摘要
介绍用PLC通过变频调速实现全自动恒压供水,提出一种工频运行时压力死区的在线辨识控制方案。
The realization of a full automatic water supply system through variable frequency speed control with PLC is introduced. An on-line recognition and control program for a pressure dead zone in power frequency operation is put forward.
出处
《城市公用事业》
1997年第4期25-26,46,共2页
Public Utilities