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您的位置:首页  /  技术文章  /  安科瑞电力监控系统在阿瓦萨工业园区建设采购项目的应用

安科瑞电力监控系统在阿瓦萨工业园区建设采购项目的应用

更新时间:2023-11-06      浏览次数:589

摘要:介绍埃塞俄比亚阿瓦萨工业园区项目,采用智能电力仪表、采集配电现场的各种电参量和开关信号。系统采用现场就地组网的方式,组网后通过现场总线通讯并远传至后台,通过电力管理系统实现变电所用电的实时监控和管理。

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.

关键词:智能电力仪表;配电室;电力管理系统

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

概述Overview

阿瓦萨工业园区位于非州埃塞俄比亚。

本项目现场10KV配电室AH1~AH14柜内的微机保护、电能表等,监测其供配电系统在运行过程中的实时电参量等数据。

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.

需求分析Demand analysis

解决方案:

1)10kV/35kV变电站综合自动化系统;

2)配网开关站智能监控后台系统;

3)用电需求侧协调控制平台。

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

为保证生产管理用电负荷的统计与分析及对危险源实时监控。需要对项目现场的配电箱内进线及出线回路进行电压(U)、电流(I)、功率(P)等参数进行实时在线监控。一旦监控点被监视参数异常,能够及时检测报警,有关人员采取必要的措施,避免安全事故的发生。自动抄表功能节省了人力物力,功率趋势曲线功能能够直观的显示各回路的工作状态与时间,方便用户找出非正常用电回路并且及时进行整改,建立电能多级计量体系提供用能分析依据。

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 .

供方产品应具有高安全性与可靠性、易于扩展、便于维修与维护。供方提供的产品应至少满足本技术条件,但不仅于此,其技术性能应满足对配电箱数据监控的要求。

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  系统方案System solutions

安科瑞Acrel-2000系统根据项目现场实际情况,整体网络结构采用屏蔽双绞线直接接至数据采集器然后通过网线直接接至值班室的监控主机,保障了电力管理监控系统传输的稳定性与实时性。

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)站控管理层Station control management

站控管理层针对电力监控系统的管理人员,是人机交互的直接窗口。在此项目中主要指配电室的监控主机。

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)网络通讯层Network communication layer

 通讯层主要是由采集器、以太网设备及总线网络组成。通讯管理机主要功能是监测现场智能仪表;以太网设备及总线网络的主要功能是实现分站与主站之间的数据交互,使配电系统管理集中化、信息化、智能化,很大提高了配电系统的安全性、可靠性和稳定性,达到了无人值守的目的。

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.

本项目采用安科瑞自研通讯管理机ANet-2E8S1,提供2路10/100M以太网接口,8路光耦隔离RS485 和1路RS232(调试口),可支持256台计量设备。

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智能通信管理机提供丰富的规约库支持,实现不同二次设备供应商的智能设备互联。通讯管理机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)现场设备层Field device layer

现场设备层是数据采集终端,主要由微机保护和智能仪表组成,智能仪表通过屏蔽双绞线RS485接口,采用MODBUS通讯协议总线型连接接入通讯服务器,经通讯服务器到达该配电间监控主机进行组网,实现远程控制。

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.

本项目采用安科瑞微机线路保护测控装置AM5-F和嵌入式安装电能计量装置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  系统功能System functions

实时监控系统图为主监控画面,主要实时监测变电所所有回路的运行状态。

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. .

遥信和遥测报警功能,主要完成对低压各出线回路的开关运行状态和负载进线监控,对开关变位和负载越限弹出报警界面指示具体的报警位置并声音报警,提醒值班人员及时处理。负载越限值在相应权限

下可自由设置。       

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.

事件告警记录功能,主要完成对查询时间段内出现的报警信息事件记录以及发生时间,为值班人员提供依据并且分析事故发生的原因,如下图所示:

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:

参数抄表功能,主要对低压各出线回路的电参数进线查询。支持任意时刻电参数查询,具备数据导出和报表打印等功能。该报表查询项目配电箱进出线各低压回路的电参数,主要包括:三相电流、有功功率和有功电度。该报表各回路名称和数据库关联,方便用户修改回路名称。

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. 


用电量报表功能,可选择时间段进行查询,支持任意时间段电度累计查询,具备数据导出和报表打印等功能。为值班人员提供了确可靠的电能报表。该报表各回路名称和数据库关联,方便用户修改回路名称。如下图所示,用户可以直接打印报表,可以以EXCEL格式另存到其他位置。

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  结束语Concluding

在当今配电设施的应用中,项目的配电安全性至关重要,本文介绍的电力管理系统在阿瓦萨工业园区项目的应用,可以实现对变电所配电回路用电的实时监控,不仅能显示回路用电状况,还具有网络通讯功能,可以与通讯管理机、计算机等组成电力管理系统。

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.

系统实现对采集数据的分析、处理,实时显示配电室内各配电回路的运行状态,对负载越限具有弹出报警对话框、语音提示,并生成各种电能报表、分析

曲线、图形等,便于电能的远程抄表以及分析、研究,该系统运行安全、可靠、稳定,为项目解决用电问题提供了真实可靠的依据,取得了较好的效益。

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.


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