安科(kē)瑞 陳聰(cōng)

ACREL Multifuntion Energy Meter Application  in Mozambique

摘(zhāi)要(yào)
：本文介(jiè)紹了安(ān)科(kē)瑞多(duō)功(gōng)能電力儀(yí)表(biǎo)在莫桑(sāng)比克某農(nóng)場的應用以及電能管(guǎn)理(lǐ)係統(tǒng)解決(jué)方(fāng)案(àn)。係統(tǒng)采用智(zhì)能(néng)電(diàn)力儀表采(cǎi)集(jí)配電現(xiàn)場(cháng)的(dí)各(gè)種電(diàn)參量和(hé)開關(guān)信號，采用現(xiàn)場(cháng)就(jiù)地組(zǔ)網(wǎng)的方式，組(zǔ)網後通過(guò)現場總綫(xiàn)通訊(xùn)並(bìng)遠(yuǎn)傳(chuán)至後台。通(tōng)過Acrel-3000型(xíng)電(diàn)能管理(lǐ)係統實現變電所(suǒ)配電(diàn)回路(lù)用電的實時監(jiān)控(kòng)和(hé)電(diàn)能管(guǎn)理。

Abstract
：This article introduces the application of the multi-function energy meter in a farm in Mozambique and the solution of energy management system. The system adopts intelligent power meters to collect various electrical parameter and switching signals at the distribution site and the way of local networking, communicate via field bus and upload to background after networking.

關鍵詞
：電能(néng)表(biǎo);智能電力儀表;電能管理係統(tǒng)

Keywords
：Energy meter；Industrial projects；Intelligent power meter；Energy management system

0 概述 Project Overview

該農場(cháng)位於(yú)莫桑比(bǐ)克(kè)楠(nán)普(pǔ)拉，主(zhǔ)要使用(yòng)了多(duō)功能電力(lì)儀表(biǎo)APM800和(hé)開口式互(hù)感(gǎn)器，用(yòng)於電能(néng)和功率(shuài)計量，並具有事件記(jì)錄和數據(jù)報(bào)表導出(chū)功能(néng)。

Acrel-3000型電能(néng)管(guǎn)理係(xì)統(tǒng)對(duì)變(biàn)配電(diàn)係統(tǒng)進(jìn)行(háng)分(fēn)散數據采集和(hé)集(jí)中監控管理。對配電係統的二次設(shè)備進行組網，通過計(jì)算(suàn)機和通(tōng)訊(xùn)網絡將(jiāng)分(fēn)散的配(pèi)電所的現場設(shè)備連接(jiē)為(wéi)一個有機的(dí)整(zhěng)體(tǐ)，實現(xiàn)電網(wǎng)運行的遠程監控和集(jí)中管理(lǐ)。

The farm is located in Nampula, Mozambique, and mainly uses a three-phase electric energy meter APM800 and split core current transformers.It is used for electric energy and power measurement, and has event recording and data report export function.

Acrel-3000 energy management system provides decentralized data acquisition and centralized monitoring and management of the substation and distribution system. It networks the secondary equipment of the power distribution system, connects the field equipment of scattered substation into an organic whole through computer and communication network, realizes remote monitoring and centralized management of grid operation.

1 係(xì)統介紹 System Introduction

本監控係統采(cǎi)用(yòng)分層(céng)分布式結構(gòu)，即(jí)設備層，通訊(xùn)層與(yǔ)站控管理層。

現(xiàn)場設(shè)備(bèi)層主(zhǔ)要為(wéi)多功能(néng)網絡電(diàn)力(lì)儀表，這(zhè)些裝(zhuāng)置(zhì)對應的一次設(shè)備(bèi)分(fēn)別安(ān)裝在電氣(qì)櫃(guì)內，這些(xiē)裝置均(jūn)采(cǎi)用RS485通訊(xùn)接口，通過現場(cháng)MODBUS總綫(xiàn)組網(wǎng)通訊(xùn)，實(shí)現數(shù)據現(xiàn)場采(cǎi)集。

