System Dynamics Analysis of Interaction Behaviors and Pricing Mechanisms in Grid-Hydrogen-Vehicle System

As hydrogen energy increasingly permeates the power system, complex relationships emerge among the power grid, hydrogen energy storage (HES), and hydrogen vehicle (HV). These relationships are influenced by numerous factors, necessitating a systematic analysis. This study utilizes system dynamics (SD) to investigate the grid-hydrogen-vehicle interaction process. A causal loop diagram for the grid-hydrogenvehicle interaction process is constructed, the flow relationships between internal factors within the power grid and hydrogen modules are refined, and an exploration of how price changes affect the interaction process is conducted. Case study analysis demonstrates that the SD model can simulate the dynamic evolution of grid-hydrogen-vehicle interaction. By guiding interaction behaviors through price adjustments, the model can increase benefits for all parties involved, thereby providing an effective method for establishing practical pricing adjustment mechanisms.