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高压电器  2015 

基于RT-LAB的MMC换流器HVDC输电系统实时仿真

, PP. 36-40

Keywords: 模块化多电平变流器,高压直流输电,实时仿真,离线仿真

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Abstract:

基于RT-LAB实时仿真平台,研究了实时仿真技术在基于模块化多电平换流器(MMC)的柔性直流输电系统(HVDC)中的应用。建立了基于MMC的柔性直流输电系统的实时仿真模型,并将RT-LAB的实时仿真结果与PSCAD/EMTDC的离线仿真结果进行了对比验证。两种仿真结果在暂态和稳态下都比较一致,这说明通过RT-LAB可以得到MMC高压直流输电系统的正确仿真结果。还对两种仿真方法的仿真时间进行了对比,说明通过RT-LAB的实时仿真可以大幅度提高对MMC换流器的仿真效率。研究结果为采用RT-LAB平台对柔性直流输电系统等大规模电力电子装置实时仿真研究应用提供了参考。

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