With the expansion of the power grid scale, there are contradictory between the increasing speed of operation and maintenance personnel and the expansion of operation and maintenance scope. Once the operating environment changes, it is easy to bring on safety accidents. In order to solve those wire communication unreachable problem, this paper considers to develop a wireless environment monitoring system based on Lora spread spectrum technology, the system includes Lora terminal nodes, gateway nodes and the PC display system. In the system, the operating environment real-time measurement of the equipment is carried out to realize automatic alarm and improve power supply reliability of the power grid.
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