User-on-demand Renewable Energy Supply System Using Modified DC-bus Signaling

Electric power converted from renewable energy is a common way to use. However, the useron-demand supply of electric power cannot be guaranteed because renewable energy sources fluctuate depending on the natural conditions. To solve this problem, an energy system is required to control the power supply in response to the power demand. For this purpose, not only a relatively large amount of energy is stored, but also a rapid response to power fluctuation is necessary. The control method is usually complicated because the system requires multiple storage devices to satisfy the purpose. We proposed a relatively simple method to control the energy system. In this study, the control method, that is, the modified DC-bus signaling energy supply system with hydrogen storage, is discussed. Keywords: Energy supply system, Hydrogen storage, User-on-demand, Stand-alone, Renewable energy.