電能管理系統在商業(yè)廣場(chǎng)的應用

摘要：介紹某國際商業(yè)廣場(chǎng)項目，采用智能電力儀表、采集配電現場(chǎng)的各種電參量、開(kāi)關(guān)信號。系統采用現場(chǎng)就地組網(wǎng)的方式，組網(wǎng)后通過(guò)現場(chǎng)總線(xiàn)通訊并遠傳至后臺，通過(guò)Acrel-3000型電能管理系統實(shí)現樓層及配電房回路用電的實(shí)時(shí)監控和管理。

Abstract: Introduce an international commercial plaza project, which adopts smart 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 via fieldbus and transmits it to the background. The Acrel-3000 power management system realizes real-time monitoring and management of the power consumption of floors and power distribution rooms.

關(guān)鍵詞：智能電力儀表；Acrel-3000；電能管理系統;

Keywords: intelligent power meter; Acrel-3000; Energy management system;

0 概述 Overview

該項目位于某經(jīng)濟開(kāi)發(fā)區核心，區域內發(fā)展成熟，配套完善、交通便捷。本項目為現場(chǎng)各樓層配電間的用能改造?，F場(chǎng)757個(gè)配電出線(xiàn)回路安裝757臺多功能電表采集現場(chǎng)數據。

The project is located in the core of an economic development zone, with mature development, complete supporting facilities and convenient transportation. This project is the energy utilization transformation of the distribution rooms on each floor of the site. On-site 757 power distribution outgoing circuits were installed with 757 multi-function meters to collect field data.

1 需求分析 Demand Analysis

為保證生產(chǎn)管理用電負荷的統計與分析及對危險源實(shí)時(shí)監控。需要對項目現場(chǎng)的各配電箱等電氣設備進(jìn)行電壓、電流、功率等參數進(jìn)行實(shí)時(shí)在線(xiàn)監控。一旦監控點(diǎn)被監視參數異常，能夠及時(shí)檢測報警，有關(guān)人員采取必要的措施，避免安全事故的發(fā)生。自動(dòng)抄表功能節省了人力物力，功率趨勢曲線(xiàn)功能能夠直觀(guān)的顯示各回路的工作狀態(tài)與時(shí)間，方便用戶(hù)找出非正常用電回路并且及時(shí)進(jìn)行整改，建立電能多級計量體系提供用能分析依據。

本技術(shù)條件適用于該項目的回路進(jìn)出線(xiàn)回路。供方產(chǎn)品應具有高安全性與可靠性、易于擴展、便于維修與維護。供方提供的產(chǎn)品應至少滿(mǎn)足本技術(shù)條件，但不僅于此，其技術(shù)性能應滿(mǎn)足對設備配電箱數據監控的要求。

To ensure the statistics and analysis of electricity load for production management and real-time monitoring of hazard sources. Real-time online monitoring of voltage, current, power and other parameters of electrical equipment such as distribution boxes on the project site is required. 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 .

This technical condition applies to the incoming and outgoing circuits of the project. 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 equipment distribution box.

1.1 數據采集 Data Collection

自動(dòng)采集現場(chǎng)所有電量?jì)x表的模擬量數據，自動(dòng)采集現場(chǎng)開(kāi)關(guān)狀態(tài)以及故障狀態(tài)等開(kāi)關(guān)量數據。

支持實(shí)時(shí)采集、自動(dòng)周期采集（定時(shí)采集）可配置周期（1分鐘～24小時(shí)）。

支持數據傳輸正確性檢驗，異常數據自動(dòng)處理。

支持多線(xiàn)程處理機制，提高數據采集效率，能同時(shí)對多個(gè)設備進(jìn)行數據采集。

數據實(shí)時(shí)顯示采用配電箱主接線(xiàn)圖直觀(guān)顯示模式，各回路開(kāi)關(guān)斷合以及故障狀態(tài)直觀(guān)可見(jiàn)。

Automatically collect analog data of all power meters on site, and automatically collect on-site switching data such as on-site switch status and fault status.

Support real-time collection, automatic periodic collection (timing collection) configurable cycle (1 minute to 24 hours).

Support data transmission correctness inspection, automatic processing of abnormal data.

Support multi-threaded processing mechanism, improve the efficiency of data collection, and can collect data from multiple devices at the same time.

The real-time data display adopts the intuitive display mode of the main wiring diagram of the distribution box, and the disconnection and fault status of each circuit switch are intuitively visible.