網絡通訊(xùn)層主要(yào)為工業串(chuàn)口(kǒu)服(fú)務(wù)器(qì)，其主(zhǔ)要功(gōng)能為把分散在現場的采集裝(zhuāng)置(zhì)集中采集，同(tóng)時(shí)遠傳至(zhì)站控(kòng)層(céng)，完成(chéng)現場層(céng)和(hé)站(zhàn)控層之(zhī)間的(dí)數據交互。

站控管理(lǐ)層(céng)設有高性能(néng)工業計算機(jī)，顯示器，UPS電源(yuán)，打印(yìn)機(jī)等(děng)設備(bèi)。監控係(xì)統(tǒng)安(ān)裝在(zài)計算機上(shàng)，集(jí)中采集顯(xiǎn)示(shì)現(xiàn)場(cháng)設備運(yùn)行狀況，以人(rén)機交互(hù)的形式(shì)顯(xiǎn)示給用戶。

This system adopts a hierarchical distributed structure,that is，the equipment layer, the communication layer and the station control management layer.

The equipment layer is mainly multi-function energy meters. The corresponding primary equipment of these devices are respectively installed in the electrical cabinet. These devices all adopt RS485 communication interface,and realize data collection through field MODBUS network communication.

The communication layer is mainly an industrial serial server.Its main function is to centrally collect the devices scattered in the field and transmit data to the station control management layer at the same time to complete the data interaction between the equipment layer and the station control management layer.

The station control management layer is equipped with high-performance industrial computers, monitors, UPS power supplies, printers and other equipment.The system is installed on the computer, collects and displays the operating status of the field equipment, and displays it to the user in the form of human-computer interaction.

2 電能管理係統主要(yào)功能 Main Function

2.1  數據采集與處(chǔ)理(lǐ) Data acquisition and processing

數據(jù)采集是配(pèi)電(diàn)監(jiān)控的基礎，數據采(cǎi)集主(zhǔ)要(yào)由底層多功能網(wǎng)絡儀(yí)表采(cǎi)集(jí)完(wán)成，實現遠(yuǎn)程數(shù)據(jù)的本(běn)地(dì)實時顯示。需(xū)要完(wán)成(chéng)采集的信號(hào)包括(kuò)
：三(sān)相電壓U，三相電流I，頻(pín)率Hz，功率(shuài)P，功率(shuài)因數COSφ，電度(dù)EpI，遠程(chéng)設備(bèi)運行(háng)狀態(tài)等(děng)數(shù)據。

數據處理主(zhǔ)要是(shì)把(bǎ)按(àn)要求采(cǎi)集到的電參量(liáng)實時(shí)準確的顯示給用(yòng)戶，達到配電監控的(dí)自動(dòng)化化和智(zhì)能化要(yào)求，同時把采集到的(dí)數(shù)據存入數(shù)據庫供用戶(hù)查詢。

Data collection is the basis of power distribution monitoring. The data collection is mainly completed by the bottom multi-functional network instrument collection to realize the local real-time display of remote data.

The signals that need to be collected include: three-phase voltage U, three-phase current I, frequency Hz, power P, power factor COSφ, electricity EpI, remote device operating status and other data.

Data processing is mainly to display the electrical parameters collected as required to users in real time and accurately to meet the requirements of automation and intelligence for power distribution monitoring. At the same time, the collected data is stored in the database for users to query.

