Search Results - "LI, Wuhua"

Review of Nonisolated High-Step-Up DC/DC Converters in Photovoltaic Grid-Connected Applications by Li, Wuhua, He, Xiangning

“…The photovoltaic (PV) grid-connected power system in the residential applications is becoming a fast growing segment in the PV market due to the shortage of…”
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Nature of power electronics and integration of power conversion with communication for talkative power by He, Xiangning, Wang, Ruichi, Wu, Jiande, Li, Wuhua

“…Power electronics and communication electronics are both based on electromagnetic theory, but they are usually regarded as two distinct subfields in electrical…”
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Topology Review and Derivation Methodology of Single-Phase Transformerless Photovoltaic Inverters for Leakage Current Suppression by Li, Wuhua, Gu, Yunjie, Luo, Haoze, Cui, Wenfeng, He, Xiangning, Xia, Changliang

“…Single-phase voltage source transformerless inverters have been developed for many years and have been successful commercial applications in the distributed…”
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Design and Analysis of a Grid-Connected Photovoltaic Power System by Yang, Bo, Li, Wuhua, Zhao, Yi, He, Xiangning

“…A grid-connected photovoltaic (PV) power system with high voltage gain is proposed, and the steady-state model analysis and the control strategy of the system…”
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Frequency-Coordinating Virtual Impedance for Autonomous Power Management of DC Microgrid by Gu, Yunjie, Li, Wuhua, He, Xiangning

“…In this paper, the concept of frequency-coordinating virtual impedance is proposed for the autonomous control of a dc microgrid. This concept introduces…”
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Improved Transformerless Inverter With Common-Mode Leakage Current Elimination for a Photovoltaic Grid-Connected Power System by Yang, Bo, Li, Wuhua, Gu, Yunjie, Cui, Wenfeng, He, Xiangning

“…To eliminate the common-mode leakage current in the transformerless photovoltaic grid-connected system, an improved single-phase inverter topology is…”
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Mode-Adaptive Decentralized Control for Renewable DC Microgrid With Enhanced Reliability and Flexibility by Gu, Yunjie, Xiang, Xin, Li, Wuhua, He, Xiangning

“…A mode-adaptive decentralized control strategy is proposed for the power management of a dc microgrid with multiple renewable distributed generators and energy…”
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Passivity-Based Control of DC Microgrid for Self-Disciplined Stabilization by Gu, Yunjie, Li, Wuhua, He, Xiangning

“…DC microgrids may have time-varying system structures and operation patterns due to the flexibility and uncertainty of distributed resources. This feature…”
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Average-Value Model of Modular Multilevel Converters Considering Capacitor Voltage Ripple by Yang, Heya, Dong, Yufei, Li, Wuhua, He, Xiangning

“…The modular multilevel converters (MMCs) are attractive topologies for the high-voltage direct current (HVDC) transmission system. Since the complicated…”
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Junction Temperature Extraction Approach With Turn-Off Delay Time for High-Voltage High-Power IGBT Modules by Luo, Haoze, Chen, Yuxiang, Sun, Pengfei, LI, Wuhua, He, Xiangning

“…Thermo-sensitive electrical parameter (TSEP) approaches are widely employed in the junction temperature extraction and prediction of power semiconductor…”
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Investigation and Classification of Short-Circuit Failure Modes Based on Three-Dimensional Safe Operating Area for High-Power IGBT Modules by Yuxiang Chen, Wuhua Li, Iannuzzo, Francesco, Haoze Luo, Xiangning He, Blaabjerg, Frede

“…Insulated-gate bipolar transistor (IGBT) short-circuit failure modes have been under research for many years, successfully paving the way for device…”
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Analysis and Control of Bipolar LVDC Grid With DC Symmetrical Component Method by Gu, Yunjie, Li, Wuhua, He, Xiangning

“…The dc symmetrical component method is introduced for the analysis and control of bipolar dc distribution systems under asymmetrical operation. This method is…”
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Improved Nearest-Level Modulation for a Modular Multilevel Converter With a Lower Submodule Number by Lin, Lei, Lin, Yizhe, He, Zhen, Chen, Yu, Hu, Jiabing, Li, Wuhua

“…This letter proposes an improved nearest-level modulation (NLM) method to enhance the quality of output voltage of a modular multilevel converter (MMC) with…”
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Neutral-Point-Shift-Based Active Thermal Control for a Modular Multilevel Converter Under a Single-Phase-to-Ground Fault by Dong, Yufei, Yang, Heya, Li, Wuhua, He, Xiangning

“…The thermal design of a highly reliable modular multilevel converter (MMC) is significant for the voltage-source-converter-based high-voltage direct current…”
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Interleaved Converter With Voltage Multiplier Cell for High Step-Up and High-Efficiency Conversion by Li, Wuhua, Zhao, Yi, Deng, Yan, He, Xiangning

“…A novel interleaved high step-up converter with voltage multiplier cell is proposed in this paper to avoid the extremely narrow turn-off period and to reduce…”
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High Step-Up Interleaved Converter With Built-In Transformer Voltage Multiplier Cells for Sustainable Energy Applications by Li, Wuhua, Li, Weichen, Xiang, Xin, Hu, Yihua, He, Xiangning

“…In this paper, the built-in transformer voltage multiplier cell is inserted into each phase of the conventional interleaved boost converter to provide…”
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Single-Phase Improved Active Clamp Coupled-Inductor-Based Converter With Extended Voltage Doubler Cell by Zhao, Yi, Li, Wuhua, He, Xiangning

“…In this paper, A single-phase improved active clamp coupled-inductor-based converter with extended voltage doubler cell is proposed for large-voltage…”
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Inherent SM Voltage Balance for Multilevel Circulant Modulation in Modular Multilevel DC-DC Converters by Fan, Shiyuan, Xiang, Xin, Sheng, Jing, Gu, Yunjie, Yang, Huan, Li, Wuhua, He, Xiangning, Green, Timothy C.

“…The modularity of a modular multilevel dc converter (MMDC) makes it attractive for medium-voltage distribution systems. Inherent balance of submodule (SM)…”
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Analytical and Experimental Investigation on A Dynamic Thermo-Sensitive Electrical Parameter With Maximum dI/dt During Turn-off for High Power Trench Gate/Field-Stop IGBT Modules by Yuxiang Chen, Haoze Luo, Wuhua Li, Xiangning He, Iannuzzo, Francesco, Blaabjerg, Frede

“…In this paper, a dynamic thermo-sensitive electrical parameter (DTSEP) for extracting the junction temperature of the trench gate/field-stop insulated gate…”
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PWM Plus Phase Angle Shift (PPAS) Control Scheme for Combined Multiport DC/DC Converters by Li, Wuhua, Xiao, Jianguo, Zhao, Yi, He, Xiangning

“…Multiport dc/dc converters are widely employed in hybrid energy generation systems to provide stable power to key loads with high power density. In this paper,…”
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