1.2 數據分析與處理 Data Analysis And Processing

數據的綜合統計、分析需要實(shí)現以下功能：

各設備用電數據小時(shí)、日、月、年等時(shí)間段內的統計、計算。

各設備的用電負荷（有功、無(wú)功）大、小、平均值計算。

統計各分站及整體的用電量（有功、無(wú)功）。

Comprehensive statistics and analysis of data need to achieve the following functions:

Statistics and calculation of the electricity consumption data of each equipment within hours, days, months, years and other time periods.

Calculate the large, small and average value of the electrical load (active power, reactive power) of each device.

Count the power consumption (active power and reactive power) of each substation and the whole.

1.3 數據查詢(xún)與展示 Data Query And Display

要求能方便實(shí)現客戶(hù)端查詢(xún)和各級管理人員的查詢(xún)，查詢(xún)界面能適應各級管理人員的要求能夠支持靈活的條件組合查詢(xún)和對比分析，各類(lèi)統計分析的數據可靈活采用報表等多種圖表方式直觀(guān)的展示功能。

數據展示功能按照不同用戶(hù)的不同的權限，分為操作層、管理層、決策層三層用能展示。

操作層具備用能分析、累計用量、實(shí)時(shí)監測、運行記錄及比例、對比、對標分析等功能。

管理層具備用能數據統計和分析、分類(lèi)分項的對比、對標分析等功能。

決策層具備用能數據分析、數據刪除、數據庫導入/導出等功能。

It is required to facilitate the realization of client query and query of managers at all levels. The query interface can adapt to the requirements of managers at all levels. It can support flexible condition combination query and comparative analysis. Various types of statistical analysis data can be flexibly used in reports and other charts. Intuitive display function.

According to the different permissions of different users, the data display function is divided into three layers: operation layer, management layer, and decision-making layer.

The operation layer has functions such as energy consumption analysis, cumulative consumption, real-time monitoring, running records and ratios, comparison, and benchmarking analysis.

The management has functions such as statistics and analysis of energy consumption data, comparison of classification and sub-items, and benchmarking analysis.

The decision-making layer has functions such as energy data analysis, data deletion, and database import/export.

1.4 權限管理 Authority Management

要求對不同用戶(hù)賦予不同角色的權限，能授權到功能子菜單、具體檔案記錄、數據記錄等。

系統要求具備合理完善的用戶(hù)安全控制機制，能使應用環(huán)境中的信息資源得到保護，防止信息的丟失、失竊和破壞。

It is required to assign different roles to different users, and be able to authorize function sub-menus, specific file records, data records, etc.

The system requires a reasonable and complete user security control mechanism to protect the information resources in the application environment and prevent the loss, theft and destruction of information.

1.5 節能改造及效果評估 Energy-Saving Renovation And Effect Evaluation

要求為生產(chǎn)節能改造提供數據支撐，并能提供節能改造前后的效果評估。

It is required to provide data support for the energy-saving transformation of production, and provide the effect evaluation before and after the energy-saving transformation.

1.6 參數設置 Parameter Settings

可通過(guò)采集柜設置各回路互感器變比，各種電流電壓保護整定值。

故障判斷與報警具有故障自動(dòng)判斷并采用聲光方式報警功能。報警類(lèi)型包括開(kāi)關(guān)故障，電壓、電流超限，現場(chǎng)采集模塊通訊故障，與監控系統通訊故障等。報警時(shí)間自動(dòng)記入系統數據庫，方便用戶(hù)查詢(xún)，工作人員可隨時(shí)掌握變配電站實(shí)時(shí)運行狀態(tài)，發(fā)現變配電運行故障并作出相應處理，提高變配電的管理效率，提升電力系統安全性、可靠性。

The transformer ratio of each loop and the setting value of various current and voltage protection can be set through the acquisition cabinet.

Fault judgment and alarm have automatic fault judgment and use sound and light alarm function. Alarm types include switch failures, voltage and current overruns, communication failures of the field acquisition module, and communication failures with the monitoring system. The alarm time is automatically recorded in the system database, which is convenient for users to inquire. The staff can grasp the real-time operation status of the substation at any time, find the operation failure of the substation and distribution, and make corresponding treatments, improve the management efficiency of the substation and distribution, and enhance the safety of the power system. reliability.

2 系統方案 System Solutions

安科瑞Acrel-3000系統根據該項目的現場(chǎng)實(shí)際情況，整體網(wǎng)絡(luò )結構采用屏蔽雙絞線(xiàn)直接接至監控室的對應的數據采集器然后通過(guò)網(wǎng)線(xiàn)直接接至監控主機，保障了電能管理監控系統傳輸的穩定性與實(shí)時(shí)性。如下圖所示：站控管理層、網(wǎng)絡(luò )通訊層和現場(chǎng)設備層。

According to the actual situation of the project site, the Acrel-3000 system uses shielded twisted-pair cable to connect directly to the corresponding data collector in the monitoring room and then directly connects to the monitoring host through the network cable, ensuring the transmission of the power management monitoring system. The stability and real-time performance. As shown in the figure below: station control management layer, network communication layer and field device layer.

