Operation control method and system for estimating rotating speed based on three-stage generator

The invention discloses an operation control method and system based on a three-stage generator estimation rotating speed. The method comprises the following steps: S1, obtaining operation parameters of a generator; s2, establishing a voltage equation and a flux linkage equation based on the operation parameters, and constructing an adjustable model based on the voltage equation; s3, obtaining a state equation of the current error based on the adjustable model, and obtaining an estimated rotating speed based on the state equation; and S4, controlling the rotating speed of the generator based on the estimated rotating speed. The method has the beneficial effects that the accuracy of rotating speed estimation can be improved, and the running state of the generator can be controlled based on the estimated rotating speed. 本发明公开了一种基于三级发电机估算转速的运行控制方法和系统，包括以下步骤：S1：获取发电机的运行参数；S2：基于运行参数建立电压方程和磁链方程，基于电压方程构建可调模型；S3：基于可调模型得到电流误差的状态方程，基于状态方程得到估算转速；S4：基于估算转速控制发电机转速。本发明的有益效果是：能提高估算转速的准确性，能够基于估算转速控制发电机运行状态。