Figures of the Article

• Schematic diagram of traditional sampling methods
• Schematic diagram of asymmetric regular sampling method based on tangent approximation
• Comparison chart of modulation wave
• Simulation model of experimental device
• Simulation model of SPWM module
• Simulation waveform of tangent approximation
• FFT analysis results
• Flow chart of SPWM signal generation program
• System architecture of high frequency inverter charging device
• Real device picture of high frequency inverter charging device
• Three phase line voltage output waveform