基于SoC系统的模块化多电平换流器全电磁暂态实时仿真

doi:10.11930/j.issn.1004-9649.202011104

中国电力 ›› 2022, Vol. 55 ›› Issue (2): 159-165,189.DOI: 10.11930/j.issn.1004-9649.202011104

基于SoC系统的模块化多电平换流器全电磁暂态实时仿真

游广增¹, 宋钊², 贵子航³, 李玲芳¹, 朱欣春¹, 舒德兀²

1. 云南电网有限责任公司电网规划建设研究中心，云南昆明 650011;
2. 电力传输与功率变换控制教育部重点实验室（上海交通大学），上海 200240;
3. 上海电力大学电气工程学院，上海 200090

收稿日期:2020-11-24 修回日期:2021-08-11 出版日期:2022-02-28 发布日期:2022-02-23
作者简介:游广增 (1985—)，男，工学硕士，高级工程师，从事电力系统安全稳定分析研究，E-mail：misteryou@qq.com;舒德兀 (1991—)，男，通信作者，助理教授，从事柔性直流输配电技术研究，E-mail：shudewu@sjtu.edu.cn
基金资助:
国家自然科学基金资助项目（52007116）；南方电网公司科技项目（059100KK52190014）

SoC-based Real-Time Simulation of MMC Electromagnetic Transient

YOU Guangzeng¹, SONG Zhao², GUI Zihang³, LI Lingfang¹, ZHU Xinchun¹, SHU Dewu²

1. Power Grid Planning and Construction Research Center of Yunnan Power Grid Co., Ltd., Kunming 650011, China;
2. Key Laboratory of Control of Power Transmission and Conversion, Ministry of Education (Shanghai Jiao Tong University), Shanghai 200240, China;
3. College of Electrical Engineering, Shanghai University of Electric Power, Shanghai 200090, China

Received:2020-11-24 Revised:2021-08-11 Online:2022-02-28 Published:2022-02-23
Supported by:
This work is supported by National Natural Science Foundation of China (No.52007116) and the Science & Technology Project of China Southern Power Grid Company (No.059100KK52190014)

摘要/Abstract

摘要： 随着基于模块化多电平换流器（MMC）拓扑的柔性直流工程技术广泛使用，相应的电磁暂态（EMT）实时仿真技术变得尤为关键。为了实现基于MMC的柔性直流输电系统的实时仿真，提出一种适用于现场可编程逻辑门阵列（field programmable gate arrays，FPGA）的MMC实时片上系统（SoC）仿真模型及其计算方法。在此实时仿真模型的基础上，将MMC桥臂等效为一个戴维南电路，当MMC电平数变化时，仿真节点数不变，极大加快仿真过程。该方法不仅可以抑制故障下的数值振荡问题，而且可以实现多个子模块串联下的实时仿真。与PSCAD仿真结果的对比验证表明，所提实时仿真模型及计算方法能准确、高效地刻画子模块级和系统级的动态特性。

关键词: 电磁暂态, 片上系统SoC, 模块化多电平换流器, 现场可编程逻辑门阵列, 数值振荡

Abstract: With the rapid emergence and profound penetration of modular multilevel converters (MMC) in power system, the real-time simulation technology of electromagnetic transient (EMT) becomes very important. In order to realize the real-time simulation of the MMC-based flexible HVDC system, a real-time System-on-Chip (SoC) simulation model is proposed for MMC, which is applicable to field programmable gate arrays(FPGA). Based on this EMT model, the MMC arm is made equivalent to one Thevenin’s circuit, which keeps the number of nodes unchangeable when MMC level varies, thus greatly accelerating the simulation process. This method can not only suppress the numerical oscillation under faults, but also realize the real-time simulation of multiple sub-modules. The PSCAD simulation results have verified the accuracy and efficiency of the proposed model and corresponding calculation method, and the dynamics of both sub-module level and system level can be reflected accurately and efficiently.

Key words: electromagnetic transient (EMT), system-on-chip (SoC), modular multilevel converter (MMC), field programmable gate array (FPGA), numerical oscillation

游广增, 宋钊, 贵子航, 李玲芳, 朱欣春, 舒德兀. 基于SoC系统的模块化多电平换流器全电磁暂态实时仿真[J]. 中国电力, 2022, 55(2): 159-165,189.

YOU Guangzeng, SONG Zhao, GUI Zihang, LI Lingfang, ZHU Xinchun, SHU Dewu. SoC-based Real-Time Simulation of MMC Electromagnetic Transient[J]. Electric Power, 2022, 55(2): 159-165,189.

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基于SoC系统的模块化多电平换流器全电磁暂态实时仿真

SoC-based Real-Time Simulation of MMC Electromagnetic Transient

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基于SoC系统的模块化多电平换流器全电磁暂态实时仿真

SoC-based Real-Time Simulation of MMC Electromagnetic Transient

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