Search Results - "Wen, Xishan"

Potential Compensation Method for Restraining the DC Bias of Transformers During HVDC Monopolar Operation by Pan, Zhuohong, Wang, Xiaomao, Tan, Bo, Zhu, Lin, Liu, Yong, Liu, Yilu, Wen, Xishan

“…The earth return currents (ERCs) of high-voltage direct current transmission can cause severe half-cycle saturation of transformers. This study presents a…”
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Extraction of Factors Strongly Correlated with Lightning Activity Based on Remote Sensing Information by Zhang, Haochen, Deng, Yeqiang, Wang, Yu, Lan, Lei, Wen, Xishan, Fang, Chaoying, Xu, Jun

“…Thunderstorms are a common natural phenomenon posing significant hazards to power systems, structures, and humans. With technological advancements, protection…”
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HVDC Ground Return Current Modeling in AC Systems Considering Mutual Resistances by Pan, Zhuohong, Zhang, Lu, Wang, Xiaomao, Yao, Hui, Zhu, Lin, Liu, Yong, Wen, Xishan

“…Ground return currents (GRCs) in ac systems generated by HVDC monopolar operations can result in half-cycle saturation of transformers. Considering the ground…”
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Influence of Deep Earth Resistivity on HVDC Ground-Return Currents Distribution by Li, Wei, Pan, Zhuohong, Lu, Hailiang, Chen, Xiaoyue, Zhang, Lu, Wen, Xishan

“…During monopolar operation or commissioning of high-voltage direct-current (HVdc) links, ground-return current (GRC) leads to power transformer dc bias issues…”
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Open‐phase temporary overvoltage before and after an intermediate subsation accessing a long distance transmission line by Xiaoyue, Chen, Zeyu, He, Huashi, Wu, Hailiang, Lu, Yu, Wang, Lei, Lan, Xishan, Wen

“…In transmission lines, shunt‐reactors are commonly applied to counteract the “Ferranti effect.” However, in highly compensated lines, hazardous overvoltage may…”
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Analysis of soil impulse discharge characteristics based on optical‐electrical synchronous observation by Li, Yuanjie, Li, Chun, Lu, Hailiang, Liu, Gang, Cai, Hansheng, Chen, Huaifei, Lan, Lei, Wen, Xishan

“…The impulse performance of grounding electrodes highly depends on soil impulse discharge characteristics. The analysis of soil discharge dynamic process images…”
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Analysis of Nonlinear Characteristics for a Three-Phase, Five-Limb Transformer Under DC Bias by Xiaoping Li, Xishan Wen, Markham, P N, Yilu Liu

“…Monopole HVDC systems create dc current flow in the earth, which can cause the grounding location potential to rise relative to infinite spot and alters the…”
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Study on the Effective Ionization Rate of Atmospheric Corona Discharge Plasmas by Considering Humidity by Wen, Xishan, Yuan, Xiaoqing, Lan, Lei, Long, Mengjiao, Hao, Lu

“…Atmospheric corona discharge plasmas are the most common diversely occurrence in the electric power system. In this paper, four elementary processes occurred…”
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Impulse Characteristics of Tower Grounding Devices Considering Soil Ionization by the Time-Domain Difference Method by Feng, Zhiqiang, Wen, Xishan, Tong, Xuefang, Lu, Hailiang, Lan, Lei, Xing, Pengxiang

“…Knowledge of impulse characteristics of tower grounding devices is important for lightning protection of the transmission lines. In this paper, the time-domain…”
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Soil impulse ionisation model based on dynamic changes of electric field by Wen, Xishan, Li, Chun, Chen, Jiahao, Tong, Xuefang, Mei, Hao, Zhou, Guangyuan, Xu, Bichuan, Lu, Hailiang

“…Soil ionisation has an important influence on impulse characteristics of grounding conductor. This paper introduced improvements to an existing soil ionisation…”
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Hazard evaluation of ground potential difference within grounding grid on personal safety under impulse current by Li, Chun, Wen, Xishan, Guo, Lei, Chen, Jiafeng, Chen, Jiahao, Lu, Hailiang

“…Due to the impedance characteristic of conductor, the ground potential rise is different within grounding grid when impulse current is injected. When staff…”
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Breakdown characteristics of long air gap with negative polarity switching impulse by Wang, Yu, Wen, Xishan, Lan, Lei, An, Yunzhu, Dai, Min, Gu, Dingxie, Li, Zhijun

“…Breakdown characteristics of air gaps under negative switching impulse are complicated. To better understand the nonlinear discharge characteristics of long…”
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The Influence of Natural Contamination on Pollution Flashover Voltage Waveform of Porcelain Insulators in Heavily Polluted Area by Lan, Lei, Zhang, Gongda, Wang, Yu, Wen, Xishan, Wang, Wei, Pei, Huan

“…It is significant to reveal the characteristics of voltage waveform of porcelain insulator with heavy industry pollution in flashover test. In this study, the…”
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RTV Silicone Rubber Degradation Induced by Temperature Cycling by Wen, Xishan, Yuan, Xiaoqing, Lan, Lei, Hao, Lu, Wang, Yu, Li, Shaodong, Lu, Hailiang, Bao, Zhenghong

“…[...]numerous aging problems exist in the long-term use of RTV silicone rubbers, which can cause changes in their physical and chemical properties [7,8]. Since…”
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Ablation state assessment of SF6 circuit breaker contacts based on BP neural network and mean impact value by Wu, Qiang, Wang, Yu, Wang, Yaoping, Wang, Jian, Lan, Lei, Deng, Yeqiang, Wen, Xishan, Luo, Bing, Xiao, Wei

“…In order to evaluate the ablation state of the SF6 circuit breaker contacts, simulated ablation tests were carried out on the circuit breaker, and the dynamic…”
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Automatic J–A Model Parameter Tuning Algorithm for High Accuracy Inrush Current Simulation by Wen, Xishan, Zhang, Jingzhuo, Lu, Hailiang

“…Inrush current simulation plays an important role in many tasks of the power system, such as power transformer protection. However, the accuracy of the inrush…”
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Equivalent circuit model of tower based on full-wave analysis by Li, Chun, Wang, Shengfu, Wang, Wei, Zhang, Chenglei, Jiang, Ling, Wen, Xishan, Lu, Hailiang

“…The tower model is very important for the assessment of lightning protection for transmission line. The parameters of tower model mainly rely on the impulse…”
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Study on the relationship between the characteristics of water droplets on the shed of composite insulators and the pollution flashover voltage by Wang, Wei, Lu, Hailiang, Li, Chun, Deng, Yeqiang, Lan, Lei, Wen, Xishan, Luo, Bing, Xiao, Wei

“…The anti-pollution flashover characteristic of composite insulators is the main indicators to evaluate their electrical performance, and the pollution…”
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A scientific writing pedagogy and mixed methods assessment for engineering education using open-coding and multi-dimensional scaling by Tao, Jinsong, McClure, Stephen C., Zhang, Xiaoxing, Waqas, Muhammad, Wen, Xishan

“…Assessments of new pedagogical practices usually rely on instructor oriented surveys and questionnaires to measure student perceptions of teaching methods;…”
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Co-Planning of Demand Response and Distributed Generators in an Active Distribution Network by Yu, Yi, Wen, Xishan, Zhao, Jian, Xu, Zhao, Li, Jiayong

“…The integration of renewables is fast-growing, in light of smart grid technology development. As a result, the uncertain nature of renewables and load demand…”
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