摘要
根据生活小区供水特点和节能稳压的要求,采用变频调速技术、PLC等组成压力负反馈控制系统,根据用水量的变化,经PID调节,自动改变系统的运行参数,有效保持用户水压恒定。利用VB对该变频恒压供水系统的三台水泵循环供水运行状况进行模拟仿真,同时该系统还具有消防给水的功能。
According to the characteristic of water supplyed situation in residential area and the request of constant pressure and saving energy,we use technology of variable frequency control,PLC to compose a control system of pressure negative feedback.The system adjusts PID based on the change of water consumption,changes system’s operational factors automatically,keeps the user’s water pressure constantly.The operation of three pumps in the water suppled system of constant pressure and frequency conversion has been designed a simulated system by using VB language.The system has the function of fire water suppled too.
出处
《微计算机信息》
2010年第22期39-41,共3页
Control & Automation
关键词
变频调速
恒压节能
PID调节
VB演示
variable-frequency and regulated speed
constant pressure and saving energy
PID adjustment
VB demonstration
