安科瑞 陳聰

Power monitoring system of Hawassa industrial park construction and procurement project

摘要：介(jiè)紹(shào)埃(āi)塞俄比亞阿(ā)瓦(wǎ)薩工業(yè)園區(qū)項目(mù)，采用智能電力(lì)儀表，采集配電現場的(dí)各種電參量和開關信號(hào)。係(xì)統采用(yòng)現(xiàn)場(cháng)就地組網的方式，組網後通(tōng)過現(xiàn)場總綫通訊並(bìng)遠傳至(zhì)後(hòu)台，通過(guò)電(diàn)力管理係統(tǒng)實(shí)現變電所用電的(dí)實(shí)時(shí)監(jiān)控(kòng)和管理(lǐ)。

Abstract: Introduce of Hawassa industrial park project, which adopts intelligent power meters to collect various electrical parameters and switch signals at the distribution site. The system adopts the method of on-site networking. After networking, it communicates through the field bus and transmits it to the background. The power management system realizes real-time monitoring and management of the power consumption of the substation.

關鍵詞：智(zhì)能(néng)電力儀表;配(pèi)電室(shì);電力(lì)管理係(xì)統(tǒng)

Keywords: smart power meter; power distribution room; power management system

0 概述Overview

阿瓦薩工(gōng)業(yè)園區(qū)位於(yú)非州(zhōu)埃(āi)塞俄(é)比(bǐ)亞。

本項目(mù)現場(cháng)10KV配電(diàn)室AH1~AH14櫃內(nèi)的微機(jī)保(bǎo)護，電能表等，監測其供配(pèi)電(diàn)係(xì)統在運(yùn)行過程(chéng)中(zhōng)的實時(shí)電參(cān)量(liáng)等數據(jù)。

Hawassa Industrial Park is located in Ethiopia, Africa。

The protection device, electric energy meter, etc. in the AH1~AH14 cabinets of the 10KV power distribution room at the project site monitor the real-time electrical parameters and other data of the power supply and distribution system during operation.

1 需求(qiú)分析Demand analysis

解決方案：

1)10kV/35kV變電(diàn)站綜合自(zì)動(dòng)化(huà)係統；

2)配網(wǎng)開關站智能監控(kòng)後台係統；

3)用電需求側協調控製平台(tái)。

solution:

1) 10kV/35kV substation integrated automation system;

2) Intelligent monitoring background system of distribution network switch station;

3) Coordinated control platform on the demand

side of electricity

為保證生(shēng)產管理(lǐ)用電負(fù)荷的統計與分(fēn)析(xī)及對危險源(yuán)實時監(jiān)控。需要對(duì)項目(mù)現(xiàn)場的配(pèi)電箱內進(jìn)綫(xiàn)及(jí)出綫回(huí)路進(jìn)行電壓(U)，電(diàn)流(I)，功率(shuài)(P)等(děng)參數(shù)進行(háng)實(shí)時(shí)在(zài)綫監控。一旦(dàn)監控(kòng)點(diǎn)被監視參數(shù)異常，能夠及時檢測(cè)報(bào)警，有關(guān)人員采(cǎi)取(qǔ)必(bì)要的措施(shī)，避免(miǎn)安(ān)全事(shì)故的(dí)發生(shēng)。自動(dòng)抄表功能節省(shěng)了人力(lì)物力，功(gōng)率趨(qū)勢曲(qū)綫功能(néng)能夠(gòu)直(zhí)觀(guān)的顯示各(gè)回(huí)路(lù)的工作狀態(tài)與(yǔ)時間，方(fāng)便用戶(hù)找出(chū)非正(zhèng)常用電回(huí)路並且及時(shí)進(jìn)行整改，建立電能(néng)多級計(jì)量體(tǐ)係提供用(yòng)能(néng)分析依據(jù)。

To ensure the statistics and analysis of electricity load for production management and real-time monitoring of hazard sources. It is necessary to conduct real-time online monitoring of parameters such as voltage (U), current (I), and power (P) in the incoming and outgoing circuit of the distribution box at the project site. Once the monitoring point is monitored with abnormal parameters, it can detect and alarm in time, and relevant personnel can take necessary measures to avoid safety accidents. The automatic meter reading function saves manpower and material resources. The power trend curve function can intuitively display the working status and time of each circuit, which is convenient for users to 

find abnormal power circuits and make corrections in time, and establish a multi-level electrical energy measurement system to provide energy analysis basis .

