介绍了基于DSP 的115 V/400 Hz 三相逆变电源的设计原理和设计方法，采用移相谐振控制技术和周波变流型

高频环节逆变技术，使整机开关最大程度地实现了软开关。实验结果表明，该逆变电源设计合理、可靠性高，并在小

型化、提高功率密度和可靠性方面，取得了很好的效果-Introduced DSP-based three-phase inverter power supply 115 V/400 Hz design principle and design method, using phase resonant frequency inverter control technology and high frequency link inverter technology, the machine switches to maximize the soft switch. Experimental results show that the inverter power supply design is reasonable, reliable and small, to improve power density and reliability, achieved good results