Prefabricated transformer substation with wind-solar complementary control power supply and control method

The invention provides a prefabricated substation with a wind-solar complementary control power supply and a control method, the prefabricated substation comprises a substation transformer, a direct current screen and a storage battery pack which are arranged in the substation, the input end of the substation transformer is electrically connected with a high-voltage power supply, and the output end of the substation transformer is electrically connected with the input end of the direct current screen; the direct current screen is selectively and electrically connected with the alternating current load, the direct current load or the storage battery; the wind-solar complementary power generation module is mounted at the top of the prefabricated substation; the wind-solar complementary control module is in communication connection with the wind-solar complementary power generation module and the direct-current screen, is electrically connected with the wind-solar complementary power generation module and the st