Dynamic characteristics analysis of distributed power generation system based on PEMFC

The mechanism model of proton exchange membrane fuel cell(PEMFC) was analyzed,based on this,the simulation tool of Simulink in Matlab was adopted to establish a model of the PEMFC power generation system with simple load.Through the simulation,the effect of the param-eters on the dynamic output performance(the fuel flow rate,efficiency and output voltage etc.) of the PEMFC stack connected with load and performance of output voltage of the DC/DC and load was analyzed.Simulation results showed a three-phase AC sine wave load voltage,which indicated that the whole PEMFC power generation system model is basically correct,and it provided a theo-retical basis and reference method to realize the real-time analysis and dynamic optimization of PEMFC connected with grid.