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VSC HVDC-a New Technique Applicable to Power Transmission of Wind Farms
Author(s): DOU Ru-ting, ZHA Xiao-ming
Pages: 70-
74
Year: 2010
Issue:
10
Journal: Guangdong Electric Power
Keyword: 风电场; 电力传输; 柔性直流输电; 控制策略;
Abstract: 阐述了柔性直流输电基本原理和特点,以及在风电场并网运行中的应用.分析了柔性直流输电的拓扑结构,在此基础上建立了柔性直流输电系统的暂态数学模型,推导了电压源换流器控制量与被控量之间的对应关系,并据此设计了非线性解耦控制器,实现输送有功、无功功率的解耦控制.最后通过Simulink仿真模型的建立和对直流短路故障的分析,验证了所建立的仿真模型以及控制方式的正确性和合理性,为进一步研究柔性直流输电在风电场...
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