供方產品應具有(yǒu)高(gāo)安全(quán)性與(yǔ)可靠性(xìng)，易於擴(kuò)展(zhǎn)，便於(yú)維(wéi)修與(yǔ)維(wéi)護。供(gōng)方(fāng)提(tí)供(gōng)的(dí)產品應(yīng)至(zhì)少(shǎo)滿足(zú)本(běn)技術(shù)條(tiáo)件，但(dàn)不僅於此，其(qí)技(jì)術(shù)性(xìng)能應(yīng)滿足(zú)對(duì)配電箱數(shù)據監控的要(yào)求。

The supplier's products should have high safety and reliability, easy to expand, easy to repair and maintain. The products provided by the supplier shall meet the technical requirements at least, but not only this, but the technical performance shall meet the requirements for data monitoring of the distribution box.

2  係統方案System solutions

安(ān)科(kē)瑞Acrel-2000係統根據(jù)項(xiàng)目現場實(shí)際情況(kuàng)，整體(tǐ)網絡結構采用屏蔽(bì)雙(shuāng)絞(jiǎo)綫直接接(jiē)至數據采集(jí)器(qì)然後(hòu)通(tōng)過網綫直(zhí)接接至值班室的監控主機，保障了電力管理監(jiān)控(kòng)係(xì)統傳(chuán)輸(shū)的(dí)穩(wěn)定性與(yǔ)實時性(xìng)。

According to the actual situation of the project, the Acrel-2000 system uses a shielded twisted pair cable to directly connect to the data collector and then directly connect to the monitoring host in the duty room through a network cable. , To ensure the stability and real-time transmission of the power management monitoring system.

1）站控管理層Station control management

站(zhàn)控管(guǎn)理層(céng)針對電(diàn)力(lì)監控(kòng)係統(tǒng)的管理人員(yuán)，是人(rén)機(jī)交互(hù)的直(zhí)接(jiē)窗口。在(zài)此(cǐ)項目中主要指配(pèi)電室(shì)的(dí)監控(kòng)主(zhǔ)機。

The station control management layer is the direct window of human-computer interaction for 

the management personnel of the power monitoring system. In this project, it mainly refers to the monitoring host of the power distribution room.

2）網(wǎng)絡通訊(xùn)層Network communication layer

 通訊層主要是由(yóu)采(cǎi)集(jí)器(qì)，以太網(wǎng)設(shè)備(bèi)及總綫(xiàn)網絡(luò)組(zǔ)成(chéng)。通訊(xùn)管理機主要功能(néng)是監測(cè)現(xiàn)場智能儀表(biǎo)；以太網設(shè)備(bèi)及總(zǒng)綫網絡的(dí)主(zhǔ)要(yào)功能(néng)是(shì)實(shí)現(xiàn)分站(zhàn)與主站之間(jiān)的數據交互(hù)，使配(pèi)電(diàn)係(xì)統(tǒng)管理集(jí)中(zhōng)化，信(xìn)息化(huà)，智能化，很(hěn)大(dà)提高了配電係統的安全性，可靠性和(hé)穩定(dìng)性，達到(dào)了無人值(zhí)守(shǒu)的(dí)目的。

The communication layer is mainly composed of collectors, Ethernet devices and bus networks. The main function of the communication management machine is to monitor the on-site intelligent instruments; the main function of the Ethernet equipment and the bus network is to realize the data interaction between the substation and the main station, so that the management of the distribution system is centralized, informatized, and intelligent, which greatly improves This improves the safety, reliability and stability of the power distribution system, and achieves the goal of unattended operation.

本項(xiàng)目采用(yòng)安(ān)科(kē)瑞自研(yán)通訊管(guǎn)理(lǐ)機(jī)ANet-2E8S1，提供(gōng)2路(lù)10/100M以太(tài)網接(jiē)口(kǒu)，8路光耦隔離(lí)RS485 和1路RS232(調(tiáo)試口)，可支持(chí)256台計量設(shè)備(bèi)。

This project uses Acrel's self-developed communication management machine ANet-2E8S1, which provides 2 10/100M Ethernet interfaces, 8 optocoupler isolation RS485 and 1 RS232 (debugging port), which can support 256 metering devices.

