基于PLC的抽水蓄能双调整调速器  

Double-regulating Governor Based on PLC for Pumped Turbines

作　　者：刘昌玉[1] 刘远进[1] 顾宏进 周志军 

机构地区：[1]华中科技大学 [2]宜昌市能达通用电气股份合作公司

出　　处：《电气传动》2005年第9期48-51,共4页Electric Drive

基　　金：湖北省科技攻关计划(2003AA101C04)

摘　　要：抽水蓄能机组工况多,转换复杂、频繁,其控制更加复杂。基于可编程控制器(PLC)的抽水蓄能双调整调速器,以PLC为调速器电气部分的核心单元,用步进电机作为电—液转换部件,与液压放大部分一起构成调速系统。该系统具有导叶、轮叶双重调节功能,控制策略采用变参数P ID控制,在水轮机调节和水泵控制两方面都具有良好的调节品质,安全可靠,维护工作量小。The control system for a pumped turbine is more complex than that for a conventional turbine because of its many operation cases and frequent transition between cases. The new on governor based PLC （programmable logic controller） for pumped turbines is proposed, which is composed of PLC as the core, the stepped motor as the electro-hydraulic transforming part and fluid drive unit. The governor features double regulation for the guide vane and the blade, and the adaptive variable PID control strategy. The laboratory experiments demonstrate that the developed governor has good performance in both turbine regulation and pump control, and that it is also highly reliable and easy to maintain.

关 键 词：抽水蓄能机组 调速器 变参数PID控制 可编程控制器(PLC) 调整 调速系统 水轮机调节 电气部分 步进电机 液压放大 

分 类 号：TK730.41[交通运输工程—轮机工程] TP273[动力工程及工程热物理—流体机械及工程]