The patent abstract with the publication number of cn112436747a shows that the present application provides an electric drive system, a power train and an electric vehicle, and relates to the technical field of electronic circuits. Among them, the electric drive system includes: bus, vehicle charger, three-level inverter circuit and controller. By using this electric drive system, the regulating ability of bus neutral point potential equalization of three-level inverter circuit is improved.
The patent abstract with the publication number of cn112436779a shows that the application provides an electric drive system, a power train and an electric vehicle, which relates to the field of power electronics technology. The electric drive system is connected with power battery pack, including bus, three-level inverter circuit, DC − DC converter circuit and controller. The controller is used for controlling the first conversion circuit and the second conversion circuit. The electric drive system reduces the volume and cost.