While sufficient review articles exist on inductive short-range wireless power transfer(WPT),long-haul microwave WPT(MWPT)for solar power satellites,and ambient microwave wireless energy harvesting(MWEH)in urban areas...While sufficient review articles exist on inductive short-range wireless power transfer(WPT),long-haul microwave WPT(MWPT)for solar power satellites,and ambient microwave wireless energy harvesting(MWEH)in urban areas,few studies focus on the fundamental modeling and related design automation of receiver systems.This article reviews the development of MWPT and MWEH receivers,with a focus on rectenna design automation.A novel rectifier model capable of accurately modeling the rectification process under both high and low input power is presented.The model reveals the theoretical boundary of radio frequency-to-direct current(dc)power conversion efficiency and,most importantly,enables an automated system design.The automated rectenna design flow is sequential,with the minimal engagement of iterative optimization.It covers the design automation of every module(i.e.,rectifiers,matching circuits,antennae,and dc–dc converters).Scaling-up of the technique to large rectenna arrays is also possible,where the challenges in array partitioning and power combining are briefly discussed.In addition,several cutting-edge rectenna techniques for MWPT and MWEH are reviewed,including the dynamic range extension technique,the harmonics-based retro-directive technique,and the simultaneous wireless information and power transfer technique,which can be good complements to the presented automated design methodology.展开更多
重点分析了智能功率模块(Intelligent Power Modulel——IPM)的基本电气特征,包括IPM的结构、内部功能机理。在此基础上,以三菱公司的PS21564为例研究了常用的IPM驱动电路的硬件设计方法、保护电路的软硬件设计方法,最后阐述了IPM模块...重点分析了智能功率模块(Intelligent Power Modulel——IPM)的基本电气特征,包括IPM的结构、内部功能机理。在此基础上,以三菱公司的PS21564为例研究了常用的IPM驱动电路的硬件设计方法、保护电路的软硬件设计方法,最后阐述了IPM模块在发电机励磁控制系统整流装置中的应用设计。实验结果表明,采用IPM作为开关模块并配合空间矢量PWM(SVPWM)算法,励磁系统的功率因数接近为1、谐波污染较小,提高了电能质量。展开更多
基金supported by the Singapore Ministry of Education Academic Research Fund Tier 1。
文摘While sufficient review articles exist on inductive short-range wireless power transfer(WPT),long-haul microwave WPT(MWPT)for solar power satellites,and ambient microwave wireless energy harvesting(MWEH)in urban areas,few studies focus on the fundamental modeling and related design automation of receiver systems.This article reviews the development of MWPT and MWEH receivers,with a focus on rectenna design automation.A novel rectifier model capable of accurately modeling the rectification process under both high and low input power is presented.The model reveals the theoretical boundary of radio frequency-to-direct current(dc)power conversion efficiency and,most importantly,enables an automated system design.The automated rectenna design flow is sequential,with the minimal engagement of iterative optimization.It covers the design automation of every module(i.e.,rectifiers,matching circuits,antennae,and dc–dc converters).Scaling-up of the technique to large rectenna arrays is also possible,where the challenges in array partitioning and power combining are briefly discussed.In addition,several cutting-edge rectenna techniques for MWPT and MWEH are reviewed,including the dynamic range extension technique,the harmonics-based retro-directive technique,and the simultaneous wireless information and power transfer technique,which can be good complements to the presented automated design methodology.
文摘重点分析了智能功率模块(Intelligent Power Modulel——IPM)的基本电气特征,包括IPM的结构、内部功能机理。在此基础上,以三菱公司的PS21564为例研究了常用的IPM驱动电路的硬件设计方法、保护电路的软硬件设计方法,最后阐述了IPM模块在发电机励磁控制系统整流装置中的应用设计。实验结果表明,采用IPM作为开关模块并配合空间矢量PWM(SVPWM)算法,励磁系统的功率因数接近为1、谐波污染较小,提高了电能质量。
