Microgrid-based charge and energy-storage integrated energy management system and method

The invention discloses a microgrid-based charge and energy-storage integrated energy management system, which comprises a distributed generation unit, a charge unit, an energy storage unit, an area power supply unit and an energy management system, wherein output ends of the distribution generation unit and the area power supply unit are electrically connected with input ends of the energy storage unit and the charge unit through alternating current buses respectively; meanwhile, the output end of the distribution generation unit is electrically connected with the output end of the area power supply unit through the alternating current bus; the energy management system comprises a distributed monitoring unit, a battery management system (BMS) unit, an electrical load monitoring unit, a charge monitoring unit, a metering and billing unit, an environment monitoring unit, a master monitoring unit and an operation interface unit; the distributed monitoring unit is electrically connected with the distributed generation unit; the BMS unit is electrically connected with the energy storage unit; the electrical load monitoring unit is electrically connected with the area power supply unit; the charge monitoring unit is electrically connected with the charge unit; the metering and billing unit is electrically connected with the charge unit; and the environment monitoring unit is arranged in the distributed generation unit.