MMC circulation suppression strategy based on improved PIR with notch filter

Kuangwei Zhang; Jie Zhou; Tong Wang; Shaojie Zhang

doi:10.1117/12.3030263

5 June 2024 MMC circulation suppression strategy based on improved PIR with notch filter

Kuangwei Zhang, Jie Zhou, Tong Wang, Shaojie Zhang

Proceedings Volume 13163, Fourth International Conference on Mechanical, Electronics, and Electrical and Automation Control (METMS 2024); 1316359 (2024) https://doi.org/10.1117/12.3030263
Event: International Conference on Mechanical, Electronics, and Electrical and Automation Control (METMS 2024), 2024, Xi'an, China

Abstract

With the continuous improvement of HVDC transmission technology, the traditional HVDC transmission system of converter has stepped into the mature period. Because of the circulation in the MMC converter, the converter will produce extra loss and the bridge arm current waveform will be distorted. Therefore, the corresponding circulation suppression strategy should be formulated in the control system. In this paper, the mechanism of phase circulation in MMC is analyzed. The main components of the circulation are second and fourth harmonics. Based on the traditional circulation suppression method based on PR controller, an improved PIR controller based on notch notch is proposed. Through the simulation experiment on PSCAD/EMTDC simulation platform, the effect of the improved circulation suppressor proposed in this chapter is verified.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Kuangwei Zhang, Jie Zhou, Tong Wang, and Shaojie Zhang "MMC circulation suppression strategy based on improved PIR with notch filter", Proc. SPIE 13163, Fourth International Conference on Mechanical, Electronics, and Electrical and Automation Control (METMS 2024), 1316359 (5 June 2024); https://doi.org/10.1117/12.3030263

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