Modulation-Enhanced Nearest-Level Quantization for a Wide Output Bandwidth [0.03%]
增强调制的最近级量化以实现宽广的输出带宽
Jinshui Zhang,Xiaoyang Tian,Boshuo Wang et al.
Jinshui Zhang et al.
Multilevel converters have enabled various applications that are not possible with conventional two-level converters. Many of these applications, however, need a high output bandwidth, often approaching the switching rate limit of the trans...
MCU-based Safer Coagulation Mode by Nonfixed Duty Cycle for an Electrosurgery Inverter [0.03%]
基于MCU的非固定占空比安全凝血模式的外科手术逆变器
Congbo Bao,Sudip K Mazumder
Congbo Bao
The arcing-involved pulsating coagulation mode with both active and blank periods is essential for modern electrosurgery. This paper begins with a comprehensive introduction to such a pulsating mode, followed by its implementation challenge...
Reduced Collateral Tissue Damage Using Thermal-Feedback-Based Power Adaptation of an Electrosurgery Inverter [0.03%]
基于热反馈调整功率的高频电刀对减少手术副损伤的作用研究
Congbo Bao,Sudip K Mazumder
Congbo Bao
Well-selected power with accurate delivery is of importance in electrosurgery to generate proper temperature at the cutting site, and thus, reduce undesired collateral tissue damages. Conventional electrosurgery generator (ESG) targets trac...
Congbo Bao,Sudip K Mazumder
Congbo Bao
This paper presents a multi-resonant-frequency (MRF) filter for a high-frequency inverter (HFI) used in electrosurgery. The fundamental (sinusoidal) output frequency of the HFI is 390 kHz and is the same as the switching frequency of the HF...
Dependence of Supercapacitor Peukert Constant on Voltage, Aging, and Temperature [0.03%]
超级电容器Peukert常数随电压、老化及温度的变化依赖性研究
Hengzhao Yang
Hengzhao Yang
This paper investigates the dependence of the supercapacitor Peukert constant on its terminal voltage, aging condition, and operating temperature. Recent studies show that the charge delivered by a supercapacitor during a constant current d...
Stephanie Hsu,Ada S Y Poon
Stephanie Hsu
Wireless energy harvesting devices convert received AC energy into DC voltages suitable to power the back-end functionality of the devices. The low energy available to the devices require high AC-DC conversion efficiency in order for enough...
Handong Gui,Ruirui Chen,Jiahao Niu et al.
Handong Gui et al.
In order to apply power electronics systems to applications such as superconducting systems under cryogenic temperatures, it is necessary to investigate the characteristics of different parts in the power electronics systems. This paper rev...
Design Optimization of Hybrid-Switch Soft-Switching Inverters Using Multiscale Electrothermal Simulation [0.03%]
基于多尺度电热仿真的混合开关软开关逆变器设计优化
John Reichl,Jih-Sheng Lai,Allen Hefner et al.
John Reichl et al.
A multiscale electrothermal simulation approach is presented to optimize the design of a hybrid switch soft-switching inverter using a library of dynamic electrothermal component models parameterized in terms of electrical, structural, and ...
Hengzhao Yang
Hengzhao Yang
This paper investigates the effects of three aspects of the supercapacitor physics on its charge capacity: porous electrode structure, charge redistribution, and self-discharge. The relationship between the delivered charge and the discharg...
Estimation of Supercapacitor Charge Capacity Bounds Considering Charge Redistribution [0.03%]
考虑电荷重新分布的超级电容器充放电容量估计
Hengzhao Yang
Hengzhao Yang
This paper investigates the impact of charge redistribution on supercapacitor charge capacity by experimentally estimating the charge capacity bounds. An analysis of a physics-based RC ladder circuit model for supercapacitors reveals the th...