300MW机组给水泵液力耦合器控制系统改造

The control system modification of feedwater pump liquid coupler in 300MW generating unit

利用贝利控制公司(Bailry Controls CO.,)设计的INFI-90分散控制系统(DCS)对大坝发电有限责任公司300MW火电机组给水泵运行的可靠性进行了优化。介绍了液力耦合器的变速原理及其给水控制系统的构成,对控制系统的改造作了详细说明。

Using the distributed control system （DCS） of INFI-90 system （designed by Bailry Controls Company）, optimizes the operation reliability for feedwater pump of generating unit in Ningxia Daba Generating Station Limited Company. Introduces the variable-speed principle of liquid coupler and constitution of its feedwater control system, elaborates on the modification of control system.