Experimental study for wind power - hydrogen energy system with energy capacitor system

The most serious defects of a wind turbine system are instability of the output and power transmission problem. This report aims at a stand-alone wind turbine system with a hydrogen generator (wind power - hydrogen energy system). In comparison with electric, hydrogen is suitable for energy storage and transport. So this system improves fluctuating output power of the wind turbine generator and the energy transmission problem occurred by converting electric to hydrogen. Firstly, the I-V characteristic of a small-scale wind turbine generator was analyzed to investigate how the wind turbine generator operates under the influence of connecting with the hydrogen generator directly. As a result, it has been turned out that the system was not matching at all. Therefore, it is necessity to install controlling devices between the wind turbine generator and the hydrogen generator. Based on the result, we considered that the energy capacitor system (ECaSS) would have good performance in wind power - hydrogen energy system. Then, we assembled the wind power-hydrogen energy system with ECaSS actually, and evaluated the utility.