中文摘要：

目前国内外风电场集电线路一般采用架空线、电缆直埋和架空线与电缆混合等不同类型线缆,为了研究不同类型并网风电场采用不同馈线形式时对风电场保护的影响,在Matlab/Simulink下建立了含恒速异步和变速双馈风电场的电力系统仿真模型,基于不同类型风电机组构成的风电场内部集电线路分别采用架空线和直埋电缆,分析了当风电场集电线发生故障时风电场等效电路和集电线末端继电器测得的短路电压和电流,研究了不同类型集电线故障时对风电场保护的影响.仿真分析结果表明：风电场集电线路故障时,不同类型的风电场和相同风电场内部采用不同类型集电线路时,对风电场保护的影响也有所不同.

英文摘要：

At present, the wind farms feeder lines usually adopt the aeria wire, direct burial cable, mixing with different types of cable and so on in home and abroad. In order to study the impact on wind farms protection by different types of wind farms integrated into grid using different forms feeder lines, the power system simulation models was established by Matlab/Simulink including fixed speed induction generator （FSIG） and doubly fed induction generator （DFIG） wind farm. The wind farms equivalent circuit and the short circuit voltage and current measured by the feeder line terminal relay was analyzed when feeder line failed, and the impact of different types of wind farms inter feeder lines on wind farms protection was introduced. The simulation results show that when the wind farms set line fails, different types of wind farms and the same internal wind farms with different type electrical lines set may influence the protection of wind farms differently.