安科瑞  陳(chén)聰(cōng) 周潔(jié)

 摘要(yào)：介(jiè)紹(shào)埃(āi)塞(sāi)俄比亞阿(ā)瓦(wǎ)薩(sà)工業園(yuán)區項(xiàng)目(mù)，采用(yòng)智能電(diàn)力儀表，采(cǎi)集配電現場的(dí)各種電參量和開關信號。係(xì)統(tǒng)采(cǎi)用現場就(jiù)地(dì)組(zǔ)網(wǎng)的方式，組網(wǎng)後通過現(xiàn)場總綫通(tōng)訊並遠(yuǎn)傳(chuán)至(zhì)後台(tái)，通過(guò)電力管理(lǐ)係(xì)統實現變電(diàn)所(suǒ)用電的(dí)實時(shí)監控(kòng)和管(guǎn)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(jiàn)詞：智能電(diàn)力(lì)儀表;配電(diàn)室(shì);電(diàn)力(lì)管理(lǐ)係統

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

  0 概述Overview

  阿瓦薩工業(yè)園(yuán)區位(wèi)於非州埃(āi)塞俄比亞。

  本項(xiàng)目現場10KV配電室AH1~AH14櫃內的微(wēi)機保護(hù)，電(diàn)能(néng)表(biǎo)等，監測(cè)其供配電係(xì)統在運(yùn)行(háng)過程(chéng)中的實(shí)時(shí)電參量(liáng)等數據。

  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 需求分析Demand analysis

  解(jiě)決方案(àn)：

  1)10kV/35kV變(biàn)電站綜合自(zì)動化係(xì)統；

  2)配(pèi)網(wǎng)開(kāi)關(guān)站智能(néng)監(jiān)控後(hòu)台係統(tǒng)；

  3)用(yòng)電需(xū)求(qiú)側協(xié)調控(kòng)製平(píng)台。

  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(zhèng)生(shēng)產管理用(yòng)電負(fù)荷(hé)的統計與分(fēn)析(xī)及(jí)對(duì)危(wēi)險源實時(shí)監(jiān)控(kòng)。需(xū)要(yào)對項目現場的配電箱內(nèi)進(jìn)綫及出綫(xiàn)回路(lù)進行電壓(U)，電(diàn)流(liú)(I)，功(gōng)率(P)等(děng)參數進(jìn)行實(shí)時(shí)在(zài)綫監控。一(yī)旦監控點(diǎn)被(bèi)監視參數(shù)異(yì)常，能(néng)夠及時檢測(cè)報警，有關人(rén)員采取必(bì)要(yào)的措施，避免安(ān)全(quán)事故的發(fā)生(shēng)。自動抄表功(gōng)能(néng)節(jié)省了人力物力(lì)，功率(shuài)趨(qū)勢曲綫(xiàn)功能(néng)能夠直觀(guān)的顯示(shì)各回路的(dí)工作狀態與時間，方便用(yòng)戶(hù)找(zhǎo)出非正常用電回路並(bìng)且及時(shí)進(jìn)行(háng)整改，建(jiàn)立(lì)電(diàn)能多級(jí)計(jì)量(liáng)體係提(tí)供(gōng)用能分析(xī)依據。

  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(gōng)方產品應具有(yǒu)高安(ān)全性與可(kě)靠(kào)性，易於(yú)擴展，便(biàn)於維(wéi)修與(yǔ)維(wéi)護(hù)。供方提供的(dí)產品(pǐn)應(yīng)至少(shǎo)滿足(zú)本(běn)技術(shù)條件(jiàn)，但不僅於此(cǐ)，其技(jì)術(shù)性能應(yīng)滿(mǎn)足(zú)對配電箱數據監控(kòng)的要求。

