机理与数据融合的火电机组建模方法

Modeling Method of Thermal Power Unit based on Mechanism and Data Fusion

本文面向AGC、一次调频的灵活运行需求,通过机理与数据结合的方法,建立了超临界火电机组模型,并根据实际运行数据进行了参数辨识和校验,验证了模型的准确性,并对模型特性进行了分析,为火电机组后续的控制系统优化奠定了基础。

In this paper,aiming at the flexible operation requirements of AGC and primary frequency regulation,a supercritical thermal power unit model is established through the method of combining mechanism and data,and the parameter identification and verification are carried out according to the actual operating data,the accuracy of the model is verified,and the model characteristics are analyzed,laying a foundation for the subsequent control system optimization of the thermal power unit.