Abstract:With the development power industry,the requirements for the safety and reliability of equipment are getting higher and higher. In this situation, ACREL wireless temperature monitoring system is designed for high voltage device. This technology is to install the temperature sensor with built-in battery or temperature sensor by current sensing and wireless transmitter module at each temperature measurement point.
The sensor periodically sends the temperature measurement data wireless to the receiving unit, and the receiving unit can be connected to the network to send the data to the master station, thereby realizing electrical temperature monitoring of a regional system.
Keywords: Wireless temperature sensor; wireless temperature monitoring system; 470Mhz wireless temperature sensor.
01 Project overview
Chauvin is located in ANTONY Cedex，France. The project is mainly used in substation in the substation in South Africa. The related products models are 2 PCS ATC450-C, dozens of wireless temperature sensors including model ATE400 and ATE100.
02 Product Introduction
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.
Wireless Temperature Monitoring System is suitable for 3-35kV indoor switchgears, including built-in switchgears, handcart switchgears, fixed switchgears and loop-net switchgears. It is also suitable for 0.4kV low-voltage switchgears such as fixed switchgears and drawer switchgears.
03 Wireless temperature monitoring configuration scheme
1.Wireless temperature monitoring of contacts in high and low voltage cabinets
2.Wireless temperature monitoring with operation and display function for contacts in high-voltage cabinets (single cabinet local display)
3.Wireless temperature monitoring of contacts in high and low voltage cabinets (no local display )
4.Wireless temperature monitoring of contacts in high and low voltage cabinets（Centralized local display）
5.Local wall-mounted centralized display solution
04 Introduction of wireless temperature measuring product
1.Wireless temperature sensor
①Wireless temperature sensor by CT sensing
1) 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℃.
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℃.
2) ATE100
Wireless transmit;
Wireless transmission distance, 150m;
Fase sampling frequency, 25s;
Battery -powered,more than 5 years;
Widely temperature measuring range, -40℃~125℃.
3) ATE100M
Wireless transmit;
Wireless transmission distance, 150m;
Fase sampling frequency, 25s;
Battery -powered, more than 5 years;
Widely temperature measuring range, -40℃~125℃.
2.Wireless transceiver/Display Unit
①Receiver
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
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.
05 On site photos
