Transient ground voltage + ultrasonic partial discharge sensor is composed of communication module, main processor and sensor. The communication module is responsible for data communication with the aggregation node, and the main processor controls the sending and receiving of data through the serial port protocol. The sensor is responsible for collecting PD data, and the main processor processes, analyzes and sends the collected data.
Serial number | Parameter name | Standard parameter values |
1 | Working power | Lithium battery |
2 | Letter of agreement | Adopt LoRa-based 470MHz frequency band wireless communication, in line with Q/GDW12020 requirements |
3 | Protection class | Not lower than IP40 |
4 | TEV detection band | 10MHz-50MHz |
5 | TEV accuracy | ±1dB |
6 | Ultrasonic detection frequency band | 38kHz-42kHz |
7 | Ultrasonic accuracy | ±1dB |
8 | Use period | ≥5 years |
9 | Installation method | Magnetic adsorption |
10 | Wireless transmission distance | more than 50 meters |
11 | Data upload cycle | The factory configuration is 1 time/1 minute, and the reporting period can be configured online. |
12 | Size | 140mm(L)*85mm(W)*32.5mm(H) |