ANet智能通(tōng)信管理機(jī)提供豐富的規約(yuē)庫(kù)支持，實(shí)現(xiàn)不同二次(cì)設備供應商的智能設備互(hù)聯(lián)。通訊管(guǎn)理機Communication management machine

ANet intelligent communication management machine provides rich protocol library support to realize the interconnection of intelligent equipment of different secondary equipment suppliers.

3）現場(cháng)設備(bèi)層(céng)Field device layer

現場設(shè)備(bèi)層(céng)是(shì)數(shù)據(jù)采集(jí)終端，主要由(yóu)微機保護和智能儀表(biǎo)組成，智能(néng)儀(yí)表通過屏(píng)蔽雙絞綫(xiàn)RS485接口，采用MODBUS通訊協(xié)議(yì)總綫型連接接(jiē)入通(tōng)訊(xùn)服(fú)務器，經通(tōng)訊服(fú)務器(qì)到(dào)達該配電間(jiān)監(jiān)控主(zhǔ)機(jī)進行(háng)組網(wǎng)，實(shí)現遠程控(kòng)製。

The field device layer is the data acquisition terminal, which is mainly composed of microcomputer protection and smart meters. The smart meters are connected to the communication server through the shielded twisted pair RS485 interface and the MODBUS communication protocol bus connection. The communication server reaches the monitoring host of the power distribution room. Networking to realize remote control.

本項(xiàng)目(mù)采用(yòng)安科(kē)瑞(ruì)微(wēi)機綫(xiàn)路保護(hù)測控(kòng)裝(zhuāng)置AM5-F和(hé)嵌入(rù)式安裝電能(néng)計量裝置(zhì)AEM96。

This project uses Acrel's microcomputer line protection and measurement device AM5-F and embedded installation electric energy metering device AEM96.

3  係統功能(néng)System functions

實時監(jiān)控(kòng)係統圖為主(zhǔ)監(jiān)控(kòng)畫(huà)麵(miàn)，主(zhǔ)要(yào)實時監測變電所所有回路(lù)的運行狀態。

The real-time monitoring system diagram is the main monitoring screen, which mainly monitors the operating status of all circuits in the substation in real time. .

遙信和(hé)遙測報(bào)警功(gōng)能，主(zhǔ)要完成對低壓(yā)各出綫(xiàn)回路(lù)的(dí)開(kāi)關運(yùn)行(háng)狀態(tài)和(hé)負載(zǎi)進(jìn)綫監控(kòng)，對開(kāi)關變位和(hé)負(fù)載(zǎi)越限彈出(chū)報警界(jiè)麵(miàn)指示具(jù)體的報(bào)警位置並(bìng)聲音報警，提醒值班人(rén)員及(jí)時(shí)處(chǔ)理。負載越(yuè)限值(zhí)在相(xiāng)應(yīng)權(quán)限

下(xià)可(kě)自(zì)由設置。       

The remote signaling and remote measurement alarm functions mainly complete the monitoring of the switch operation status of the low-voltage outlet circuits and the load incoming line. The pop-up alarm interface for switch displacement and load limit violations indicates the specific alarm location and sounds the alarm to remind the duty personnel to deal with it in time. The load limit can be set freely under the corresponding authority.

事件告(gào)警(jǐng)記(jì)錄功能，主要(yào)完成對查(chá)詢(xún)時(shí)間段內出現的(dí)報警信息(xī)事件記錄以(yǐ)及發生時間，為(wéi)值班(bān)人(rén)員(yuán)提供(gōng)依據並(bìng)且(qiě)分析事故發生(shēng)的(dí)原(yuán)因，如(rú)下(xià)圖(tú)所(suǒ)示(shì)：

The event alarm record function mainly completes the record of the alarm information and the occurrence time of the alarm information that occurred during the query time period, and provides the basis for the staff on duty and analyzes the cause of the accident, as shown in the following figure:

參數(shù)抄表(biǎo)功能(néng)，主(zhǔ)要對(duì)低壓各出(chū)綫回(huí)路的電(diàn)參數進(jìn)綫(xiàn)查詢。支持(chí)任(rèn)意時刻電(diàn)參(cān)數查(chá)詢，具備(bèi)數據(jù)導(dǎo)出和報表打印等(děng)功能(néng)。該(gāi)報表(biǎo)查(chá)詢(xún)項(xiàng)目配電(diàn)箱進出(chū)綫各低(dī)壓回路的電參數(shù)，主要包括：三(sān)相電(diàn)流(liú)，有(yǒu)功功(gōng)率和(hé)有功(gōng)電度。該(gāi)報(bào)表各(gè)回路名稱和(hé)數(shù)據庫關聯，方便用戶修改回(huí)路名稱。

