基于直驱式永磁同步发电机组的风电场动态建模  

Dynamic Modeling of Wind Farm Composed of Direct-Driven Permanent Magnet Synchronous Generators

作　　者：夏玥[1] 李征[1] 蔡旭[1] 马彦宏[2] 

机构地区：[1]上海交通大学风力发电研究中心,上海市闵行区200240 [2]甘肃省电力公司风电技术中心,甘肃省兰州市730050

出　　处：《电网技术》2014年第6期1439-1445,共7页Power System Technology

基　　金：国家863高技术基金项目(003 2011AA05A104);国家电网科技项目(风电场聚合模型研究)~~

摘　　要：根据某大型风电基地200 MW标准直驱机组风场的电气参数和出力数据,利用风机功率曲线求取等效风速,按照单机法思想建立了直驱式永磁机组风电场的单机聚合模型。运用DIgSILENT PowerFactory软件建模仿真,与详细风场模型、多机法聚合模型进行了对比,探讨了模型的可行性。此外,分析了风场集电线路对聚合模型精度的影响,并提出了单机聚合法的适用性和建模过程中集电线路的取舍原则。Based on electrical parameters and power output of a certain 200 MW wind farm composed of direct-driven permanent magnet synchronous generators （PMSG） and gaining equivalent wind speed by wind turbine power curve,a one-machine aggregated model of wind farm composed of direct-driven PMSG is established according to the thinking of full aggregation.Utilizing DIgSILENT PowerFactory a detailed model of PMSG unit is constructed,simulation results of this model is compared with simulation results of detailed wind farm model under different conditions,namely wind speed fluctuations,grid fault,and so on,and the simulation results of this model is compared with those of multiple-machine aggregated model,thus the feasibility of aggregated models is verified.Besides,the impact of wind farm collection system on the accuracy of aggregated model is analyzed.The applicability of one-machine aggregated model and the rejection principle of collection line during the modeling are put forward.

关 键 词：永磁同步风电机组 风场 单机聚合模型 多机聚合模型 DIgSLENT PowerFactory 

分 类 号：TM721[电气工程—电力系统及自动化]