Voltage stabilizing device for upper reservoir loop road industrial television system

The utility model relates to a voltage stabilizing device for an upper reservoir ring reservoir road industrial television system, which is particularly suitable for stabilizing power supply voltage of front-end equipment of the upper reservoir ring reservoir road industrial television system in a hydropower station or a pumped storage power station, and belongs to the field of power supply voltage stabilization. The device at least comprises an input module connected to a power supply, an output module connected to electric equipment, a rectifier, a storage battery and an inverter which are sequentially connected in parallel between the input module and the output module, and a PLC (Programmable Logic Controller) control panel for outputting control signals, and the PLC control panel is in communication connection with the electric control switch, so that the electric control switch adjusts the opening and closing states according to a control signal output by the PLC control panel. According to the device,