Distributed wind-solar-diesel storage off-grid power supply system

The utility model discloses a distributed wind-solar-diesel-storage off-grid power supply system which comprises a rectifier, a first MPPT controller, a fan controller, a second MPPT controller, a photovoltaic controller, a battery pack, an energy storage converter, an ATS switch and a direct current bus. The input end of the rectifier is connected with the wind driven generator, the output end of the rectifier, the fan controller and the direct current bus are connected in sequence, and the first MPPT controller is connected with the fan controller; the photovoltaic controller is connected with the photovoltaic power generation array, the second MPPT controller is connected with the photovoltaic controller, and the photovoltaic controller is connected with the direct current bus; the battery pack is connected with the direct-current bus, one end of the energy storage converter is connected with the direct-current bus, the other end of the energy storage converter is connected with one group of fixed ends of