Control device of multi-phase frequency converter

The utility model discloses a control device of a multi-phase frequency converter and belongs to the electric power electronic control technology field. The control device of the multi-phase frequency converter comprises a DSP, a digital signal input unit and an IGBT driving module. The control device of the multi-phase frequency converter is characterized by further comprising an FPGA main controller and an FPGA sub-controller, wherein the DSP provides control parameters for the FPGA main controller according to input information, the FPGA main controller generates PWM waveforms based on the control parameters, and the PWM waveforms are sent to the IGBT driving module through the FPGA sub-controller. According to the control device, on one hand, the DSP has strong digital signal processing capability, on the other hand, the FPGA main controller and the FPGA sub-controller respectively have relatively high IO configuration flexibility, so multi-phase PWM waveforms can be generated through hardware description