Main circuit of vehicle-mounted super-capacitor type quick charge device

The invention discloses a main circuit of a vehicle-mounted super-capacitor type quick charge device, and belongs to the technical field of a high power supply. The main circuit comprises a step-down rectification transformer (1), a quick charge module (2) and a charge load (3), wherein the quick charge module (2) comprises three groups of identical module units and also comprises an LCL filter (211), a high-frequency rectifier (212), a direct-current wave chopper (213) and a wave chopper inductor (214). The main circuit has the advantages as follows: the main circuit adopts a modular structure and is high in reliability, high in charge capacity, good in redundancy and high in expandability.