Transformer monitoring system

The utility model discloses a transformer monitoring system which comprises a data summarization unit, a transformer neutral point current monitoring module, a transformer noise monitoring module, a transformer vibration monitoring module, a transformer iron core grounding current monitoring module and a transformer high-frequency current monitoring module. And the data summarization unit communicates with each monitoring module through a wired RS485 or wireless Lora communication mode, and provides a synchronous measurement signal for each monitoring module through a hardware pulse signal wireless synchronization instruction, so as to ensure that each monitoring module can start the measurement work at the same time. According to the utility model, a wireless monitoring mode, a wireless passive monitoring module, a wireless Lora communication mode, a battery-powered monitoring module, no need of a power cable and an ultra-low power consumption working mode are provided for the field where signal cables are n