Design of three-level inverter vector control apparatus based on FPGA
A technology of three-level inverter and vector control, which is applied in the field of power system, can solve the problems of backward control technology and low work efficiency, and achieve the effect of wide application range, low work efficiency and reduced dependence
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[0024] The present invention will be described in further detail below in conjunction with the accompanying drawings.
[0025] figure 1 Shown is a block diagram of the overall hardware structure of an FPGA-based three-level inverter vector control device according to the present invention. It mainly includes control board equipped with FPGA chip, optocoupler isolation module, three-phase inverter main circuit, sampling and conditioning circuit, A / D module, communication module and power module. The connection relationship between each module is as follows: the power supply module and the communication module are respectively connected to the control board equipped with the FPGA chip, the power supply module supplies power to the control board, and the control board sends the generated PWM modulation signal to the In the optocoupler isolation module, after the optocoupler isolation module isolates and amplifies the pulse signal, it becomes the high and low voltage level that c...
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