| 摘要 |
In a water electrolyzing system of a solar-power-generating type, a low power generated by a photovoltaic generator and not reaching a level required for the operation of a water electrolyzer is utilized effectively. A water electrolyzing system includes a water electrolyzer, a first photovoltaic generator which is a power source of the water electrolyzer, and at least one electric device, for example, an accumulating device and a heater for raising the temperature of water to be electrolyzed. When a power generated by the first photovoltaic generator is lower than a level required for the operation of the water electrolyzer, if the temperature of the water to be electrolyzed is lower than 80°, the generated power is supplied to the temperature-raising heater, or if T>=80°, the generated power is supplied to the accumulating device and accumulated therein.
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