Droop Control Modelling and Analysis of Multi-terminal VSC-HVDC for Offshore Wind Farms
Droop Control Modelling and Analysis of Multi-terminal VSC-HVDC for Offshore Wind Farms
复制标题
海上风电场多端VSC-HVDC下垂控制建模与分析
DOI：
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发表时间：
2012
期刊：
影响因子：
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通讯作者：
O. Marjanovic
中科院分区：
文献类型：
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作者：
Wenyuan Wang;M. Barnes;O. Marjanovic
本文探讨了海上风电场集成多端VSC-HVDC系统的控制方案的方法。详细分析了网侧变流器下垂直流电压特性的建模策略。电压-电流和电压-功率特性之间的差异进行了简要说明。为了评估直流电网的动态特性，建立了一个具有三个陆上终端的四端VSCHVDC模型。为四端系统设计了多种电压-电流特性，以保持直流系统的稳定性。不同的控制方案进行了研究和比较，使用动态模拟，包括风力发电的变化和损失的转换器。（6页）
This paper examines methods of control schemes of multiterminal VSC-HVDC systems for offshore wind farm integration. Modelling strategies of droop DC voltage characteristics for grid side converters are analysed in detail. Differences between voltage-current and voltage-power characteristics are briefly described. A four-terminal VSCHVDC model with three onshore terminals is established in simulation to evaluate the dynamic behaviour of the DC grid. Multiple voltage-current characteristics are designed for the four-terminal system to maintain the stability of the DC system. Different control scenarios are investigated and compared using dynamic simulations including wind power variations and a loss of a converter. (6 pages)