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技术文章 / article 您的位置:网站首页 > 技术文章 > 安科瑞无线测温产品在埃及某房建配电项目中的应用

安科瑞无线测温产品在埃及某房建配电项目中的应用

发布时间: 2023-01-03  点击次数: 140次

安科瑞 于洋

Application of Acrel Wireless Temperature Measuring Product in Power Distribution Project of Building Construction in Egypt

1.电气接点测温的必要性

电力系统的一次系统一般由供电线路(包括架空线路和电缆)、变压器、母线、开关柜等电气设备组成。其相互之间存在大量的电气连接点,由于电流流过产生热量,所以几乎所有的电气故障都会导致故障点温度的变化。例如架空线路搭接点、电缆接头、电缆中间连接处、电缆敷设弯折处、高压电缆的局部放电、高压开关柜的动静触头及其他连接处、低压电气连接处等位置过热是大型事故的征兆,也是事故多发的重灾区。

Necessity of temperature measurement at electrical contacts

The primary system of a power system is generally composed of power supply lines(including overhead lines and cables), transformers, busbars, switchgear and other electrical equipment. There are a large number of electrical connection points between them, and almost all electrical faults will cause the temperature change of the fault point due to the current flowing through it and generating heat. For example, overheating is a sign of large accidents and a major disaster area, such as overhead line connection, cable joint, cable middle connection, cable laying bend, partial discharge of high-voltage cable, dynamic and static contact of high-voltage switch cabinet and other connections, and low-voltage electrical connection.

2.当前现状

多年来,由于技术水平的限制,虽然曾利用红外测温仪、红外成像仪、感温电缆、传统的点式测温系统希望解决上述问题,但都无法实现开关柜内如断路器、刀闸联接点和触头测温。目前,国内电力测温主要应用红外点测仪和光纤测温仪,而在线方式由于无法解决高压绝缘问题,所以高压开关的触点等空间有限的电气设备基本上都是处于无监控的状态下运行,存在重大安全隐患。

Current Status

For many years, due to the limitations of the technical level, although infrared thermometer, infrared imager, temperature sensing cable, traditional point-type temperature measurement system have been used to solve the above problems, but can not achieve the switch cabinet such as circuit breaker, the connection point and contact temperature measurement. At present, domestic electric temperature measurement mainly uses infrared point measuring instrument and optical fiber temperature measuring instrument. However, the on-line method cannot solve the problem of high-voltage insulation, so the electrical equipment with limited space, such as the contact of high-voltage switch, basically operates in a completely unmonitored state, with major safety hazards.

3.项目背景信息 Project background information

国内一家专业提供工业+AI 解决方案的公司,从埃及当地一家成套厂了解到,他们有个房建项目,配电间开关柜需要安装无线测温产品。该公司从网上找到了安科瑞,目前先做一套演示柜,测量柜内电气节点温度,由于没有启动电流,选择我司带电池无线测温传感器ATE200二代,搭配接收器ATC450-C,并且在柜子上做一个本地显示。

Project background information

A domestic company specializing in industrial and AI solutions learned from a electrical complete plant in Egypt that they had a building construction project recently. The switchgear in the distribution room needs to be installed with wireless temperature measurement products. The company has found Acrel from the Internet. At present, they first need to make a set of demonstration cabinet to measure the temperature of the electric contact in the cabinet. Since there is no starting current, we will choose the second generation of wireless temperature sensor battery powered ATE200, with receiver ATC450-C, and make a local display on the cabinet.   

4.无线测温产品的优点

    近年来,无线测温产品开始出现。内置电池和无线发射模块的测温传感器安装于各测温点,由于体积小,且无需任何接线,其电气安全性得到保证。传感器周期性的将测温数据无线发送至接收单元,接收单元发送数据至接收单元。

    对配电间内电气设备的温度检测,采用集中接收和显示的方案,大量减少工程安装工作量,缩短安装时间,使得重要变电站的测温改造得以方便实现,对于新站的建设也具有同样的优势。

    无线测温产品满足了变电站开关柜节点的实时测温的需求,在减少投资,减少工程安装量,减少维护人工和费用方面优势明显。实施本项目,能够合理提升供电系统的安全可靠运行水平,减少停电故障,对于保证正常生产、减少事故造成的损失具有重大意义。

Advantages of wireless temperature measurement products

In recent years, wireless temperature measurement products began to appear. The temperature sensor with built-in battery and wireless transmitter module is installed at each temperature measuring point. Due to its small size and no wiring, its electrical safety is guaranteed. The sensor periodically sends the temperature data wirelessly to the receiving unit, which sends the data to the receiving unit.

For the temperature detection of electrical equipment in the distribution room, the scheme of centralized reception and display is adopted, which greatly reduces the engineering installation workload and shortens the installation time, making it convenient to realize the temperature measurement transformation of important substation, and also has the same advantage for the construction of new stations.

Wireless temperature measurement products meet the demand of real-time temperature measurement at switch cabinet contacts in the distribution room, and have obvious advantages in reducing investment, engineering installation, maintenance labor and cost. The implementation of this project can effectively improve the safe and reliable operation level of the power supply system and reduce power failure, which is of great significance to ensure the normal production and reduce the loss caused by accidents.

5.本展示柜用到的产品 Products used in this display cabinet

(1)电池供电型无线温度传感器

Battery-powered wireless temperature sensor

安装于发热部位,采集温度量并通过无线方式传输的传感器。

  Sensor installed in a heating area that collects temperature and transmits it wirelessly.

image.png


 (2)接收单元Receiving unit

image.png

(3)显示单元Displaying unit

image.png

6.典型应用Typical Application

image.png

参考文献 Bibliography

1、Solutions for enterprise micro-grid system


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