葛洲坝水力发电厂PLC机组Q、W、H、η监测系统

The Supervising and Measuring System of the Set with Q、W、H、ηon the Basis of PLC in the Gezhouba Hydroelectric Power Plant

基于可编程序控制器的机组Ｑ、Ｗ、Ｈ、η监测系统，为水轮发电机组在线监测提供了新的手段，并将机组工作水头信号自动送微机调速器，实现了轴流转桨式水轮机桨叶和导叶的自动最优协联．本文介绍了该系统的功用、组成、原理、软件框图和应用前景．

The supervising and measuring system of the set with Q W H η on the basis of programmable logic controller, a new method of on-line supervision and measurement for the hydroelectric generating set, is provided. The operating head signal is automatically given to the governor based on microcomputer and the automatiC optimizing earn relationship of propeller blades and wiCket gates of an axial-flow turbine with adjustable blades is realized. The function, construction, principle, software flame and prospect of the system are introduced in this paper.