设计了一个AD/DC/AC变频电源系统。该系统利用集成逆变器件IM14400,并以FPGA为控制核心,采用SPWM变频控制技术,实现了三相正弦波变频输出。其输出线电压有效值为36 V,最大输出电流有效值达3 A。此外。系统还具有频率测量、电流和电压有效值测量及平均功率测量等功能。
- Abstract:
- An AC-DC-AC variable-frequency power supply system based on IM14400 is designed in this paper,which uses FPGA as control core.The frequency converting controlling technology of sinusoidal pulse width modulation (SPWM) is applied to get the output of three-phase variable-frequency sine wave.The RMS voltage is 36V and the maximum RMS current is up to 3A. The system also includes the following functions, such as frequency meaurement? RMS voltage and current measurement,? and mean power measurement.
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