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首页 > 技术文章 > 安科瑞无线测温产品在香港某商业建筑配电项目中的应用

安科瑞无线测温产品在香港某商业建筑配电项目中的应用

点击次数:89发布时间:2022-01-21

1.背景信息 Background:

随着电力工业的发展,对设备的可靠性要求越来越高。以往人工巡视设备的方法已逐渐弱化,在这种条件下,高压设备的无线测温系统应运而生。这种技术是将内置电池和无线发射模块的测温传感器安装于各测温点,由于其体积小,且无需任何接线,其电气质量可以得到保证。传感器周期性的将测温数据无线发送至接收单元,接收单元可联网将数据送至主站,以此实现一个区域系统的电气温度监测。
目前我国许多地方的电网公司、变电站、钢铁公司等都已在高压设备上采用这种无线测温监测技术。
电气接点在线测温装置适用于高低压开关柜内电缆接头、断路器触头、刀闸开关、高压电缆中间头、干式变压器、低压大电流等设备的温度监测,防止在运行过程中因氧化、松动、灰尘等因素造成接点接触电阻过大而发热成为隐患,提高设备质量保障,及时、持续、准确反映设备运行状态,降低设备事故率。


With the development of power industry, the safety and reliability of equipment are highly demanding. In the past, the method of manual inspection equipment has been gradually weakened, under this condition, the wireless temperature measurement system of high voltage equipment came into being. This technology is to install the temperature sensor with built-in battery and wireless transmitting module at each temperature measuring point. Because of its small size and no connection, its electrical safety can be guaranteed. The sensor periodically sends the temperature measurement data wirelessly to the receiver, and it can send the data to the main station on a network, so as to realize the electrical temperature monitoring of a regional system.
Currently, many power grid companies, substations and steel companies in China have adopted this wireless temperature monitoring technology on high voltage equipment. 
The electric terminal on-line temperature measuring device is using for the temperature monitoring of cable connector, circuit breaker contact, knife switch, high voltage cable intermediate head, dry transformer, low voltage high current and other equipment in high and low voltage switch gear.To prevent excessive contact resistance caused by oxidation, loosening, dust and other factors during operation, heating becomes a hidden danger of safety, to improve the safety and security of equipment, to reflect the running state of equipment in time, continuously and accurately, and to reduce the accident rate of equipment.

 

2.项目信息 Project Brief:
香港UNS公司是一家智能用电服务公司,为各类商用型建筑提供智慧能源, 及配电维护服务。该项目有多面11kV的开关柜需要检测线缆温度,客户咨询安科瑞无线测温产品,希望通过安科瑞ATE无线温度传感器和ATC接收器,对开关柜内的线缆进行温度检测,并通过RS485通讯将数据传输到后台进行实时监控,从而可以有效预防开关柜内部过热发生故障,影响设备正常运转,避免隐患。

 

Hong Kong UNS is an smart power service company, providing intelligent energy solutions and distribution maintenance services for all kinds of commercial buildings. The project has 11kV of switchgear need to detect cable temperature, customers consult  Acrel wireless temperature measurement products, attending through Acrel ATE wireless temperature sensor and ATC receiver, the cable in the switchgear temperature detection, And through RS485 communication data transmission to the back platform for real-time monitoring, can effectively prevent overheating failure, affect the normal operation of equipment, avoid safety risks.

 

3 .测温元件Temperature measuring instrument 
1)温度传感器Temperature sensor
a. 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。
 目前无线温度传感器有四款:
a. sensor installed in a heating area that collects temperature and transmits it wirelessly.
 There are currently four type wireless temperature sensors:

 
b. CT感应取电无线温度传感器CT induction radio wireless temperature sensor
 安装于断路器触头、母排、电缆搭接点等大电流处,采集温度量并通过无线方式传输的传感器。
 目前无线温度传感器有两款:
b. sensor installed at a high current such as a circuit breaker contact, a bus bar, a cable lap contact, to collect temperature and transmit it wirelessly.
 There are currently two wireless temperature sensors:

c.有线温度传感器 wired Temperature Sensor
 安装于低压柜接点或变压器绕组、电机绕组的测温,采集温度量并通过有线方式传输的传感器。
 目前有线测温传感器是Pt100:
 Sensor installed in the contact of a high voltage cabinet, a transformer, or a motor winding to measure temperature, collect temperature and transmit it by wire.
 Pt100 is wired temperature sensor at moment 

 
2)接收/显示单元Receiving /displaying unit 
a. 接收单元Receiving unit

b. 显示单元Displaying Unit

4 推荐客户方案Recommended Customer solutions
a.配置方案:高低压柜内电气接点无线测温(不需要就地显示)
a. Configuration solution: High and low voltage cabinet electrical contact wireless temperature measurement (without local display)
a.1 集中式centralization(ATC450-C)

说明:ATC450-C无线温度收发器可连接60路无线温度传感器ATE100/100M/200/400/100P/200P,可接收多台柜内的无线温度传感器温度信号。
Instruction: ATC450-C wireless temperature transceiver can connect 60 wireless temperature sensors include ATE100/100M/200/400/100P/200P, support receive wireless temperature sensor temperature signals in multiple cabinets.
 
a.2 集中式(ATC600)

 
说明:ATC600无线温度收发器可连接240路无线温度传感器ATE100/100M/200/400/100P/200P,可接收多台柜内的无线温度传感器温度信号,且具有透传功能。
Instruction: ATC600 wireless temperature transceiver support connect 240 wireless temperature sensors include ATE100/100M/200/400/100P/200P, support receive wireless temperature sensor temperature signals in multiple cabinet with transparent transmission function.
 
b. 安装实例Installation sample
ATC450-C                     ATE200                               ATE400


编辑:安科瑞 孙斌

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