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Application of wireless temperature measurement products in a power distribution project in Malaysia

发布时间: 2022-01-08  点击次数: 103次
Abstract: The power distribution system is a power network system that is composed of a variety of power distribution equipment and power distribution facilities to transform voltage and directly distribute electrical energy to end users. As a part of the power system, the power distribution system directly faces end users, and its perfection directly affects the reliability and quality of power consumption of the majority of users, so it has an important position in the power system. Therefore, in order to avoid serious accidents such as equipment aging, equipment burnout, power supply interruption, fire and explosion of equipment due to high temperature, long-term temperature monitoring of each electrical node can avoid serious failures that may cause personal injury and economic loss to users.
 
Keywords: Wireless temperature sensor, wireless temperature monitoring system, 433Mhz wireless temperature sensor
 
1. Project Overview
    This project is an application in a distribution room in Malaysia. It is used in a 33kV switchboard and needs to be equipped with wireless temperature measurement products to achieve safe temperature monitoring. The size of the copper bar is 10mm×130mm. Choose our ATE400 CT powered temperature sensor, and use ATC450 transceiver to connect to the display device. The RS485 communication data is transmitted to the customer platform for real-time monitoring, which can effectively prevent overheating failures, affecting the normal operation of the equipment, and avoiding potential safety hazards. For the sake of safety and economic benefits, it is recommended to conduct real-time temperature monitoring at each electrical node in the power distribution room.

2.Introduction of Wireless Temperature Measurement Product
    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.Features of Wireless Temperature Monitoring System
(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 signal 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. Wireless Temperature Monitoring Solution
4.1 Wireless temperature sensor
4.1.1 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 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  Receiver/Display Unit
4.2.1 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 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.Typical Connection
 
 
 
 
6.Application
 
7. Photos on Site
 
 
 
Bibliography
1.Solutions For Enterprise Micro-grid System 2020.02


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