Neutral line break fault identification for low-voltage power supply lines based on adaptive inspection

Aiming at the problem of low efficiency of traditional broken line fault detection methods, this paper proposes a neutral line break identification method for low-voltage power supply lines based on adaptive inspection. According to the neutral line current criterion, adaptive inspection strategy, measured data update scheme, load impedance measurement technology, and the broken line fault detection criterion that takes into account manual experience threshold and adaptive inspection data, the neutral line break fault is accurately identified. Simulation results show that the method can effectively detect the neutral line break fault, and has high reliability and engineering adaptability. Compared with the traditional method, the proposed method reduces the hardware equipment requirements, facilitates engineering implementation, and provides a new solution for the safe and stable operation of the low-voltage power supply system.