性能优良的高频软开关三相逆变电源  

High Frequency Soft-switching Three-phase Inverter with Excellent Performance

作　　者：李旭[1] 陈道炼[1] 张蓉[1] 张海涛[1] 

机构地区：[1]南京航空航天大学,江苏南京210016

出　　处：《电力电子技术》2005年第1期83-85,105,共4页Power Electronics

摘　　要：对基于占空比扩展有源箝位正激式高频脉冲直流环节逆变器的组合式三相逆变电源的电路拓扑、稳态原理、三态DPM电流滞环控制技术、负载特性、关键电路参数设计进行了深入的分析研究。设计并研制成功了3kVA27VDC/200V400HzAC高频软开关三相逆变电源,它具有体积重量小、变换效率高、静态精度高、动态响应快、输入电压变化范围宽、输出波形质量高、过载与短路能力强、带三相不平衡负载的能力强、逆变桥功率开关实现ZVS等优良的综合性能。This paper investigates the circuit topology, steady principle, control strategy of three-state Discrete Pulse Modulation (DPM) hysteresis current, load characteristic, criterions of the key circuit parameters of the combined three-phase inverter based on the inverter with duty cycle extended active clamp forward high frequency pulse dc link.A designed and developed prototype for DC 3kVA 27V / AC 200V400Hz three-phase inverter with high frequency soft-switching has excellent comprehensive performances such as small bulk,lower weight, high conversion efficiency,high steady precision,fast dynamic response, wide input voltage range, good output waveforms, strong over-load and short-circuit ability, strong ability with different nature load and three-phase unbalanced load, and ZVS of the inverter bridge.

关 键 词：三相 逆变电源/高频软开关 高频脉冲直流环节 三态离散脉冲调制 

分 类 号：TM464[电气工程—电器] TN86[电子电信—信息与通信工程]