公开(公告)号：US20220341588A1

公开(公告)日：2022-10-27

申请号：US17723171

申请日：2022-04-18

Applicant: Southeast University

Inventor： Gang JU ,  Zhenhua REN

IPC: F22G5/12 ,  F22G5/20 ,  F22G5/02

Abstract: Disclosed is a method for setting parameters of a load feedforward controller for superheated steam temperature control, which belongs to the technical field of thermal automatic control. This method adds a load feedforward controller to the conventional boiler superheated steam temperature spray desuperheating cascade control system. The application provides a structure of the load feedforward controller, and a method for designing the parameters of the load feedforward controller according to the dynamic characteristics of the superheated steam temperature related to feed coal flow disturbance, feedwater flow disturbance and desuperheating water spray disturbance. The method of the application could effectively reduce the superheated steam temperature deviation in the process of unit load rise or drop, and the design method is simple, effective and easy to realize in engineering.