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An equivalent modeling method for Offshore Wind Farms based on fault characteristics analysis

机译：基于故障特征分析的海上风电场等效建模方法

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摘要

A large offshore wind farm usually consists of dozens or even hundreds of wind turbines. Due to the limitation of the simulation scale, it is necessary to develop an equivalent model of offshore wind farms for power system studies. At present, the aggregation method is widely adopted for wind farm equivalent modeling. In this paper, the topology, electrical parameters, operating conditions and individual turbine characteristics of the offshore wind farms are taken into consideration. Firstly, the output power distribution of offshore wind farm, the voltage distribution of the collector system and the fault ride-through characteristics of wind turbines are analyzed. Then, a dynamic equivalent modeling method for offshore wind farms is developed based on the fault characteristics analysis. Finally, the proposed method is validated through time-domain simulation.
机译：大型海上风电场通常由数十个甚至数百个风力涡轮机组成。由于模拟规模的限制，有必要为电力系统研究开发一个等效的海上风电场模型。目前，聚集方法已被广泛用于风电场等效建模。本文考虑了海上风电场的拓扑结构，电气参数，运行条件​​和单个涡轮机特性。首先，分析了海上风电场的输出功率分布，集热系统的电压分布以及风力发电机的故障穿越特性。然后，基于故障特征分析，建立了海上风电场的动态等效建模方法。最后，通过时域仿真验证了该方法的有效性。

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