現場(chǎng)共計140只多功能儀表分為12條RS485總線(xiàn)接至配電房的監控工控機，實(shí)現總線(xiàn)上儀表與監控主機的數據連通。

A total of 140 multi-function instruments on site are divided into 12 RS485 buses connected to the monitoring industrial computer in the power distribution room to realize the data connection between the instruments on the bus and the monitoring host.

1）站控管理層 Station Control Management

站控管理層針對電力監控系統的管理人員，是人機交互的直接窗口。在該項目中主要指置于配電房的監控主機。

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 placed in the power distribution room.

2）網(wǎng)絡(luò )通訊層 Network Communication Layer

 通訊層主要是由監控工控機的通訊串口、以太網(wǎng)設備及總線(xiàn)網(wǎng)絡(luò )組成。串口主要功能是監測現場(chǎng)智能儀表；以太網(wǎng)設備及總線(xiàn)網(wǎng)絡(luò )的主要功能是實(shí)現分站與主站之間的數據交互，使配電系統管理集中化、信息化、智能化，很大提高了配電系統的安全性、可靠性和穩定性，達到了無(wú)人值守的目的。

The communication layer is mainly composed of the communication serial port of the monitoring industrial computer, Ethernet equipment and bus network. The main function of the serial port is to monitor 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 the distribution The safety, reliability and stability of the electrical system have achieved the goal of unattended operation.

3）現場(chǎng)設備層 Field Device Layer

現場(chǎng)設備層是數據采集終端，主要由智能儀表組成，智能儀表通過(guò)屏蔽雙絞線(xiàn)RS485接口，采用MODBUS通訊協(xié)議總線(xiàn)型連接接入通訊服務(wù)器，經(jīng)通訊服務(wù)器到達該配電間監控主機進(jìn)行組網(wǎng)，實(shí)現遠程控制。

The field device layer is the data acquisition terminal, which is mainly composed of 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 for networking. Realize remote control.

4) 智能儀表現場(chǎng)連接示意Smart Instrument Connection Diagram

現場(chǎng)儀表以手拉手方式通過(guò)屏蔽雙絞線(xiàn)(RVSP2*1.0)進(jìn)行通訊連接，每根總線(xiàn)連接智能儀表數量在20只左右，不同種類(lèi)的智能裝置連接在不同的總線(xiàn)上，然后將數據上傳至串口服務(wù)器，進(jìn)而將數據上傳至當地監控終端。具體連接示意圖如下所示：

Field instruments are connected hand in hand through shielded twisted pair (RVSP2*1.0). The number of smart instruments connected to each bus is about 20. Different types of smart devices are connected to different buses, and then the data is uploaded to the serial port. The server then uploads the data to the local monitoring terminal. The specific connection diagram is as follows:

3 系統功能 System Functions

現場(chǎng)實(shí)時(shí)監控系統圖為主監控畫(huà)面，主要實(shí)時(shí)監測變電所所有回路的運行狀態(tài)，紅色代表合閘，綠色代表分閘。在系統圖中可以直觀(guān)的看到每路進(jìn)線(xiàn)和出線(xiàn)的運行參數和狀態(tài)，可以看到變壓器出線(xiàn)側的所有常規電力參數，如：三相電壓、電流、有功功率、無(wú)功功率、功率因數、頻率、有功電度等。如下圖所示：

The on-site 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. Red represents closing and green represents opening. In the system diagram, you can intuitively see the operating parameters and status of each incoming and outgoing line, and you can see all the conventional power parameters on the outgoing side of the transformer, such as: three-phase voltage, current, active power, reactive power, and power factor , Frequency, active power, etc. As shown below:

系統一次圖 System diagram

遙信和遙測報警功能，主要完成對低壓各出線(xiàn)回路的開(kāi)關(guān)運行狀態(tài)和負載進(jìn)線(xiàn)監控，對開(kāi)關(guān)變位和負載越限彈出報警界面指示具體的報警位置并聲音報警，提醒值班人員及時(shí)處理。負載越限值在相應權限下可自由設置。具備歷史查詢(xún)功能。

The remote signaling and remote measurement alarm function mainly completes 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. With historical query function.

事件告警記錄功能，主要完成對查詢(xún)時(shí)間段內出現的報警信息事件記錄以及發(fā)生時(shí)間，為值班人員提供依據并且分析事故發(fā)生的原因。

The event alarm recording function mainly completes the recording 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.

