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Dive into the research topics where Zhiwen Yu is active.

Publication


Featured researches published by Zhiwen Yu.


International Journal of Computer and Electrical Engineering | 2013

Parallel-Connected Solar Photovoltaic with Ultra Low Voltage DC/DC Converter

Zhiwen Yu; Da Xie; Junqi Feng

—In series-connected wiring scheme, the residual energy generated by partially shaded cells cannot be collected or, worse, impedes collection of power from the remaining fully illuminated cells. In this paper, a parallel-connected topology is introduced to PV panel. Each cell, connected to the dc bus paralleled with a special converter, is treated as a voltage source. The dc-dc converter is introduced to realize the method, which could work under an ultra-low-voltage (ULV). Efficiency comparison is discussed with a valid calculation. Experiments about the converter, PV cell and the parallel-connected panel are given. The results show that the novel system has a good working characteristic and the efficiency is higher than that of the conventional.


Archive | 2012

Power saving device with harmonic suppression and voltage stabilization functions

Da Xie; Zhiwen Yu; Xinhui Qiao; Yujian Jia; Yanchi Zhang


Archive | 2012

Generator excitation control system for dynamic simulation experiments

Da Xie; Xinyu Fang; Zhiwen Yu; Yanchi Zhang; Junpeng Zhuang; Chuanwen Jiang; Qian Ai; Wei He


Archive | 2012

Generator speed regulation control system for dynamic simulation experiments

Da Xie; Xinyu Fang; Zhiwen Yu; Yanchi Zhang; Junpeng Zhuang; Chuanwen Jiang; Qian Ai; Wei He


Archive | 2012

Ultra-low-voltage booster circuit for solar power generation

Da Xie; Zhiwen Yu; Yujian Jia; Qian Ai; Xinyu Fang; Gaowei Liu


Archive | 2012

Generator top layer monitoring device for dynamic simulation experiment of electric power system

Da Xie; Xinyu Fang; Zhiwen Yu; Yanchi Zhang; Junpeng Zhuang; Chuanwen Jiang; Qian Ai; Wei He


international power electronics and motion control conference | 2012

EV battery charger that uses Z-source AC/AC converter

Xinyu Fang; Da Xie; Zhiwen Yu; Junqi Feng; Qian Ai


Archive | 2012

Generator bottom layer monitoring system for dynamic simulation experiment of electric power system

Da Xie; Xinyu Fang; Zhiwen Yu; Yanchi Zhang; Junpeng Zhuang; Chuanwen Jiang; Qian Ai; Wei He


Archive | 2012

Household-type voltage-reduction energy-saving device

Da Xie; Zhiwen Yu; Xinhui Qiao; Yujian Jia; Yanchi Zhang


Archive | 2012

Three-loop control algorithm of static var generator

Da Xie; Yujian Jia; Jingjing Lu; Zhiwen Yu; Junpeng Zhuang; Chuanwen Jiang; Qian Ai; Wei He; Yu Pan

Collaboration


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Da Xie

Shanghai Jiao Tong University

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Xinyu Fang

Shanghai Jiao Tong University

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Yanchi Zhang

Shanghai Jiao Tong University

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Chuanwen Jiang

Shanghai Jiao Tong University

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Junqi Feng

Shanghai Jiao Tong University

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Qian Ai

Shanghai Jiao Tong University

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