模块化多电平换流器实时仿真建模与硬件在环实验

XIONG Yan

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模块化多电平换流器实时仿真建模与硬件在环实验

更新时间：2025-08-13

- 模块化多电平换流器实时仿真建模与硬件在环实验
- Automation of Electric Power Systems Vol. 40, Issue 21, Pages: 84-89(2016)
- 作者机构：
  
  新能源电力系统国家重点实验室(华北电力大学),北京市,102206
- 作者简介：
- 基金信息：
- DOI：
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- Published：2016
- 稿件说明：
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XIONG Yan. [J]. Automation of electric power systems, 2016, 40(21): 84-89.
DOI：

XIONG Yan. [J]. Automation of electric power systems, 2016, 40(21): 84-89. DOI：

摘要

模块化多电平换流器(MMC)因其独特的优势已在世界范围内取得广泛的应用。MMC实时仿真平台可以对控制系统进行测试

对实际工程具有重要的意义。文中开发了一种基于RT-LAB的高效MMC实时仿真模型

在MATLAB/Simulink中搭建21电平双端系统

在稳态、交直流暂态工况下与详细模型进行对比测试

验证了该MMC实时仿真等效模型的正确性。相比于OPAL-RT公司开发的提速模型

在相同条件下所述模型占用资源更少

能够仿真更大规模MMC系统;采用状态空间节点算法

将换流器的6个桥臂分割成6个子网络求解

可以实现超过601电平MMC双端系统的实时仿真。通过实时仿真平台

连接外部物理控制器进行硬件在环测试

实验结果表明所述模型具有良好适用性。

Abstract

The modular multilevel converter(MMC)real-time simulation platform can test the control system

which is of great significance to engineering practice. This paper proposes an efficient real-time simulation model of MMC based on RT-LAB. A 21-level MMC dual terminal system is built in MATLAB/Simulink to verify the accuracy and correctness of the proposed MMC model under different operating conditions in comparison with detailed MMC models. In contrast to the simplified model developed by OPAL-RT

the proposed MMC model takes less resources of the central processing unit and can simulate an MMC system on a larger scale. With the state space node algorithm

the proposed model can solve more than 601-level MMC dual terminal system in real-time simulation. Through the real-time simulation platform

the experiment of hardware in the loop is implemented by getting connected with the external physical controller. The experimental results show good applicability of the proposed model. This work is supported by Fundamental Research Funds for the Central Universities(No. 2015XS08)

National Key Research and Development Program of China(No. 2016YFB0900903)and National Natural Science Foundation of China(No. 51607065).

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