Parameter meter reading function, mainly to query the electrical parameters of the low-voltage outgoing circuit. Supports electrical parameter query at any time, with functions such as data export and report printing. This report queries the electrical parameters of each low-voltage circuit of the inlet and outlet lines of the distribution box of this project, mainly including: three-phase current, active power and active energy. The name of each circuit in this report is associated with the database, which is convenient for users to modify the name of the circuit. 

用(yòng)電量(liáng)報(bào)表功(gōng)能，可選(xuǎn)擇(zé)時間(jiān)段(duàn)進(jìn)行(háng)查詢(xún)，支持任(rèn)意時(shí)間段電度(dù)累(léi)計(jì)查詢，具備數(shù)據(jù)導出(chū)和報表(biǎo)打印等功能(néng)。為值(zhí)班(bān)人(rén)員(yuán)提供了(liǎo)確可靠的(dí)電能報表(biǎo)。該(gāi)報(bào)表各(gè)回(huí)路名(míng)稱和數(shù)據(jù)庫關聯，方便用(yòng)戶修(xiū)改(gǎi)回(huí)路(lù)名(míng)稱。如(rú)下(xià)圖所示，用(yòng)戶(hù)可(kě)以直(zhí)接(jiē)打(dǎ)印報表，可(kě)以(yǐ)以EXCEL格(gé)式另(lìng)存到(dào)其他位(wèi)置(zhì)。

The power consumption report function can select the time period for query, supports the cumulative query of the power consumption at any time period, and has the functions of data export and report printing. Provide reliable electric energy report for the staff on duty. The name of each circuit in this report is associated with the database, which is convenient for users to modify the name of the circuit. As shown in the figure below, the user can print the report directly, and save it to another location in EXCEL format.

4  結(jié)束(shù)語Concluding

在(zài)當(dāng)今配電設施(shī)的應用中，項目(mù)的(dí)配電安(ān)全性(xìng)至關(guān)重(zhòng)要(yào)，本文介紹的電力(lì)管理(lǐ)係統(tǒng)在(zài)阿瓦薩工(gōng)業園區項目(mù)的應用，可以(yǐ)實(shí)現對(duì)變電(diàn)所配電(diàn)回路用(yòng)電的實(shí)時監控，不(bù)僅(jǐn)能顯示回路用電狀況，還具有網(wǎng)絡通訊功能，可以(yǐ)與通訊管(guǎn)理(lǐ)機(jī)，計(jì)算(suàn)機等組(zǔ)成(chéng)電力管理係統(tǒng)。

In the application of today’s power distribution facilities, the safety of the project’s power distribution is of paramount importance. The power management system introduced in this article is applied to the Hawassa industrial park project, which can realize power distribution in substations. The real-time monitoring of loop power consumption can not only display loop power consumption status, but also has network communication function, which can form a power management system with communication management machines and computers.

係(xì)統(tǒng)實(shí)現對采集數據(jù)的(dí)分析(xī)，處(chǔ)理，實(shí)時顯(xiǎn)示配電室內各配電回路的運行狀態(tài)，對負載越限(xiàn)具有彈出報警(jǐng)對(duì)話框，語音提(tí)示，並生成(chéng)各種(zhǒng)電能報(bào)表(biǎo)，分析

曲綫，圖形(xíng)等，便於(yú)電能(néng)的(dí)遠程(chéng)抄表(biǎo)以(yǐ)及分(fēn)析，研究，該係(xì)統運行安(ān)全，可靠，穩(wěn)定，為(wéi)項(xiàng)目解(jiě)決用(yòng)電問題提供了真(zhēn)實可靠(kào)的依(yī)據，取得了較好的效(xiào)益(yì)。

The system realizes the analysis and processing of the collected data, real-time display of the operating status of each distribution circuit in the power distribution room, pop-up alarm dialog box, voice prompts for load exceeding limit, and generates various electric energy reports, analysis curves, graphics, etc., which is convenient The remote meter reading, analysis and research of electric energy show that the system is safe, reliable and stable, which provides a real and reliable basis for the project to solve electricity problems, and has achieved good benefits.