Design and Research of Overhead Line Fault Monitoring System for Medium Voltage Distribution Network Based on LoRa and NB-IoT

Abstract

Based on the analysis of the characteristics of LoRa and NB-IoT technology, a data transmission scheme of hybrid 10KV overhead line fault monitoring system based on LoRa and NB-IoT is proposed to solve the problems caused by GPRS in long-distance data transmission of existing overhead line fault monitoring system of medium-voltage distribution network. This paper introduces its network frame structure, designs corresponding hardware terminal equipment and software program, and finally tests and analyzes the system. The experimental results show that the scheme has the characteristics of long communication distance, low power consumption, flexible networking and high reliability, and has a wide application prospect.