PURPOSE: The hybrid autonomic power supply device for driving the sensing sensor of the transmission line is effectively proceed the electric power supply to the transmission line state supervising sensor regardless of the extrinsic factor. CONSTITUTION: In order to charge the power source supplied in the first power supply unit(11) in the first storage battery(15) the first filled sphere eastern(13) is driven. In order to charge the power source supplied in the second power supply unit(12) in the second storage battery(16) the second filled sphere eastern(14) is driven.