2.2  人(rén)機交(jiāo)互Human-computer interaction

係統提(tí)供(gōng)簡(jiǎn)單，易用，良(liáng)好的(dí)用戶使(shǐ)用界麵。采用全(quán)中(zhōng)文(wén)界麵，圖(tú)形顯(xiǎn)示低壓配(pèi)電(diàn)係統電(diàn)氣一(yī)次(cì)主接(jiē)綫圖(tú)，顯示(shì)配電係統設(shè)備狀(zhuàng)態及(jí)相(xiāng)應(yīng)實(shí)時運行參數，畫麵(miàn)定時輪巡切(qiē)換；畫(huà)麵實時(shí)動(dòng)態刷新；模(mó)擬(nǐ)量顯(xiǎn)示；開(kāi)關量顯示；連續記(jì)錄顯示等。

The system provides a simple, easy-to-use and good user interface. Adopt full Chinese interface, graphically display the primary electrical wiring diagram of low-voltage power distribution system, display the status of power distribution system equipment and corresponding real-time operating parameters, the screen will switch regularly; the screen will be dynamically refreshed in real time; analog display; switch display; continuous recording display etc.

2.3  歷史事(shì)件Historical events

歷史事(shì)件查(chá)看界麵主要(yào)為(wéi)用(yòng)戶查看(kàn)曾經(jīng)發(fā)生過(guò)的故障記(jì)錄(lù)，信號(hào)記錄，操(cāo)作記(jì)錄，越限記錄提供方便友好(hǎo)的人機(jī)交互(hù)，通過歷史(shǐ)事件查看(kàn)平(píng)台(tái)，您(nín)可以根據(jù)自己(jǐ)的要求和(hé)查(chá)詢條件方(fāng)便(biàn)定位(wèi)您所要查看(kàn)的歷(lì)史(shǐ)事(shì)件(jiàn)，為您把(bǎ)握(wò)整(zhěng)個係統(tǒng)的運(yùn)行(háng)情況(kuàng)提供了(liǎo)良(liáng)好的(dí)軟(ruǎn)件支持。

The historical event viewing interface mainly provides convenient and friendly human-computer interaction for users to view the fault records, signal records, operation records, and limit violation records that have occurred. Through the historical event viewing platform, you can conveniently locate the historical event you want to view according to your own requirements and query conditions, and provides good software support for you to grasp the operation of the entire system.

2.4  數(shù)據庫(kù)建立與(yǔ)查詢Database establishment and query

主要(yào)完(wán)成(chéng)遙測量(liáng)和遙信(xìn)量定時采集，並且建(jiàn)立(lì)數(shù)據庫，定期生成(chéng)報(bào)表(biǎo)，以(yǐ)供(gōng)用(yòng)戶(hù)查詢打印(yìn)。

It mainly completes the timing collection of remote measurement and remote information, and establishes a database, and generates reports on a regular basis for users to query and print.

2.5  用(yòng)戶權(quán)限(xiàn)管理User authority management

針對(duì)不同(tóng)級(jí)別的用(yòng)戶(hù)，設置(zhì)不同(tóng)的(dí)權(quán)限(xiàn)組(zǔ)，防止因人為誤(wù)操(cāo)作給生產，生(shēng)活(huó)帶來的損(sǔn)失，實(shí)現(xiàn)配(pèi)電(diàn)係統的安全，可靠(kào)運(yùn)行。可(kě)以通(tōng)過用戶(hù)管理(lǐ)進行(háng)用(yòng)戶登錄(lù)，用戶注銷，修改密碼，添加(jiā)刪除(chú)等操(cāo)作(zuò)，方(fāng)便用(yòng)戶(hù)對(duì)賬號和權限的(dí)修(xiū)改(gǎi)。

For users of different levels, different authority groups are set to prevent the loss of production and life due to human misoperation, and realize the safe and reliable operation of the power distribution system.Users can log in, log out, modify passwords, add and delete operations through user management, which is convenient for users to modify accounts and permissions.

