This paper gave a new design for water feeding system, the system was based on VVVF motor driver. PLC and PID closed loop control.
本文介绍一种最新的供水系统设计，以变频调速技术、可编程控制器技术及PID调节器技术为基础，构成以压力为控制对象的闭环控制系统。
Exposition has been made of the test and data analysis conducted for a new water feeding system designed for group hydraulic dynamometers.
本文论述了水力测功机群供水新系统的试验及数据分析结果。
The paper introduces the principle of frequency converter, frequency project of base water-feeding system and the selection of frequency technology.
介绍变频器工作原理、基地供水系统变频项目以及变频工艺的选择。
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