无线测温产品在新加坡低压电气柜的应用

时间：2021-12-20

摘要：温度是表征电力一次设备运行正常的一个重要参数。随着用电量的急剧增长，为了满足用电需求，变电站的开关柜等高低压设备长期运行在线状态，过负荷运行会导致一次设备的发热及过热，这一现象在负荷增长较快的地区显得尤为普遍。这些情况如不及时得到监控，及时处理，都将发生不可预测的大事故。通过对开关柜温度的实时监测，即可知道开关柜运行工况，通过电网信息资源整合，就可为状态检修提供强有力的依据因此，进行安全温度监测及智能化控制是非常有必要的。

Abstract: Temperature is an important parameter that characterizes the normal operation of electric primary equipment. With the rapid increase in power consumption, in order to meet the demand for electricity, high and low voltage equipment such as switch cabinets in substations are operating online for a long time. Overload operation will cause heating and overheating of primary equipment. This phenomenon is especially true in areas with fast load growth. universal. If these situations are not monitored and dealt with in time, unpredictable accidents will occur. Through real-time monitoring of the temperature of the switchgear, the operating conditions of the switchgear can be known, and the integration of power grid information resources can provide a strong basis for condition maintenance. Therefore, safe temperature monitoring and intelligent control are very necessary.

关键字：无线测温传感器，无线测温系统，433Mhz无线测温

Keywords: Wireless temperature sensor, wireless temperature monitoring system, 433Mhz wireless temperature sensor

1. 项目概述 Project Overview

某新加坡客户为中低压电气柜成套公司，对无线测温产品非常感兴趣，选择我司ATE400型CT感应取电式传感器，并且采用ATC450收发器来连接显示屏，后期计划通过4G网关上传云平台系统。监控过热故障，避免安全隐患。

A Singapore customer is a complete company for low- and medium-voltage electrical cabinets and is very interested in wireless temperature measurement products. He chose our company's ATE400 CT induction power sensor, and used ATC450 transceivers to connect to the touchscreen. In the future, it plans to upload to the cloud platform through the 4G gateway. system. Effectively monitor overheating faults to avoid potential safety hazards.

2.无线测温产品介绍Introduction of Wireless Temperature Measurement Product

安科瑞在线测温装置适用于高低压开关内线缆街头，断路器触头，高压线缆中间头，低压大电流等设备的温度检测，防止在运行过程中因氧化，松动等因素造成接点接触电阻过大而发热成为安全隐患，及时，持续及准确反映设备运行状态，提供设备安全性。

Acrel on-line temperature measurement device is suitable for the temperature detection of high and low voltage switches, circuit breaker contacts, high voltage cable middle heads, low voltage and high current equipment, to prevent contact caused by oxidation, loosening and other factors during operation Excessive contact resistance and heat generation become a safety hazard, timely, continuous and accurate reflection of equipment operating status, and equipment safety.

3.无线测温系统特点 Features of Wireless Temperature Monitoring System

（1）无线测温模块安全可靠、安装维护简单，适合对中开关高电压、大电流接点处进行温度监测，被测设备的结构不需要变动。

（2）整个无线测温系统可以通过无线方式通讯，信号传输方便。

（3）无线测温系统抗干扰能力强，对脉冲干扰、瞬变干扰、静电辐射、电磁场辐射等的抗干扰能力达到国家四级标准，同时设备运行不影响中压开关的分、合闸操作以及保护装置的动作。

（4）应用在工业（煤矿、钢铁、石油、化工）、电厂、学校、医院、**建设、交通设施（机场、火车站）、商业建筑、会展中心、光伏发电、新能源等领域。

(1) The wireless temperature measurement module is safe and reliable, and easy to install and maintain. It is suitable for temperature monitoring at the high voltage and high current contacts of the middle switch. The structure of the device under test does not need to be changed.

(2) The entire wireless temperature measurement system can communicate wirelessly, and the ** transmission is convenient.

(3) The wireless temperature measurement system has strong anti-interference ability, and its anti-interference ability against pulse interference, fast transient interference, electrostatic radiation, electromagnetic field radiation, etc. has reached the national four-level standard, and the operation of the equipment does not affect the opening and closing of the medium voltage switch Operation and protection device actions.

(4) Application in industry (coal, steel, petroleum, chemical), power plants, schools, hospitals, municipal construction, transportation facilities (airports, railway stations), commercial buildings, convention and exhibition centers, photovoltaic power generation, new energy and other fields.

4.无线测温解决方案 Wireless Temperature Monitoring Solution

4.1 测温传感器 Wireless temperature sensor

4.1.1 CT感应取电无线测温传感器 Wireless temperature sensor by CT sensing

ATE400

·Small size;

·Wireless transmit;

·Wireless transmission distance, 150 meters;

·Fase sampling frequency,15s;

·CT-powered, more than 5A starting current;

·Widely temperature measuring range, -40℃~125℃.

4.1.2电池供电型无线测温传感器 Wireless temperature sensor powered by battery

1) ATE200

·Wireless transmit;

·Wireless transmission distance, 150m;

·Fase sampling frequency, 25s;

·Battery -powered, more than 5 years;

·Widely temperature measuring range, -40℃~125℃.

ATE100

·Wireless transmit;

·Wireless transmission distance, 150m;

·Fase sampling frequency, 25s;

·Battery -powered, more than 5 years;

·Widely temperature measuring range, -40℃~125℃.

ATE100M

·Wireless transmit;

·Wireless transmission distance, 150m;

·Fase sampling frequency, 25s;

·Battery -powered, more than 5 years;

·Widely temperature measuring range, -40℃~125℃.

4.2 采集/显示终端 Receiver/Display Unit

4.2.1 接收单元 Receiver

1)ATC600-C

·Wireless transceiver;

·Maximum measuring 240 points;

·1 RS485 serial communication, Modbus-RTU;

·2 alarm relays;

·Power supply adapt with AC/DC220V, AC/DC110V.

2)ATC450-C

·Wireless transceiver;

·Maximum measuring 60 points;

·1 RS485 serial communication, Modbus-RTU;

·Power supply adapt with DC24V

4.2.2 显示单元 Display Unit

1) ARTM-Pn

·Wireless temperature measurement, maximum measuring 60 points;

·U, I, P, Q, f, Ep, Eq measurement；

·4 digital inputs;

·2 alarm relays;

·LCD display;

·Power supply adapt with AC220V, DC220V, DC110V, AC110V;

·1 RS485 serial communication, Modbus-RTU.

5.结构图 Typical Connection

6.应用场景 Application

参考文献Bibliography

1.Solutions For Enterprise Micro-grid System 2020.02

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