Multi-energy complementary comprehensive energy supply system and energy supply method for large park

The invention discloses a multi-energy complementary comprehensive energy supply system and method for a large park, and relates to the technical field of energy supply devices. The multi-energy complementary comprehensive energy supply system for the large park comprises an air compressor and a driving motor, the upper end of the air compressor is provided with a cooling complementary assembly used for conducting cooling complementary on lubricating oil, the upper end of the air compressor is provided with a reciprocating compression assembly, and the upper end of the air compressor is provided with an oil guide assembly used for automatically lubricating the reciprocating compression assembly. The cooling complementation assembly comprises a compression shell fixedly arranged at the upper end of the air compressor, a plurality of oil outlet holes and oil seepage holes are formed in the outer side of the compression shell, lubricating oil is circulated through the oil outlet holes and the oil seepage holes i