Search Results - "Fan, Shengfang"

An Improved Control System for Modular Multilevel Converters with New Modulation Strategy and Voltage Balancing Control by Fan, Shengfang, Zhang, Kai, Xiong, Jian, Xue, Yaosuo

“…Modular multilevel converter (MMC) has become one of the most promising converter topologies for future high-power applications. A challenging issue of the MMC…”
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A Repetitive Control Scheme for Harmonic Suppression of Circulating Current in Modular Multilevel Converters by He, Liqun, Zhang, Kai, Xiong, Jian, Fan, Shengfang

“…In a modular multilevel converter (MMC), the interaction between switching actions and fluctuating capacitor voltages of the submodules results in second- and…”
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Active Power Decoupling for High-Power Single-Phase PWM Rectifiers by Li, Hongbo, Zhang, Kai, Zhao, Hui, Fan, Shengfang, Xiong, Jian

“…Single-phase pulsewidth modulation rectifiers suffer from ripple power pulsating at twice the line frequency. The ripple power is usually filtered by a bulky…”
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Low-Frequency Ripple Suppression for Medium-Voltage Drives Using Modular Multilevel Converter With Full-Bridge Submodules by He, Liqun, Zhang, Kai, Xiong, Jian, Fan, Shengfang, Xue, Yaosuo

“…Modular multilevel converters (MMCs) become popular in high-voltage dc transmission systems; however, their applications in medium-voltage (MV) motor drives…”
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Optimal trajectory based start-up control of LCC resonant converter for X-ray generator applications by Zhang, Shanlu, Li, Lei, Zhao, Zhennan, Fan, Shengfang, Wang, Cheng

“…LCC series–parallel resonant converter (LCC-SPRC) is the preferred high voltage DC power supply (HVPS) topology for medical X-ray imaging generator…”
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Digital Implementation of LCC Resonant Converters for X-ray Generator with Optimal Trajectory Startup Control by Zhao, Zhennan, Zhang, Shanlu, Li, Lei, Fan, Shengfang, Wang, Cheng

“…High voltage LCC resonant converters have been widely used in X-ray imaging systems in automobile nondestructive testing (NDT) applications. Low ripple voltage…”
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New modular multilevel converter with power channels between upper- and lower arms suitable for MV drives by Liqun He, Kai Zhang, Jian Xiong, Shengfang Fan, Xiaosen Chen, Yaosuo Xue

“…When a modular multilevel converter (MMC) is operated at low frequencies, the submodule (SM) capacitors will suffer from huge voltage fluctuations. This…”
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Modular multilevel converter with full-bridge submodules and improved low-frequency ripple suppression for medium-voltage drives by Liqun He, Kai Zhang, Jian Xiong, Shengfang Fan, Yaosuo Xue

“…Due to the low-frequency voltage fluctuation problem, application of modular multilevel converters (MMC) in wide-speed-range medium-voltage (MV) drives is…”
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A novel active power decoupling method for single-phase photovoltaic or energy storage applications by Shengfang Fan, Yaosuo Xue, Kai Zhang

“…Conventional single-phase inverters exhibit double line frequency power pulsating, which affects dc sources such as photovoltaic performance and battery…”
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Modulation Coordinated Voltage Balance Strategy for a Dual-T-Type Modular Multilevel Converter by Wang, Cheng, Hu, Shaoqiang, Peng, He, He, Liqun, Fan, Shengfang

“…This article presents a dual-T-type modular multilevel converter (TMMC) composed of stackable ac-dc-ac power cells. Each cell is constructed by two…”
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Output Voltage Ripple Suppression of PPSS-LCC Converter for Medical X-Ray Application Based on Repetitive Control by Lin, Chudi, He, Liqun, Fan, Mingdi, Li, Xiaohui, Fan, Shengfang, Wang, Cheng, Xue, Yaosuo

“…The primary-parallel-secondary-series LCC resonant high voltage (HV) power supply with single-phase ac input has been widely applied for medical X-ray…”
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An improved control system for modular multilevel converters featuring new modulation strategy and voltage balancing control by Shengfang Fan, Kai Zhang, Jian Xiong, Yaosuo Xue

“…Modular multilevel converter becomes one of the most promising high power converters thanks to their modular structure design, distributed dc capacitors,…”
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Low-Frequency Ripple Suppression for Medium-Voltage Drives Using Modular Multilevel Converter With Full-Bridge Submodules by He, Liqun, Zhang, Kai, Xiong, Jian, Fan, Shengfang, Xue, Yaosuo

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Repetitive control scheme for circulating current suppression in modular multilevel converters by Liqun He, Kai Zhang, Jian Xiong, Shengfang Fan

“…Modular multilevel converters (MMC) are intensively researched and developed in high power, high/medium voltage applications. However, the interaction between…”
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A single-stage single-switch transformerless buck-buck converter with constant input power factor in the entire operational range by Yu Chen, Zhihao Zhong, Shengfang Fan, Yong Kang

“…A single-stage single-switch (S4) converter integrating a buck-type power factor correction (PFC) cell and a buck-type dc-dc output cell is presented in this…”
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A novel indirect current control for single-phase PWM rectifier at low switching frequency by Shengfang Fan, Wencai Zhao, Liqun He, Kai Zhang

“…This paper presents a novel indirect current control technique applied to a Single-Phase PWM rectifier to increase power factor and reduce harmonic current. It…”
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The research of single-phase PWM rectifier based on direct current control technology by Li Taofeng, Ouyang Hui, Kang Yong, Xiong Jian, Fan Shengfang, Zhang Kai, Zhang Pengju

“…The circuit and corresponding steady state vectors' relationship of single-phase PWM rectifier using IGBTs (insulated gate bipolar transistors) is analyzed,…”
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Improved Particle Swarm Optimization Algorithm based Model Parameter Identification of Tube Current in High Voltage Power Supply for X-ray Machine by Lin, Chudi, He, Liqun, Fan, Shengfang, Jiang, Junjie, Cheng, Hong, Jin, Yongtai

“…High voltage power supply with X-ray tube serves as the key component of X-ray machine. The tube current is essential to X-ray generation as well as tube…”
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Modeling and Digital Control of 100kV/50kW High Voltage Power Supply based on PPSS-LCC for X-ray generator by Lin, Chudi, He, Liqun, Li, Xiaohui, Xie, Menxi, Cheng, Linqian, Fan, Shengfang

“…For the high-voltage (HV) DC power supply feeding X-ray generator, LCC resonant converter with primary-parallel-secondary-series (PPSS) configuration is…”
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An Optimized Start-up Method for Modular Cascaded AC/DC Power Electronic Transformer with Minimized Input-Inrush Current in Dual Active Bridge by Cheng, Linqian, Li, Xiaohui, He, Liqun, Xie, Menxi, Yang, Yong, Fan, Shengfang, Fan, Mingdi

“…The modular cascaded power electronic transformers (PETs) designed for interfacing AC and DC grids are mostly composed of active front end (AFE) and dual…”
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