介绍了一种恒压供水系统的构成及设计原理。
The structure and design principle of a constant pressure water-supplying system are introduced.
提出了一种基于模糊控制理论的恒压供水系统。
Put forward a kind of stable pressure water supplying system based on fuzzy control theory.
同时介绍了变频恒压供水系统的构成和工作原理。
It also introduces the composition and operational principle of a changing frequency and constant pressure water supplying system.
本文介绍了风光变频器在某生活小区双恒压供水系统中的应用情况。
This article introduces Fengguang inverter in the some small-unit residential area double constant pressure water supply control application example situation.
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。
A constant pressure water supply system was introduced to which used PLC to process the logic control and employed VVVF to adjust water pressure.
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 this paper, MODBUS bus in VVVF control system applied constant pressure in the water supply system was discussed.
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。
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.
介绍了变频器的控制原理、节能特点，以及恒压供水系统采用变频调速的节能效果。
It also introduces the control principles and energy-saving properties of frequency converter and the results after using it.
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。
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.
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。
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.
介绍了一种基于PLC和变频器采用串行总线方式通讯的变频恒压供水系统的构成和工作原理。
The composition and operational principle of an automatic frequency con version constant pressure water supplying system based on PLC and frequency convertor with serial communication are introduced.
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。
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.
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。
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.
结果表明，大型泵站采用变频恒压供水系统，对确保水压平稳、实现泵站全自动控制有着十分重要的意义。
Results show that it is very important to adopt variable frequency and constant pressure to ensure steady water pressure and to realize auto-c...
在恒压供水系统中，泵组的控制属于较大范围的自适应系统，泵组的平衡运行是自动调整系统运行参数的关键。
Control of pumps unit belongs to large-range self-adaptive system and it is the key for equipoise operation to operate parameter in auto-regular system.
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。
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.
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。
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.
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。
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.
系统通过压力传感器、PLC、变频器等设备完成供水系统自动恒压控制。
Automatic constant pressure control of system has completed by press-sensor, PLC, frequency converter etc.
本文首先根据供水系统的管阻特性曲线和水泵扬程特性曲线，分析了恒压供水的原理；
This paper explained the principle of constant-pressure water supply on the basis of characteristic curve of pipeline resistance and water pump head.
介绍恒压供水之前先要了解供水系统的一些基本特性。
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。
Before the introduction of the constant pressure water, we should firstly understand some basic characteristics of the water supply system.
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