參數抄表功能，主要對低壓各出線(xiàn)回路的電參數進(jìn)線(xiàn)查詢(xún)。支持任意時(shí)刻電參數查詢(xún)，具備數據導出和報表打印等功能。該報表查詢(xún)一科大廈樓層配電箱進(jìn)出線(xiàn)各低壓回路的電參數，主要包括：三相電流、有功功率和有功電度。該報表各回路名稱(chēng)和數據庫關(guān)聯(lián)，方便用戶(hù)修改回路名稱(chēng)。如下圖所示

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 the low-voltage circuits of the incoming and outgoing lines of the distribution box on the floor of the Yike Building, 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. As shown below

電參數抄表Electric parameter reading

用電量報表功能，可選擇時(shí)間段進(jìn)行查詢(xún)，支持任意時(shí)間段電度累計查詢(xún)，具備數據導出和報表打印等功能。為值班人員提供了準確可靠的電能報表。該報表各回路名稱(chēng)和數據庫關(guān)聯(lián)，方便用戶(hù)修改回路名稱(chēng)。如下圖所示，顯示辦公樓實(shí)驗樓配電回路的準確用電量，用戶(hù)可以直接打印報表，可以以EXCEL格式另存到其他位置。 如下圖所示：

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 accurate and 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, it shows the accurate power consumption of the power distribution circuit in the laboratory building of the office building. Users can directly print the report and save it to other locations in EXCEL format. As shown below:

電能報表Energy report

系統通訊結構示意圖，主要顯示系統的組網(wǎng)結構，系統采用分層分布式結構，同時(shí)監測間隔層設備的通信狀態(tài)。紅色表示通訊正常，綠色表示通訊故障。下圖為變電所通訊狀態(tài)示意圖。

A schematic diagram of the system communication structure, which mainly shows the network structure of the system. The system adopts a hierarchical distributed structure and monitors the communication status of the bay layer equipment. Red indicates that the communication is normal, and green indicates that the communication is faulty. The figure below is a schematic diagram of the communication status of the substation.

通訊結構示意圖 Communication structure diagram 

負荷趨勢曲線(xiàn)界面中可直觀(guān)的查看回路的負荷運行情況。查看實(shí)時(shí)和歷史趨勢曲線(xiàn)，點(diǎn)擊畫(huà)面相應按鈕或菜單項可以完成相應功能的切換；幫助用戶(hù)進(jìn)線(xiàn)趨勢分析和故障追憶，具備曲線(xiàn)打印功能。為分析整個(gè)系統的運行狀況提供了直觀(guān)而方便的軟件支持。

In the load trend curve interface, the load operation of the loop can be viewed intuitively. View real-time and historical trend curves, click the corresponding button or menu item on the screen to complete the switch of the corresponding function; help users to enter the line trend analysis and fault recall, with the curve printing function. Provides intuitive and convenient software support for analyzing the operating status of the entire system.

4 結束語(yǔ) Summary

在當今配電設施的應用中，配電安全性至關(guān)重要，本文介紹的Acrel-3000電能管理系統在商業(yè)廣場(chǎng)項目的應用，可以實(shí)現對供配電回路用電的實(shí)時(shí)監控，不僅能顯示回路用電狀況，還具有網(wǎng)絡(luò )通訊功能，可以與串口服務(wù)器、計算機等組成電能管理系統。系統實(shí)現對采集數據的分析、處理，實(shí)時(shí)顯示配電房?jì)雀髋潆娀芈返倪\行狀態(tài)，對負載越限具有彈出報警對話(huà)框、語(yǔ)音提示，并生成各種電能報表、分析曲線(xiàn)、圖形等，便于電能的遠程抄表以及分析、研究，該系統運行安全、可靠、穩定，為商業(yè)廣場(chǎng)項目解決用電問(wèn)題提供了安全可靠的依據，取得了較好的企業(yè)效益。

In the application of today’s power distribution facilities, power distribution safety is of the utmost importance. The application of the Acrel-3000 power management system introduced in this article in the commercial plaza project can realize real-time monitoring of the power consumption of the power supply and distribution circuit, not only can display the circuit The power consumption status also has the function of network communication, which 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 operating status of each power distribution circuit in the power distribution room, pop-up alarm dialogs, voice prompts for load overruns, and generates various energy reports, analysis curves, graphics, etc., It is convenient for remote meter reading, analysis and research of electric energy. The system is safe, reliable and stable in operation. It provides a safe and reliable basis for the commercial plaza project to solve electricity problems, and has achieved good corporate benefits.

編輯：安科瑞 孫斌

公司：江蘇安科瑞電器制造有限公司