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变频器内置PID功能在造纸厂消防系统中的应用
Application of Converter Built-in PID Function in the Fire Control System of Paper Mills
收稿日期:  
DOI:10.11980/j.issn.0254-508X.2018.02.009
关键词:  变频器  PID  压力  恒压供水
Key Words:converter  PID  pressure  constant pressure water supply
基金项目:
作者单位
屈细红 东莞金洲纸业有限公司广东东莞523210 
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摘要:造纸厂是一级防火单位,在目前的造纸消防系统中,很多利用变频器调速以使供水设备恒压。本文介绍了带有内置PID功能的变频器。根据造纸厂消防系统中水管压力变化,利用变频器内置PID功能,自动调节变频器的输出频率而使水泵中的电机转速发生变化,通过调节水泵的供水能力,保持管网水压力恒定,确保消防系统供水压力稳定可靠。此变频器适用于造纸等一级消防单位消防系统。
Abstract:In order to ensure the water supply pressure of fire control system is stable and reliable the inverter built-in PID function is used which can automatically adjust the output frequency of frequency converter and make the motor speed change, through the change of the water supply capacity, to keep pipe network water pressure constant. The converter built-in PID function is suitable for fire control system of paper mills.
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