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电网技术  2015 

双H桥型直流电网潮流控制器的控制策略

DOI: 10.13335/j.1000-3673.pst.2015.09.020, PP. 2505-2510

Keywords: 双H桥型直流电网潮流控制器,电流控制,电容电压,开关频率,状态比较

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Abstract:

分析了双H桥型直流电网潮流控制器的工作原理,明确了被控电流、电容电压接入位置和电容电流的关系,并在此基础上利用状态比较方法对各开关状态进行了控制器设计。还以舟山五端柔性直流输电系统为背景,构建直流电网,在PSCAD/EMTDC中进行模型搭建和仿真计算,分析了潮流控制器出口电流、电容电压以及脉冲频率的响应特性,分析结果验证了所提控制策略的有效性。

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