Auxiliary unit power supply system of light storage intelligent generator set

The utility model discloses a power supply system for an auxiliary unit of a light-storage intelligent generator set. The power supply system comprises a generator set, a photovoltaic panel, a photovoltaic controller, an energy storage battery, a battery management system, a bidirectional converter, a quick change-over switch, a contactor, a power distribution switch and a bypass switch, the auxiliary unit of the generator set comprises a starting battery charger, a water jacket heater, an engine oil preheater, a fuel oil electric heat tracing heat preservation device and a lighting device. The system has the advantages that a multi-energy complementary multi-power supply scheme is provided for the auxiliary unit of the generator set in the island scene, and the scene requirements of plateaus, far Xinjiang, islands, various project campsites, island energy stations and the like are met; light, storage and diesel are coordinated and complemented, seamless switching of operation modes is achieved through a rapi