Jiangsu Acrel Electrical Manufacturing CO.,LTD
Jiangsu Acrel Electrical Manufacturing CO.,LTD
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Mr. Tim
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wireless temperature products in swtichgear of Singapore

Mr. Tim December 6, 2021
1. Project Overview
     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.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℃.

4.1.2Wireless 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
 
4.2.2Display 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

Bibliography
1.Solutions For Enterprise Micro-grid System 2020.02
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