Research on Load Resonant Full-bridge Inverter PSPWM & PDM Soft-switching Control
Author(s): SU Xiao-li, SHEN Jin-fei
Pages: 71-73
Year: 2014 Issue: 8
Journal: Power Electronics
Keyword: inverter; series resonant; power control;
Abstract: 针对逆变器在串联谐振负载条件下,移相脉宽调制(PSPWM)中移相角变大时电流波形三角畸变严重,脉冲密度调节(PDM)轻载时电流断续的缺点,将PDM与PSPWM结合起来,组成移相密度复合调节(PSPWM&PDM),对逆变器进行功率控制,逆变器始终工作在零电流开关(ZCS)状态.详细分析了PSPWM&PDM的工作模式和控制原理,给出了仿真和实验波形.
Pages: 71-73
Year: 2014 Issue: 8
Journal: Power Electronics
Keyword: inverter; series resonant; power control;
Abstract: 针对逆变器在串联谐振负载条件下,移相脉宽调制(PSPWM)中移相角变大时电流波形三角畸变严重,脉冲密度调节(PDM)轻载时电流断续的缺点,将PDM与PSPWM结合起来,组成移相密度复合调节(PSPWM&PDM),对逆变器进行功率控制,逆变器始终工作在零电流开关(ZCS)状态.详细分析了PSPWM&PDM的工作模式和控制原理,给出了仿真和实验波形.
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