摘要
介绍了三电平中点箝位型(NPC)逆变器的特点与控制策略,给出了基于DSP与CPLD数字控制平台的三电平中点箝位型逆变器的系统设计方案,重点分析了SPWM控制原理,并通过实验验证了SPWM调制方法的特点。
The characteristics and control strategy of three-level Neutral-Point-Clamped (NPC) inverter are introduced. The whole three-level inverter system based on DSP and CPLD digital control platform is presented. SPWM modulation is analyzed and researched, The characteristics of SPWM for three-level inverter are verified by the experiments.
出处
《电源技术应用》
2006年第5期13-16,共4页
Power Supply Technologles and Applications