An Accurate and Fast Device-Level Real-Time Simulation of Modular Multi-Level Converter

Hao Bai, Chen Liu, Qian Li, Elena Breaz, Fei Gao

科研成果: 书/报告/会议事项章节会议稿件同行评审

3 引用 (Scopus)

摘要

Due to the massive research attention of modular multi-level converter (MMC)-based power conversion in the high- voltage and medium-voltage applications, there have been great demands in rapid validation of its control and protection strategies. Real-time simulation is an eligible choice that can fulfill a fast, safe and low-cost validation in the early-stage development of the MMCs. However, the performance of the MMC real-time simulation relies on both the modeling accuracy and the simulation speed, which can be very cumbersome to meet simultaneously due to the enormous switches in the converter. In order to improve the simulation accuracy while retaining computing efficiency, in this paper, a novel device-level real-time simulation approach is proposed for MMC. By using the efficient network decoupling techniques and piecewise linear transient switch models, the nonlinear switching transient can be effectively integrated into the MMC real-time simulation. A three-phase five- level MMC is used as a case study and simulated in the National Instrument FlexRIO FPGA module. A 100 ns real-time simulation time-step is realized. The simulation results have shown a very good agreement with the results of Saber simulation tool. Moreover, by implementing the software-in-the-loop real-time simulation, the effectiveness of the proposed approach is validated.

源语言英语
主期刊名2020 IEEE Industry Applications Society Annual Meeting, IAS 2020
出版商Institute of Electrical and Electronics Engineers Inc.
ISBN(电子版)9781728171920
DOI
出版状态已出版 - 10 10月 2020
已对外发布
活动2020 IEEE Industry Applications Society Annual Meeting, IAS 2020 - Detroit, 美国
期限: 10 10月 202016 10月 2020

出版系列

姓名2020 IEEE Industry Applications Society Annual Meeting, IAS 2020

会议

会议2020 IEEE Industry Applications Society Annual Meeting, IAS 2020
国家/地区美国
Detroit
时期10/10/2016/10/20

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