Auxiliary power unit of slow run magnetic suspension train

The utility model relates to an auxiliary power unit of a low-speed maglev, which includes a high-pressure switch isolation box, a DC1500V/DC330V converter box, a three-phase auxiliary inverter box, a low-voltage power distribution cabinet, a 3AC330V/DC110V converter box, a DC330V power distribution cabinet, an emergency inverter, a 330 V and 110 V storage battery pack and a management circuit thereof. The auxiliary power unit integrates high-voltage isolation, high-voltage direct current conversion, auxiliary inversion, low-voltage power distribution, conversion between direct current and alternate current, high-voltage direct current power distribution, emergency inversion, 330 V and 110 V storage battery pack and management function. The auxiliary power unit of the low-speed maglev can be provided with an auxiliary power supply with stability, safety and reliability.