电厂变频调速恒压供水控制系统设计  

Design of Variable Frequency Conversion Constant Pressure Water Supplying Control System of a Power Plant

作　　者：环玮[1] 吉同舟[1] 王恩荣[1] 

机构地区：[1]南京师范大学电气与自动化工程学院,江苏南京210042

出　　处：《南京师范大学学报（工程技术版）》2012年第1期15-18,24,共5页Journal of Nanjing Normal University(Engineering and Technology Edition)

基　　金：2010年南京师范大学横向课题(江苏徐塘发电有限责任公司深井水系统控制系统系统改造项目)

摘　　要：介绍了某电厂变频调速恒压供水控制系统设计方案.根据要求系统采用多点水压采集平均值控制,在利用MATLAB仿真集成环境Simulink对系统进行仿真的基础上选取合适的PID参数;系统由变频器提供变频电源、PLC控制水泵机组投切.系统投入运行后获得良好的静、动态输出特性.该设计对同类系统的设计提供参考.This paper introduces a design method of variable frequency conversion constant pressure water supply control system of a certain power plant.According to the requirements,the system adopts in multi-point average control pressure acquisition,and based on the use of simulation of the system in MATLAB simulation integrated environment Simulink,appropriate PID parameters are selected.System power is provided by frequency inverter and PLC controls water pump switching.It obtains good static and dynamic output characteristics after putting the system into operation.This method supplies certain reference value for the design of similar systems.

关 键 词：变频调速 恒压供水 PID MATLAB仿真 

分 类 号：TP272[自动化与计算机技术—检测技术与自动化装置]