modular multilevel converter (MMC) has been increasingly attractive in the medium voltage motor drives, while the limitation of its development is the large capacitor ripple at low motor speed. To solve this problem, hybrid modular multilevel converter (HMMC) topology was proposed, and this topology was extended to back-to-back HMMC (BTB-HMMC) topology for four-quadrant application. However, the BTB-HMMC topology would introduce high common-mode voltage on the motor, which is a great challenge to the insulation of the motor. This paper analyzes the common-mode voltage generated by the BTB-HMMC under the third harmonic injection. An improved BTB-HMMC topology is introduced to reduce the common-mode voltage. Moreover, the capacitor voltage ripple is analyzed under the third harmonic injection. Simulation results are included in this paper to verify the analyses.
AB - Modular multilevel converter (MMC) has been increasingly attractive in the medium voltage motor drives, while the limitation of its development is the large capacitor ripple at low motor speed. To solve this problem, hybrid modular multilevel converter (HMMC) topology was proposed, and this topology was extended to back-to-back HMMC (BTB-HMMC) topology for four-quadrant application. However, the BTB-HMMC topology would introduce high common-mode voltage on the motor, which is a great challenge to the insulation of the motor. This paper analyzes the common-mode voltage generated by the BTB-HMMC under the third harmonic injection. An improved BTB-HMMC topology is introduced to reduce the common-mode voltage. Moreover, the capacitor voltage ripple is analyzed under the third harmonic injection. Simulation results are included in this paper to verify the analyses.
KW - capacitor voltage ripple
KW - common-mode voltage
KW - modular multilevel converter
KW - third harmonic injection
UR - https://www.scopus.com/pages/publications/85182325376
U2 - 10.1109/ICEMS59686.2023.10344350
DO - 10.1109/ICEMS59686.2023.10344350
M3 - 会议稿件
AN - SCOPUS:85182325376
T3 - 2023 26th International Conference on Electrical Machines and Systems, ICEMS 2023
SP - 2513
EP - 2517
BT - 2023 26th International Conference on Electrical Machines and Systems, ICEMS 2023
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - 26th International Conference on Electrical Machines and Systems, ICEMS 2023
Y2 - 5 November 2023 through 8 November 2023
ER -