On the reform scheme for the secondary water-supply system in some city of South China 南方某城市二次供水系统改造方案探讨
The paper introduces the application of PLC and frequency control technology in constant pressure water-supply system, and explains the relevant energy-conserving effect. 介绍了一种用变频器和单片机组成的恒压供水系统的设计方案,给出了控制器的硬件结构及控制原理框图。
The control principle, the software and hardware design of constant pressure water-supply system in residential area based on fuzzy controller is introduced. 介绍了小区模糊变频调速恒压供水控制系统的控制原理、软硬件设计。
This Paper explains the design principle of automatic water-supply system based on PLC and Inverter control, and introduces the characteristic of system software and hardware design in detail. 本文阐述了PLC、变频器调速自动控制供水系统设计的机理,且较为详细的讲述了整套系统的硬件、软件设计的特点及显示情况。
This paper discusses on the necessity of making the vertical division for the high-rise buildings, probes into some key problems in the vertical division of the water-supply system, and discusses on the features of three kinds of water-supply modes. 论述了高层建筑进行竖向分区的必要性,探讨了给水系统进行竖向分区的关键问题,并对3种给水方式的特点进行了论述。
Design of bath water-supply system based on fuzzy control 基于模糊控制的洗浴供水系统的设计
Energy saving reconstruction and benefits of water-supply system 供水系统的节能改造与效益
Some problems of the design of the multi-story building fire fighting water-supply system 高层建筑消防给水系统设计中的几个问题
Design of automatic water-supply system based on PLC and inverter 用PLC及变频器控制的自动供水系统的设计
A Discussion of Design and Installation in the Water-supply System 建筑给水系统设计与安装
Talking about the Vertical partition of Water-supply System and the Selection of Water-supply Mode of High-rise Building 高层建筑给水系统的竖向分区和给水方式的选择
On the Situation of the Optimized Management of Domestic and Foreign Water-supply System 国内外供水系统优化管理状况
The microcomputer remote control for the management of water-supply system 供水调度微机远动系统
In the water-supply system of the coke-oven plant, the converter makes time feedback and regulation for the variation of the current signals caused by the variation of the pressure of the water system, and realizes the water supply under constant pressure and energy conservation. 在焦化厂供水系统中,变频器根据水系统压力变化引起的电流信号变化进行及时反馈和调节,最终实现了恒压供水和节能。
This paper analyses the saving-energy principle of variable-frequency regulating speed control in constant pressure water-supply system, and introduces a typical example of variable-frequency regulating speed control in constant pressure water-supply system. 本文分析了变频调速控制在恒压供水系统中的节能原理,并对泵的工作特性及节能情况进行了分析,介绍了变频调速恒压供水系统的典型应用实例。
The Features and Geneses of the Biomembrane in the Water-supply System 给水系统中生物膜的特征及形成原因
A Discussion of Some questions in Secondary Water-supply System 二次加压给水中一些问题的探讨
It introduces the water-supply system of one transduc-er controlling three pumps and construction of control system. 介绍一台变频器控制三台水泵的变频供水系统控制方案和控制系统的组建。
An Analysis of Energy Conversion in Secondary Water-supply System 二次加压给水中的能量转换分析
This paper expounds the design of intra-building water-supply system from the viewpoint of the selections of systems, of the method of water supply arrangement, and of water tubing. 论文从系统的选择、给水方式的选择、给水管材的选择等几方面阐述如何从水质保证着手进行建筑内部给水系统的设计。
Composite Water Flow Calibration Facility that our unit designed, makes up of standard metal tank group, standard flow meter, water-supply system, pipeline system, control cabinet and diverter mainly. 本单位设计的水流量综合标准装置,主要由标准金属量器组、标准流量计、供水系统、管路系统、控制台和换向器组成。
An Exploratory Model of Secondary Water-Supply System and Loading Forecasting of Water Supply Network 二次供水系统用水模型与管网状态预测
Analysis on the Design of the Multifunctional Constant-pressure Water-supply System 浅析多功能恒压供水系统的设计
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。
Comprehensive analysis of drought duration characteristics for regional water-supply system 区域供水系统干旱历时特性综合分析
Application of Frequency Converter to Water-Supply System in Heat-Supply Area 变频控制装置在区域供热锅炉给水系统中的应用
Study of the complete automatic stable pressure water-supply system and its application 全自动恒压供水系统的研究与应用
As for single foreign substance water-supply system, first calculate the minimum fresh water using water-pinch point method, and then distribute water-supply system using grid diagram method. 对于单杂质给水系统,利用水夹点分析方法求出最小新水量后,再应用格子图法对给水系统进行水量分配,从而确定了工业给水系统各组成部分的设计水量。
Matlab simulation shows, comparing PID control, adaptive fuzzy PID control method can improve clearly the control-precision and increase the stability of water-supply system. 通过Matlab仿真表明,与常规PID控制相比,自适应模糊PID控制能有效提高系统的控制精度,增强系统的稳定性。
The reliability and economy of urban Water-supply system depend on automation network of Water-supply. 城市供水系统的可靠、经济运行是以供水自动化网络为基础。