Search Results - "Gou, Ruifeng"

A Virtual Impedance Optimization Method for Reactive Power Sharing in Networked Microgrid by Zhu, Yixin, Zhuo, Fang, Wang, Feng, Liu, Baoquan, Gou, Ruifeng, Zhao, Yangjie

“…Unlike the typical microgrid with a common ac bus, networked microgrid always suffers more serious reactive power sharing issues due to its complex inner…”
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A Simplified Analytical Calculation Model of Average Power Loss for Modular Multilevel Converter by Yang, Limin, Li, Yaohua, Li, Zixin, Wang, Ping, Xu, Shukai, Gou, Ruifeng

“…Modular multilevel converters (MMCs) have been widely used in voltage source converter HVdc, and the capacity of MMCs has reached 1000 MW. The accurate…”
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Power Module Capacitor Voltage Balancing Method for a ±350-kV/1000-MW Modular Multilevel Converter by Li, Zixin, Gao, Fanqiang, Xu, Fei, Ma, Xun, Chu, Zunfang, Wang, Ping, Gou, Ruifeng, Li, Yaohua

“…This letter focuses on the power module (PM) capacitor voltage balancing of a \pm 350 -kV/1000-MW modular multilevel converter (MMC). For this MMC, the current…”
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Research on 1100-kV/5500-A Ultra-High Voltage Thyristor Valve Key Technology and Its Application by Gou, Ruifeng

“…As direct current (dc) voltage and current increase to 1100 kV and 5455 A, respectively, ultra-high voltage (UHV) thyristor valve will be in complicated…”
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A 320kV hybrid HVDC circuit breaker based on thyristors forced current zero technique by Lei Feng, Ruifeng Gou, Xiaoping Yang, Feng Wang, Fang Zhuo, Shuhuai Shi

“…This paper presents a hybrid HVDC circuit breaker topology with bidirectional interruption based on thyristors forced current zero technique for voltage…”
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Development of a 10kV solid-state DC circuit breaker based on press-pack IGBT for VSC-HVDC system by Lei Feng, Ruifeng Gou, Fang Zhuo, Xiaoping Yang, Fan Zhang

“…With the rapid development of power electronics technology, the voltage source converter-high voltage DC (VSC-HVDC) has been drawn more attention. DC circuit…”
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Loss Optimization of MMC by Second-Order Harmonic Circulating Current Injection by Yang, Limin, Li, Yaohua, Li, Zixin, Wang, Ping, Xu, Shukai, Gou, Ruifeng

“…For high power voltage source converter based high voltage direct current transmission systems, modular multilevel converter (MMC) is the most popular circuit…”
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Research on the current commutation in a novel hybrid HVDC circuit breaker by Lei Feng, Ruifeng Gou, Xiaoping Yang, Fang Zhuo, Shuhuai Shi

“…Recent development renewable energy increases the requirement in constructing multi-terminal HVDC systems or HVDC grids. To increase the system reliability, an…”
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Voltage balancing optimization of series-connected IGBTs in solid-state breaker by using driving signal adjustment technique by Fan Zhang, Xu Yang, Yu Ren, Chen Li, Ruifeng Gou

“…Hybrid or solid-state DC breakers offers new possibilities for development of a large scale high voltage direct current (HVDC) grid by simplifying the DC…”
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Comparison of DMPPT PV system with different topologies by Feng Wang, Ruifeng Gou, Tianhua Zhu, Yan Yang, Fang Zhuo

“…Residential PV systems always suffer from a power loss that results in poor performance due to a mismatched case under real conditions. Addressing and…”
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Active gate charge control strategy for series-connected IGBTs by Fan Zhang, Xu Yang, Yu Ren, Ying Chen, Ruifeng Gou

“…Insulated gate bipolar transistors (IGBTs) are usually connected in series to satisfy the requirements of high-power and high-voltage in power electronics…”
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Power Module Capacitor Voltage Balancing Method for a plus or minus 350-kV/1000-MW Modular Multilevel Converter by Li, Zixin, Gao, Fanqiang, Xu, Fei, Ma, Xun, Chu, Zunfang, Wang, Ping, Gou, Ruifeng, Li, Yaohua

“…This letter focuses on the power module (PM) capacitor voltage balancing of a $\pm 350$ -kV/1000-MW modular multilevel converter (MMC). For this MMC, the…”
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Research on Large Current Interruption of Solid-State Switch for a Hybrid DCCB by Feng, Lei, Gou, Ruifeng, Yang, Xiaoping, Zhuo, Fang, Wang, Feng

“…Solid-state switch is the key component of current interruption for the hybrid dc circuit breaker (DCCB). This paper presents a novel hybrid DCCB topology with…”
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Type and characteristic analysis of fault current limiter by Feng Lei, Gou Ruifeng, Zhang Wanrong, Yang Xiaoping

“…With the development of power system, the capacity has been increasing. So configuring large power supply in high load density grids and interconnections…”
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The analysis and experiment of dc-link short-circuit of modular multilevel converter based high voltage direct current system by Zhandong Sun, Fanqiang Gao, Zixin Li, Yongjie Luo, Ping Wang, Yaohua Li, Xiaoping Yang, Ruifeng Gou

“…The dc-link pole to pole short circuit is one of the most serious fault of a modular multilevel converter. Because of this, it is also one of the most…”
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Research on voltage balance control of Modular Multilevel Converter for low frequency operation by Xiaoxin Wang, Qiongxuan Ge, Shutian Zhang, Ruifeng Gou, XiaoPing Yang, YaoHua Li

“…This paper analyses the reason of module capacitor voltage fluctuation when the Modular Multilevel Convertor (MMC) provide low frequency output voltage to…”
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The Arrester Protection Study for Valve Side of Highest Potential Converter Transformer in ± 800kV UHVDC Project by Zhou Xiaoqin, Lv Jinzhuang, Gou Ruifeng, Zhao Jie

“…There are some characteristics for the arrangement schemes of surge arrester for ± 800 kV UHVDC transmission line converter station. One of them is that some…”
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Study on the Trigger System Design of STATCOM by Chunyan Zang, Junjia He, Zhenjiang Pei, Ruifeng Gou, Jing Zhu, Wei Sun

“…In the study of STATCOM, the control theory and method has become increasingly mature, but how to make use of the high performance microprocessors and new…”
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Pre-charging control strategies of modular multilevel converter by Yu, Yang, Ge, Qiongxuan, Lei, Ming, Wang, Xiaoxin, Yang, Xiaoping, Gou, Ruifeng

“…Based on a novel multilevel voltage source converter (VSC) used for electric drive, the pre-charging process of the converter is fully analyzed, so as to find…”
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Study for Arrangement of the Smoothing Reactor in ±800kV UHVDC Project by Cheng Xiaoxuan, Lv Jinzhuang, Ruifeng, G., Zhao Jie

“…Normally, the smoothing reactor in plusmn500 kV HVDC system is installed on the pole bus. It's the first time for the application in UHVDC project of the 50/50…”
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