Pulse interference generation circuit and simulation device applied to vehicle-mounted charging system

The invention relates to a pulse interference generation circuit applied to a vehicle-mounted charging system and a simulation device. The circuit comprises a power supply module, an energy storage capacitor C1, a forward charging switch module, a reverse charging switch module and an energy storage release module. The power supply module outputs electric energy; the forward charging switch module and the reverse charging switch module are respectively connected in series between the power supply module and the energy storage capacitor C1, and the forward charging switch module or the reverse charging switch module is conducted to enable the energy storage capacitor C1 to have voltages in different directions; and the energy storage release module is connected with the energy storage capacitor C1 and is used for releasing the electric energy stored in the energy storage capacitor C1. According to the invention, the energy storage capacitor C1 is enabled to have an instantaneously changing voltage waveform thr