Online power distribution network fault wave recording device based on wireless three-phase synchronous technology

The utility model discloses an online power distribution network fault wave recording device based on wireless three-phase synchronous technology, which comprises a signal acquisition module, a signal conditioning module, a micro controller, a wireless communication module, a memory and a power supply module, wherein the power supply module is connected with the power supply end of the micro controller; the signal acquisition module acquires transient current and voltage of a three-phase conductive cable in the power distribution network, the transient current and voltage are converted to current and voltage standard level signals applied to the micro controller through the signal conditioning module, the current and voltage standard level signals are then inputted to the micro controller, the micro controller acquires the real-time receiving time of the current and voltage standard level signals from the remote terminal through the wireless communication module, the current and voltage standard level signals received continuously form current waveform and voltage waveform data synchronous with the three-phase conductive cable in the real-time receiving time sequence, the data are stored in the memory and can serve as fault detection basis, and accuracy of fault detection is facilitated.