Multifunctional load transfer vehicle with harmonic suppression function

The multifunctional load transfer vehicle comprises a vehicle body, a compartment is arranged on the vehicle body, a power generation chamber is arranged in the compartment, a diesel generator set is arranged in the power generation chamber, three output ends are arranged in the compartment, and the three output ends comprise one 400V low-voltage output end and two high-voltage output ends. An ATS cabinet is arranged among the diesel generating set, the low-voltage output end and the transformer, the ATS cabinet comprises a first end, a second end, a third end and a manual and automatic change-over switch, an ATS controller, a three-phase balance cabinet and a harmonic suppression device are further arranged in the ATS cabinet, and the three-phase balance cabinet and the harmonic suppression device are connected to the third end; and a circuit break protection device is arranged between the third end and the low-voltage output end. Compared with the prior art, switching between the diesel generating set and t