说明：  超好用的双馈风机接入单机无穷大系统，超详细的风机模型，可用于分析风机并网特性，文件包含风机继电保护与控制模块
(The super - used doubly fed fan is connected to the single machine infinite system. The ultra detailed fan model can be used to analyze the characteristics of the fan's grid connection. The file contains the fan relay protection and control module.)