Search Results - "Shen, Z. John"

Transient Angle Stability of Virtual Synchronous Generators Using Lyapunov's Direct Method by Shuai, Zhikang, Shen, Chao, Liu, Xuan, Li, Zuyi, Shen, Z. John

“…With an increasing number of distributed energy resources integrated into the power system, inverters need to take on the corresponding responsibility for the…”
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Transient Angle Stability of Paralleled Synchronous and Virtual Synchronous Generators in Islanded Microgrids by Cheng, Huijie, Shuai, Zhikang, Shen, Chao, Liu, Xuan, Li, Zuyi, Shen, Z. John

“…With the development of virtual synchronous generator (VSG) techniques, parallel operations of synchronous generators (SGs) and VSGs become increasingly common…”
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Characteristics and Restraining Method of Fast Transient Inrush Fault Currents in Synchronverters by Zhikang Shuai, Wen Huang, Chao Shen, Jun Ge, Shen, Z. John

“…Large transient inrush fault current in a synchronverter during a short-circuit fault can potentially damage the inverter and cause grid instability. It is…”
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Dynamic Stability Analysis of Synchronverter-Dominated Microgrid Based on Bifurcation Theory by Zhikang Shuai, Yang Hu, Yelun Peng, Chunming Tu, Shen, Z. John

“…In the traditional power grid, inverter-interfaced distributed energy resources are widely used in microgrids such as conventional synchronous generators (SGs)…”
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A New Characterization Technique for Extracting Parasitic Inductances of SiC Power MOSFETs in Discrete and Module Packages Based on Two-Port S-Parameters Measurement by Liu, Tianjiao, Wong, Thomas T. Y., Shen, Z. John

“…The parasitic inductances of silicon carbide (SiC) power mosfets have a major influence on their operation and circuit performance. They incur negative effects…”
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Numerical Study of SiC MOSFET With Integrated n-/n-Type Poly-Si/SiC Heterojunction Freewheeling Diode by Yu, Hengyu, Liang, Shiwei, Liu, Hangzhi, Wang, Jun, Shen, Z. John

“…It is highly desirable to monolithically integrate a high-performance freewheeling diode (FWD) in both Si and SiC power MOSFETs for power electronic…”
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Divided DQ Small-Signal Model: A New Perspective for the Stability Analysis of Three-Phase Grid-Tied Inverters by Shuai, Zhikang, Li, Yang, Wu, Weimin, Tu, Chunming, Luo, An, Shen, Z. John

“…The instability issues of the three-phase grid-tied inverters are major concerns in the distributed generated systems. However, due to the coupling effects in…”
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Transient Voltage Stability of Paralleled Synchronous and Virtual Synchronous Generators With Induction Motor Loads by Cheng, Huijie, Huang, Wen, Shen, Chao, Peng, Yelun, Shuai, Zhikang, Shen, Z. John

“…Parallel operation of synchronous generators (SGs) and virtual synchronous generators (VSGs) is an important way to guarantee the safe operation of the…”
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WBG and Si Hybrid Half-Bridge Power Processing Toward Optimal Efficiency, Power Quality, and Cost Tradeoff by Zhang, Chao, Wang, Jun, Qu, Kun, Hu, Bo, Li, Zongjian, Yin, Xin, Shen, Z. John

“…Wide-bandgap (WBG) power semiconductors offer a higher switching frequency and lower switching loss than their silicon counterparts but suffer from a…”
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A Survey on Switching Oscillations in Power Converters by Liu, Tianjiao, Wong, Thomas T. Y., Shen, Z. John

“…High-frequency power converters enabled by wide bandgap (WBG) and silicon semiconductor devices offer distinct advantages in power density and dynamic…”
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Modeling and Analysis of SiC MOSFET Switching Oscillations by Tianjiao Liu, Runtao Ning, Wong, Thomas T. Y., Shen, Z. John

“…SiC MOSFETs exhibit extremely fast switching characteristics, which are unfortunately accompanied by undesirable switching oscillations. In this paper,…”
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Transient Stabilization Control of Electric Synchronous Machine for Preventing the Collapse of DC-Link Voltage by Peng, Yelun, Shuai, Zhikang, Shen, Chao, Hou, Xiaochao, Shen, Z. John

“…Electric synchronous machine (ESM) control is a power synchronization strategy that utilizes the measurement of dc-link voltage to generate a frequency…”
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Smart Plug 2.0: A Solid-State Smart Plug Device Preventing Fire and Shock Hazards by Deng, Zhixi, Zhou, Yuanfeng, Kamal, Ahmad, Na, Risha, Brown, Ian, Shen, Z. John

“…Electrical faults cause fire or shock hazards in homes and offices. Flexible power cords are particularly susceptible to metal or insulation degradation that…”
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New Physical Insights on Power MOSFET Switching Losses by Yali Xiong, Shan Sun, Hongwei Jia, Shea, P., Shen, Z.J.

“…Realistic estimation of power MOSFET switching losses is critical for predicting the maximum junction temperature and efficiency of power electronics circuits…”
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Comparative Study of Short-Circuit Fault Characteristics for VSC-Based DC Distribution Networks With Different Distributed Generators by Shuai, Zhikang, He, Dong, Xiong, Zhijie, Lei, Zhiqi, John Shen, Z.

“…Distributed power generation integration can effectively improve the reliability and economy of dc distribution network operation. However, it is difficult to…”
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Design and Analysis of DC Solid-State Circuit Breakers Using SiC JFETs by Zhenyu Miao, Sabui, Gourab, Roshandeh, Aref Moradkhani, Shen, Z. John

“…Protection against short-circuit faults remains a major technical challenge in increasingly popular dc power networks. This paper describes a new concept of a…”
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Investigation on Degradation of SiC MOSFET Under Surge Current Stress of Body Diode by Jiang, Xi, Wang, Jun, Chen, Jianjun, Li, Zongjian, Zhai, Dongyuan, Yang, Xin, Ji, Bing, Shen, Z. John

“…Eliminating antiparallel silicon carbide Schottky barrier diode (SiC SBD) and making use of the intrinsic body diode of SiC…”
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Performance Comparison of Two Hybrid Si/SiC Device Concepts by Li, Zongjian, Wang, Jun, He, Zhizhi, Yu, Jiajun, Dai, Yuxing, Shen, Z. John

“…Various Si/SiC hybrid device concepts aim at achieving SiC performance at a significantly reduced cost in comparison to full SiC solutions. Both the…”
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Fault-Tolerant Inverter Operation Based on Si/SiC Hybrid Switches by Peng, Zishun, Wang, Jun, Liu, Zeng, Dai, Yuxing, Zeng, Guoqiang, Shen, Z. John

“…The silicon (Si)/silicon carbide (SiC) hybrid switch comprising a Si insulated gate bipolar translator (IGBT) and a SiC metal-oxide-semiconductor field effect…”
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Dynamic Gate Delay Time Control of Si/SiC Hybrid Switch for Loss Minimization in Voltage Source Inverter by Li, Zongjian, Zhang, Chao, Yu, Jiajun, Hu, Bo, He, Zhixing, Wang, Jun, Shen, Z. John

“…The voltage source inverter (VSI) based on the Si/SiC hybrid switch (HyS) offers a better cost/performance tradeoff than the full-SiC VSI design. However, the…”
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