  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(fāng)案(àn)System solutions

  安科(kē)瑞(ruì)Acrel-2000係統根(gēn)據(jù)項目現場實際(jì)情(qíng)況，整體(tǐ)網(wǎng)絡(luò)結構采用(yòng)屏(píng)蔽(bì)雙(shuāng)絞綫直接接至(zhì)數據采集器然後通過網(wǎng)綫直接(jiē)接至值班(bān)室的監(jiān)控主機(jī)，保障(zhàng)了(liǎo)電力管理監控(kòng)係統傳輸的(dí)穩(wěn)定性與實(shí)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(lǐ)層Station control management

  站(zhàn)控(kòng)管理層(céng)針對電(diàn)力(lì)監控係(xì)統的管理(lǐ)人(rén)員，是(shì)人機交互(hù)的直(zhí)接窗(chuāng)口(kǒu)。在此項目中主(zhǔ)要(yào)指(zhǐ)配(pèi)電室的監控主機(jī)。

  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(luò)通(tōng)訊(xùn)層Network communication layer

  通(tōng)訊層(céng)主(zhǔ)要(yào)是(shì)由(yóu)采集(jí)器，以(yǐ)太(tài)網(wǎng)設備(bèi)及(jí)總(zǒng)綫網絡(luò)組成。通(tōng)訊管(guǎn)理機主要功能(néng)是監測現場智能(néng)儀(yí)表(biǎo)；以(yǐ)太網(wǎng)設(shè)備及(jí)總綫網絡的(dí)主要功(gōng)能是實現分站與(yǔ)主站(zhàn)之間(jiān)的數(shù)據交互(hù)，使(shǐ)配電係統管理集中化(huà)，信息(xī)化，智能化(huà)，很(hěn)大(dà)提高(gāo)了(liǎo)配(pèi)電係(xì)統的安全性，可靠(kào)性(xìng)和穩定(dìng)性(xìng)，達(dá)到了(liǎo)無人(rén)值守的目的。

  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(běn)項(xiàng)目采用安科(kē)瑞(ruì)自研(yán)通訊管(guǎn)理機(jī)ANet-2E8S1，提供2路10/100M以(yǐ)太(tài)網(wǎng)接口(kǒu)，8路(lù)光耦(ǒu)隔離(lí)RS485 和1路RS232(調(tiáo)試口(kǒu))，可(kě)支(zhī)持256台計(jì)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.

  通(tōng)訊管理(lǐ)機Communication management machine

  ANet智(zhì)能通(tōng)信管理機提供(gōng)豐富(fù)的規(guī)約(yuē)庫支持，實(shí)現不(bù)同(tóng)二次設(shè)備(bèi)供(gōng)應商(shāng)的(dí)智能設備互(hù)聯。

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

  3）現場設備(bèi)層Field device layer

  現場(cháng)設備層是(shì)數據采(cǎi)集終端，主(zhǔ)要(yào)由微機(jī)保(bǎo)護和智(zhì)能儀表組(zǔ)成(chéng)，智(zhì)能儀表(biǎo)通過(guò)屏蔽雙絞(jiǎo)綫RS485接(jiē)口，采(cǎi)用MODBUS通訊協議總(zǒng)綫(xiàn)型(xíng)連(lián)接(jiē)接入通(tōng)訊服(fú)務器(qì)，經通(tōng)訊(xùn)服(fú)務器到達該(gāi)配(pèi)電間(jiān)監(jiān)控主機進行組網，實(shí)現(xiàn)遠程(chéng)控製。

  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)目采(cǎi)用安科瑞(ruì)微機綫(xiàn)路保(bǎo)護(hù)測(cè)控裝置AM5-F和(hé)嵌入式(shì)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.

