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Improvement of Stable Operation Ability for Large-Scale Wind Power System Based on VSC-HVDC Technology

机译:基于VSC-HVDC技术的大型风电系统稳定运转能力的提高

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摘要

Rigorous transmission technology is important when large-scale wind farm is connected to the power grid. Hence, a power transmission topological framework based on VSC-HVDC is proposed. The mathematical model is built in the dq synchronous frame, and the related direct current control strategy of VSC converters are designed. The doubly fed induction generator wind farm with VSC-HVDC system are modelled in DIgSILENT/PowerFactory. Ultimately, the conditions of the short-circuit fault at the receiving-end VSC AC bus is simulated. The control scheme is proved to be effective.
机译:当大型风电场连接到电网时,严格的传输技术很重要。因此,提出了一种基于VSC-HVDC的电力传输拓扑框架。数学模型内置于DQ同步框架中,设计了VSC转换器的相关直流控制策略。具有VSC-HVDC系统的双馈感应发电机风电场在DigSilent / PowerFactory中进行建模。最终,模拟了接收端VSC AC总线的短路故障的条件。证明控制方案有效。

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