Real-time data acquisition and fault locating system of power distribution network

The utility model provides a real-time data acquisition and fault locating system of a power distribution network. The real-time data acquisition and fault locating system of the power distribution network comprises transformer station voltage acquisition units, a plurality of line units, a real-time data server, a background monitoring computer and a hand-held terminal, wherein each transformer station is provided with one transformer station voltage acquisition unit, the transformer station voltage acquisition unit comprises one intelligent voltage detection terminal, each line unit comprises three fault locating and data acquisition sensors and one communication and calculating terminal, the intelligent voltage detection terminal, the communication and calculating terminal and the hand-held terminal are in wireless communication with the real-time data server, and the three fault locating and data acquisition sensors and the communication and calculating terminal are in short-distance wireless communication in the same line unit. The real-time data acquisition and fault locating system has high precision of real-time acquired power transmission line information, rapidly and accurately determines short circuit and earth faults, shortens power-off overhaul time, reduces fault line patrol personnel and saves material resources.