Auxiliary control cell of power disperse type train set

The utility model relates to an auxiliary control unit of a power distributed type motor train unit, the auxiliary control unit is connected with an auxiliary power inverter through a sensor, and the auxiliary control unit comprises a motherboard, a main processor board, an MVB network board and a standby power board, wherein the main processor board is respectively connected with the motherboard, the MVB network board and the standby power board; the MVB network board is connected with a train network (TCMS); and the motherboard comprises a motherboard power processing part, a motherboard closed-loop regulation interface part and a motherboard input/output monitoring part. The utility model realizes control to the auxiliary inverter through a floating-point DSP processor and an FPGA, and realizes communication with the train network through the MVB network board; the FPGA can be revised according to different needs, the control is flexible, and the real-time performance is good; and the preservation of various event data is completed through the installed standby power board when the system is power-down, and the utility model is safe and reliable.