2.6  報表查詢(xún)Report query

報表管(guǎn)理程(chéng)序(xù)的(dí)主要功(gōng)能(néng)是根(gēn)據(jù)用戶(hù)的(dí)需(xū)要(yào)設計(jì)報表樣式，把係統(tǒng)中處理(lǐ)的數據經(jīng)過篩選，組(zǔ)合和(hé)統(tǒng)計(jì)生(shēng)成用戶需要的報表數(shù)據。本(běn)程序(xù)還(huán)可(kě)以根據用(yòng)戶(hù)的需要對報(bào)表文件(jiàn)采(cǎi)用(yòng)定(dìng)時保(bǎo)存，打印或者召(zhào)喚保存(cún)，打印模式(shì)。同時(shí)本(běn)程序還向用(yòng)戶(hù)提供(gōng)了對(duì)生(shēng)成(chéng)的(dí)報表(biǎo)文件管理功能(néng)。

報(bào)表(biǎo)具(jù)有(yǒu)自由(yóu)設(shè)置查(chá)詢時間實現(xiàn)日，月，年的(dí)電能統計，數據(jù)導(dǎo)出和報(bào)表(biǎo)打(dǎ)印等功能。

The main function of the report management program is to design report styles according to the needs of users, filter, combine and count the data processed in the system to generate report data that users need.This program can also adopt the regular saving, printing or summon saving and printing modes for the report file according to the needs of users.At the same time, this program also provides users with the function of managing the generated report files.

The report has the functions of freely setting the query time to realize the electric energy statistics of the day, month and year, data export and report printing.

3 產品介紹Product Introduction

4 項目小(xiǎo)結Project Summary

     在當(dāng)今配電設(shè)施(shī)的應(yīng)用中，項(xiàng)目的配電安全性至(zhì)關(guān)重(zhòng)要，本文介紹了Acrel-3000電能管理係統(tǒng)可以實現(xiàn)對配電(diàn)室(shì)供(gōng)配(pèi)電回路用電(diàn)的實時監(jiān)控(kòng)，不僅能顯示(shì)回路用(yòng)電(diàn)狀(zhuàng)況，還(huán)具有網絡通訊(xùn)功能(néng)，可以與串口服(fú)務器(qì)，計(jì)算機(jī)等組成電(diàn)能管理係統。係統實現對采集數據的分(fēn)析，處理，實(shí)時(shí)顯(xiǎn)示(shì)配(pèi)電(diàn)室(shì)內(nèi)各(gè)配電回路的運行狀(zhuàng)態(tài)，對(duì)負載越限(xiàn)具(jù)有彈出(chū)報警(jǐng)對(duì)話框，語音提(tí)示，並生成(chéng)各種電(diàn)能報表，分(fēn)析曲綫，圖形等(děng)，便於(yú)電能(néng)的遠程(chéng)抄表以(yǐ)及分析，研究。該(gāi)係(xì)統運行安全，可靠，穩(wěn)定，為工(gōng)業(yè)項(xiàng)目(mù)解決用(yòng)電問(wèn)題提(tí)供(gōng)了真(zhēn)實(shí)可(kě)靠的依(yī)據，取得了(liǎo)較(jiào)好的(dí)效(xiào)益(yì)。4  項目(mù)小(xiǎo)結Project Summary

It is paramount important that the safety of the projects in the application of power distribution facilities.This article introduces the application of Acrel-3000 energy management system can realize real-time monitoring of power supply and distribution circuits in power distribution rooms.It can not only display the power consumption status of the loop, but also has the function of network communication, and can form an electric energy management system with serial server, computer, etc.The system realizes the analysis and processing of the collected data, real-time display of the operation status of the distribution circuits in the distribution room, pop-up alarm dialog, voice prompt for load exceeding limits, and generates various electric energy reports, analysis curves, graphics, etc., which is convenient for remote meter reading, analysis and research of electric energy.The system is safe, reliable and stable in operation, providing a true and reliable basis for industrial projects to solve power problems, and has achieved good benefits.

5 現場圖(tú)片Field picture

參(cān)考文(wén)獻Bibliography

1.Solutions for Enterprise Micro-grid System