AM5-F                   AEM96

  3  係統功能(néng)System functions

  實時監控係(xì)統(tǒng)圖為主(zhǔ)監(jiān)控(kòng)畫(huà)麵，主(zhǔ)要(yào)實時監測變電(diàn)所(suǒ)所有回(huí)路(lù)的(dí)運(yùn)行(háng)狀(zhuàng)態(tài)。

  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(xìn)和遙(yáo)測(cè)報警功能，主要完成對低(dī)壓各(gè)出綫回(huí)路的開(kāi)關運(yùn)行(háng)狀態和(hé)負(fù)載進(jìn)綫監(jiān)控，對開關變位(wèi)和負(fù)載越(yuè)限彈出報(bào)警界(jiè)麵指示具(jù)體的報警(jǐng)位(wèi)置並聲音報警，提醒(xǐng)值班(bān)人員(yuán)及時(shí)處理(lǐ)。負(fù)載越(yuè)限(xiàn)值在(zài)相(xiāng)應權限下(xià)可(kě)自由(yóu)設置(zhì)。

  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)警記錄(lù)功能(néng)，主(zhǔ)要完成(chéng)對查(chá)詢時(shí)間段內出現(xiàn)的報(bào)警信息事(shì)件記錄(lù)以及發生(shēng)時間，為值班(bān)人員(yuán)提供依(yī)據並且(qiě)分析事故(gù)發生的(dí)原因，如下圖所(suǒ)示：

  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(cān)數(shù)抄表(biǎo)功能(néng)，主(zhǔ)要對低(dī)壓各出綫回路(lù)的(dí)電參(cān)數進綫查(chá)詢。支持任意(yì)時刻(kè)電參數(shù)查詢，具備數據導出和報表打(dǎ)印等功能(néng)。該(gāi)報表查(chá)詢項目(mù)配(pèi)電箱進出綫各(gè)低(dī)壓(yā)回(huí)路的電參(cān)數，主要包括：三相(xiāng)電流，有(yǒu)功功(gōng)率和有功電度(dù)。該(gāi)報(bào)表各(gè)回路名稱和數據庫關聯，方(fāng)便(biàn)用(yòng)戶(hù)修(xiū)改(gǎi)回路名(míng)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(diàn)量報表功能(néng)，可選擇(zé)時(shí)間段進行(háng)查(chá)詢，支持任意時間(jiān)段(duàn)電度累計查詢，具備數據導出(chū)和(hé)報表打印(yìn)等功(gōng)能(néng)。為值班(bān)人員(yuán)提(tí)供了(liǎo)確(què)可靠的電能報表。該(gāi)報(bào)表各回路名稱(chēng)和數據庫關(guān)聯(lián)，方(fāng)便用戶修改(gǎi)回(huí)路名稱。如下(xià)圖所(suǒ)示，用戶(hù)可(kě)以直接打印(yìn)報(bào)表(biǎo)，可以(yǐ)以EXCEL格(gé)式另存到其他位置(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)束語(yǔ)Concluding

  在當今(jīn)配電設施的應(yīng)用中(zhōng)，項(xiàng)目的(dí)配電安(ān)全性至關(guān)重(zhòng)要(yào)，本文介紹的(dí)電(diàn)力管理係(xì)統(tǒng)在阿瓦薩(sà)工(gōng)業(yè)園區項目(mù)的(dí)應用，可以實現對(duì)變電所配(pèi)電回路用電的(dí)實(shí)時監控(kòng)，不僅能顯示回(huí)路(lù)用(yòng)電狀況，還具有網絡通訊功(gōng)能(néng)，可以與(yǔ)通訊(xùn)管理機，計算機等組成電(diàn)力(lì)管理(lǐ)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.

  係統實現對采(cǎi)集數據的分析(xī)，處理，實時(shí)顯(xiǎn)示配電室內(nèi)各配(pèi)電回(huí)路的(dí)運行狀(zhuàng)態，對負(fù)載越限具(jù)有彈(dàn)出報(bào)警(jǐng)對話(huà)框，語(yǔ)音(yīn)提(tí)示(shì)，並生成(chéng)各種電能(néng)報表，分析(xī)曲(qū)綫，圖(tú)形等，便於電(diàn)能的遠程抄表(biǎo)以(yǐ)及分析(xī)，研(yán)究(jiū)，該係(xì)統運(yùn)行(háng)安全(quán)，可(kě)靠，穩定，為(wéi)項(xiàng)目解決用電問(wèn)題(tí)提供(gōng)了真實可靠的(dí)依據，取(qǔ)得(dé)了較好(hǎo)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.