A streaming communication control system variable by means

The present invention discloses a variable flow control system using the communication apparatus, and the external current sensing circuit voltage IGBT drive circuit, including the DSP module, FPGA module, and interactive modules, each module connected to the FPGA DSP blocks, interactive module, a current sampling circuit and the voltage IGBT drive circuit; the FPGA module integrated external device communication data, the DSP module UC; the DSP core computing and control module is implemented, each receiving an external control command operation period and sampling signal, pulsing the IGBT control command system; the human-machine interaction module receives external control commands, provides interactive interface display. The present invention is a new system for controlling the energy converter wind power, photovoltaic, etc., can effectively integrate external device different frequencies, different amounts of data communications needs, while ensuring the parallel operation and the communication is performed.