摘要
首次提出了占空比扩展高频脉冲直流环节逆变器新思路,深入分析研究了该软开关逆变器工作原理、三态离散脉冲电流滞环跟踪控制策略,获得了关键电路参数设计准则。设计并研制成功的750VA 27V DC/115V 400Hz AC逆变电源具有体积重量小、变换效率高、静态精度高、动态响应速度快、输出波形失真度低、过载与短路能力强、可靠性高等优良的综合性能。
A novel idea of inverter with duty cycle extended high frequency pulse DC link is firstly proposed . The operation principle of the soft-switching inverter and the control strategy of three-state discrete pulse modulation hystersis current are deeply analyzed and studied. The design criterions of key circuit parameter are gained. A designed and developed 750 VA 27 V DC /115V 400 Hz AC prototype has the excellent comprehensive advantages.
出处
《电源技术应用》
2002年第1期5-8,共4页
Power Supply Technologles and Applications
基金
航空基础科学基金
中国及江苏省博士后科学基金
关键词
综合性能
高频软开关
逆变电源
高频环节逆变器
三态离散脉冲调制
有源箝位
Soil-switching
High frequency link inverter
High frequency pulse DC link
Three-state discrete pulse modulation (I)PM)
Active clamp
