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高压电器  2015 

中压柔性直流配电系统故障暂态仿真研究

DOI: 10.13296/j.1001-1609.hva.2015.11.005, PP. 26-32

Keywords: 中压柔性直流配电系统,直流断路器,暂态过程,仿真分析

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Abstract:

文中针对±10kV/1kA柔性直流配电系统进行仿真分析,包括直流系统仿真参数设计、结构选取,配合直流断路器的应用,利用PSCAD/EMTDC仿真软件分析了极间短路故障时直流系统暂态变化的情况,并结合系统侧参数分析了各因素对暂态过程的影响。仿真结果表明,系统参数对故障暂态电压电流的变化有较大的影响;直流断路器可以快速开断故障电流,限制电流峰值,对系统参数设置和器件及设备选型有一定的参考价值。

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