Search Results - "Liu, Wenhua"

Current-Stress-Optimized Switching Strategy of Isolated Bidirectional DC-DC Converter With Dual-Phase-Shift Control by Zhao, Biao, Song, Qiang, Liu, Wenhua, Sun, Weixin

“…By establishing the mathematical model of the current stress of the isolated bidirectional dc-dc converter (IBDC), this paper comparatively analyzes the…”
Get full text

Overview of Dual-Active-Bridge Isolated Bidirectional DC-DC Converter for High-Frequency-Link Power-Conversion System by Zhao, Biao, Song, Qiang, Liu, Wenhua, Sun, Yandong

“…High-frequency-link (HFL) power conversion systems (PCSs) are attracting more and more attentions in academia and industry for high power density, reduced…”
Get full text

A Modular Multilevel DC-Link Front-to-Front DC Solid-State Transformer Based on High-Frequency Dual Active Phase Shift for HVDC Grid Integration by Zhao, Biao, Song, Qiang, Li, Jianguo, Liu, Wenhua

“…This paper proposes a modular multilevel dc-link dc solid-state transformer (MADCT) based on high-frequency dual active phase shift for HVDC grid integration…”
Get full text

A Practical Solution of High-Frequency-Link Bidirectional Solid-State Transformer Based on Advanced Components in Hybrid Microgrid by Zhao, Biao, Song, Qiang, Liu, Wenhua

“…This paper proposes a practical solution of high-frequency-link (HFL) ac solid-state transformer (ACSST) based on advanced components in hybrid microgrid. In…”
Get full text

Modular Multilevel High-Frequency-Link DC Transformer Based on Dual Active Phase-Shift Principle for Medium-Voltage DC Power Distribution Application by Zhao, Biao, Song, Qiang, Li, Jianguo, Wang, Yu, Liu, Wenhua

“…This paper proposes a multilevel high-frequency-link dc transformer (MDCT) based on dual active phase-shift principle for medium-voltage dc (MVDC) power…”
Get full text

Comparative Analysis of Multilevel-High-Frequency-Link and Multilevel-DC-Link DC–DC Transformers Based on MMC and Dual-Active Bridge for MVDC Application by Zhao, Biao, Song, Qiang, Li, Jianguo, Xu, Xiaopeng, Liu, Wenhua

“…This paper gives a comprehensive comparison of multilevel high-frequency-link (HFL) dc transformer (abbreviated MDCT) based on modular multilevel converter…”
Get full text

Efficiency Characterization and Optimization of Isolated Bidirectional DC-DC Converter Based on Dual-Phase-Shift Control for DC Distribution Application by Zhao, Biao, Song, Qiang, Liu, Wenhua

“…Compared to the traditional single-phase-shift control, dual-phase-shift (DPS) control can greatly improve the performance of the isolated bidirectional dc-dc…”
Get full text

Universal High-Frequency-Link Characterization and Practical Fundamental-Optimal Strategy for Dual-Active-Bridge DC-DC Converter Under PWM Plus Phase-Shift Control by Zhao, Biao, Song, Qiang, Liu, Wenhua, Liu, Guowei, Zhao, Yuming

“…This letter first develops a universal steady-state model to simply and accurately describe the analytical expressions for the high-frequency-link (HFL)…”
Get full text

Power Characterization of Isolated Bidirectional Dual-Active-Bridge DC-DC Converter With Dual-Phase-Shift Control by Zhao, Biao, Song, Qiang, Liu, Wenhua

“…Compared to the traditional single-phase-shift control, dual-phase-shift (DPS) control can greatly improve the performance of the isolated bidirectional…”
Get full text

Full-Process Operation, Control, and Experiments of Modular High-Frequency-Link DC Transformer Based on Dual Active Bridge for Flexible MVDC Distribution: A Practical Tutorial by Zhao, Biao, Song, Qiang, Li, Jianguo, Sun, Qianhao, Liu, Wenhua

“…DC transformer (DCT) will be the key device for medium-voltage dc (MVDC) power distribution system. This paper gives a practical tutorial on full-process…”
Get full text

