An improvement on the feedwater regulation scheme for a 300 MW thermal power plant simulation unit

In the course of the adjustment test of a simulation unit the design defects of the original control scheme of a feedwater automatic control system were analyzed and on this basis an improved scheme was proposed. After a modification of the related design modules and procedures of the simulation unit the regulation quality of the feedwater regulation system has been greatly enhanced. This brought about the realization of a formerly unachievable protection function, which has been verified and confirmed in production practice. It is noted that the simulation unit can be employed not only to conduct on-the-post training but also possesses a highly effective adjustment-test function.