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SUMMARYIn this paper, the modified Euler type Moving Average Prediction (EMAP) model is proposed in order to operate a dispersed power supply system using new energy in autonomous mode. Furthermore, the EMAP model is used to operate a new type of dispersed power supply system consisting of a large-scale photovoltaic system (PV), a fuel cell (FC), and a small-scale superconducting magnetic energy storage system (SMES). This distributed power supply system can meet the multiple-quality electric power requirements of customers, and ensures voltage stability and UPS (Uninterruptible Power Supply) functions as well. Each subsystem of this distributed power supply contributes to the above-mentioned system performance with its own excellent characteristics. Moreover, the response characteristics of this system are confirmed by simulation with PSIM software, and, using collaborative operation under the EMAP model, the required capacity of SMES to compensate the fluctuation of both PV output and load demand is examined by simulation, using MAT-LAB/Simulink.

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In this paper, a home electric supply system consisting of a fuel cell (FC) and electric double layer capacitor (EDLC) is proposed. Steady load is supplied by FC and transient power component will be compensated by EDLC. The response characteristics of this system is confirmed with simulation by software PSlM. The modified Euler type Moving Average Prediction (EMAP) model is introduced to reduce the required capacity of EDLC, with the simulation by software MATLAB/Simulink.