Cobalt-Doping of Molybdenum Disulfide for Enhanced Catalytic Polysulfide Conversion in Lithium–Sulfur Batteries by Liu, Wen, Luo, Chong, Zhang, Siwei, Zhang, Bin, Ma, Jiabin, Wang, Xinliang, Liu, Wenhua, Li, Zejian, Yang, Quan-Hong, Lv, Wei

“…Metal sulfides, such as MoS2, are widely investigated in lithium–sulfur (Li–S) batteries to suppress the shuttling of lithium polysulfides (LiPSs) due to their…”
Get full text

Trends in smoking prevalence and implication for chronic diseases in China: serial national cross-sectional surveys from 2003 to 2013 by Wang, Minghuan, Luo, Xiang, Xu, Shabei, Liu, Wenhua, Ding, Fengfei, Zhang, Xiaoxiang, Wang, Liang, Liu, Jian, Hu, Jianping, Wang, Wei

“…China is the world's largest consumer of tobacco and has a large smoking-related chronic disease burden. In this nationwide study, we aimed to evaluate smoking…”
Get full text

Protection of Nonpermanent Faults on DC Overhead Lines in MMC-Based HVDC Systems by Li, Xiaoqian, Song, Qiang, Liu, Wenhua, Rao, Hong, Xu, Shukai, Li, Licheng

“…A high-voltage direct current system using modular multilevel converter (MMC-HVDC) is a potential candidate for grid integration of renewable energy over long…”
Get full text

Azo dye degrading bacteria tolerant to extreme conditions inhabit nearshore ecosystems: Optimization and degradation pathways by Zhuang, Mei, Sanganyado, Edmond, Zhang, Xinxin, Xu, Liang, Zhu, Jianming, Liu, Wenhua, Song, Haihong

“…Nearshore ecosystems are transitional zones, and they may harbor a diverse microbial community capable of degrading azo dyes under extreme environmental…”
Get full text

Next-Generation Multi-Functional Modular Intelligent UPS System for Smart Grid by Zhao, Biao, Song, Qiang, Liu, Wenhua, Xiao, Yi

“…This paper analyzed the development trend of uninterruptible power supply (UPS) and presented a multi-functional modular intelligent UPS system for smart grid,…”
Get full text

A Steady-State Analysis Method for a Modular Multilevel Converter by Song, Qiang, Liu, Wenhua, Li, Xiaoqian, Rao, Hong, Xu, Shukai, Li, Licheng

“…Modular multilevel converters (MMC) are considered a top converter alternative for voltage-source converter (VSC) high-voltage, direct current (HVDC)…”
Get full text

Polybrominated diphenyl ethers exert genotoxic effects in pantropic spotted dolphin fibroblast cell lines by Rajput, Imran Rashid, Yaqoob, Summra, Yajing, Sun, Sanganyado, Edmond, Wenhua, Liu

“…Cetaceans accumulate persistent and toxic substances such as polybrominated diphenyl ethers in their tissue. PBDEs are ubiquitous in marine environments, and…”
Get full text

High-Frequency-Link Modulation Methodology of DC–DC Transformer Based on Modular Multilevel Converter for HVDC Application: Comprehensive Analysis and Experimental Verification by Zhao, Biao, Song, Qiang, Li, Jianguo, Wang, Yu, Liu, Wenhua

“…This paper presents a comprehensive theoretical analysis and experimental verification of high-frequency-link (HFL) modulation of dc-dc transformer…”
Get full text

Transient DC Bias and Current Impact Effects of High-Frequency-Isolated Bidirectional DC-DC Converter in Practice by Zhao, Biao, Song, Qiang, Liu, Wenhua, Zhao, Yuming

“…This paper presents the transient dc bias and the current impact effects of a high-frequency-isolated bidirectional dc-dc converter (IBDC) in practice because…”
Get full text

Multilevel Optimal Modulation and Dynamic Control Strategies for STATCOMs Using Cascaded Multilevel Inverters by Song, Qiang, Liu, Wenhua, Yuan, Zhichang

“…A multilevel optimal modulation strategy was developed for static synchronous compensators (STATCOMs) using cascaded multilevel inverters. In this strategy,…”
Get full text