This invention relates to a rail-mounted
energy storage charging
system and its power supply method, belonging to the field of
new energy vehicle charging technology. The power supply method includes: S1: acquiring the current date, real-time
electricity price, grid load factor, and preset holiday data; S2: matching the preset holiday data with the current date to distinguish the date type, which is weekday, rest day, or holiday; S3: combining the date type, real-time
electricity price, and grid load factor to determine whether the
current time period is a valley period, a flat period, or a peak period; S4: during the valley period, controlling the power supply module to charge the
energy storage module; S5: during the peak period, controlling the
energy storage module to
discharge to the mobile charging terminal; S6: when the energy storage module's power is lower than a preset threshold, switching to grid
discharge to the mobile charging terminal while maintaining continuous power supply to the mobile charging terminal. By using date,
electricity price, and load factor for triple determination, peak and valley periods are accurately distinguished, achieving energy storage during valley periods and energy release during peak periods, significantly reducing operating costs.