The utility model discloses a generator system for an ADR system vehicle. The motor comprises a stator winding, an excitation winding, a rectification circuit and a storage battery. The device furthercomprises an MCU, a protection circuit and a filter circuit. the output end of the stator winding is connected with the input end of the rectifying circuit; the MCU is connected with the output end of the stator winding, one end of the excitation winding and the control end of the protection circuit. the other end of the exciting winding is respectively connected with the output end of the protection circuit and the MCU; the positive electrode of the storage battery is connected with the input end of the protection circuit and the excitation output end of the rectification circuit through theautomobile starting switch. The negative electrode of the storage battery is connected with the input end of the protection circuit and the excitation output end of the rectification circuit throughan ADR system. The output end positive electrode of the rectification circuit is connected with one end of the filter circuit and the positive electrode of the storage battery, and the output end negative electrode of the rectification circuit is grounded with the other end of the filter circuit, the negative electrode of the storage battery, the MCU and the protection circuit. The system can effectively meet the requirements of an ADR system, and is safe and practical.