Take constant pressure supply water system of life area for example, this paper introduces the needs and realization of variable-frequence constant-pressure supply water system using PLC.
以生活区的恒压供水系统为例，介绍了应用PLC实现变频恒压供水系统的需求分析和实现过程。
This article introduces the frequency speed constant pressure water supply system controlled by PLC, presenting its hardware structure, the design of PLC program and its application.
介绍了用PLC控制的变频调速恒压供水系统的基本原理，给出了系统的电气线路和PLC程序设计，并在实际中得到了应用。
At the same time provide will cut off the constant pressure water supply, long, endoscopic wash-infection machine, sterilization kettle and mature control system.
同时提供定长切断、供水恒压、内窥镜洗消机、灭菌釜等成熟的控制系统。
In this paper, MODBUS bus in VVVF control system applied constant pressure in the water supply system was discussed.
本文对MODBUS总线在变频调速控制系统在应用于恒压供水系统进行了探讨。
In water supply system, water supply in constant pressure means that terminal pressure keeps constant all the time when the quantity of dispended water varies.
在供水系统中，恒压供水是指在供水网系中用水量发生变化时，出口压力保持不变的供水方式。
This thesis discusses improved water supply control system with constant pressure in the fire fighting that is composed of transducer, pressure sensor, PLC as well as homemade controller.
论述了利用变频器、压力传感器、可编程序控制器以及自制的控制器组成的改进型消防恒压供水控制系统。
Through application of frequency converter in constant pressure water supply system, the paper describes the economic feature and advantages of adopting AC frequency conversion speed control method.
通过变频器在恒压供水系统中的应用，阐述了采用交流变频调速控制方案的经济性和优越性。
This paper discussed net pressure of water supply, energy consumption and pump performance of different pressure control point in automatic regulation device of constant pressure water supply system.
分析了自动恒压控制给水系统中，不同控制点形式下的管网压力，系统能耗及水泵工况，并得出一些结论。
The applied plan is introduced of frequency control system by the microcomputer for constant -pressure water supply to circulating pump stations, and the system is analysed.
介绍了微机控制变频恒压供水系统在循环泵站中的应用方案，并对系统进行了分析。
A building water supply system in which jet-pump-aided and the inverter and PLC is used to realize the constant pressure of the water is inroduced.
概述了变频调速泵节能原理，针对高层建筑供水设施改造的实际情况，设计开发了一套射流泵辅助变频调速恒压供水系统。
Demonstrates composition and function of a constant pressure water-supply system controlled by PLC and frequency converter as well as the design of each function module.
阐述了基于PLC和变频器控制的恒压供水系统的组成、功能及各功能模块的设计方法。
The project is an elevated constant-pressure tank supported by a thin-walled steel cylinder, which is used for water supply and drainage system in a steel plant.
某钢铁厂中厚板热轧工程的给排水系统高位稳压水箱，结构形式为薄壁筒体承重钢结构。
This article describes the water supply control system with timer and constant pressure function, which is controlled by 8098 single chip microcomputer.
本文介绍了采用8098单片机控制的定时恒压给水控制系统。
This paper introduces the characteristics of jp6c-ap1 converter and its application in the constant pressure water supply system.
简要介绍了JP6C—AP1变频器的特点及在恒压供水上的应用。
This paper introduces a software and hardware design for a new type constant pressure water supply system by using a single chip microprocessor controller.
介绍一种新型恒压变频供水自动控制系统的软硬件设计。
As the application of the frequency control technology and programmable logic controller is flexibility, in the constant pressure water supply system they has been widely used.
由于变频调速技术和可编程程序控制器的应用灵活方便，在恒压供水系统中亦得到广泛的应用。
Before the introduction of the constant pressure water, we should firstly understand some basic characteristics of the water supply system.
介绍恒压供水之前先要了解供水系统的一些基本特性。
A constant pressure water supply system was introduced to which used PLC to process the logic control and employed VVVF to adjust water pressure.
介绍了恒压供水系统，采用PLC进行逻辑控制，采用变频器进行压力调节。
This article briefly discusses the technical application of Delta VFD-F series inverter in constant pressure water supply control system.
本文对台达VFD-F系列变频器在恒压供水控制系统中的应用相关技术作粗略讨论。
In this thesis, the focus is the principle of frequency conversion constant pressure water supply control, designing frequency conversion constant pressure water supply control system.
论文讨论了变频恒压供水控制原理，设计了变频恒压供水控制系统。
In this thesis, the focus is the principle of frequency conversion constant pressure water supply control, designing frequency conversion constant pressure water supply control system.
论文讨论了变频恒压供水控制原理，设计了变频恒压供水控制系统。
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