Search Results - "Pan, Zhuohong"

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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ARMAX-Based Transfer Function Model Identification Using Wide-Area Measurement for Adaptive and Coordinated Damping Control by Hesen Liu, Lin Zhu, Zhuohong Pan, Feifei Bai, Yong Liu, Yilu Liu, Patel, Mahendra, Farantatos, Evangelos, Bhatt, Navin

“…One of the main drawbacks of the existing oscillation damping controllers that are designed based on offline dynamic models is adaptivity to the power system…”
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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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Data quality issues for synchrophasor applications Part I: a review by HUANG, Can, LI, Fangxing, ZHOU, Dao, GUO, Jiahui, PAN, Zhuohong, LIU, Yong, LIU, Yilu

“…Synchrophasor systems, providing low-latency, high-precision, and time-synchronized measurements to enhance power grid performances, are deployed globally…”
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Experiment on the Hillside Effects of Lightning Shielding of Ultrahigh Voltage Common Tower Double-Circuit Transmission Lines by Liu, Zongxi, Wen, Xishan, Wang, Yu, Pan, Zhuohong, An, Yunzhu

“…To study the lighting shielding of ultrahigh voltage (UHV) transmission lines across mountains and the hillside effects on discharge process, experiments have…”
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Theoretical and Experimental Evaluation of the Temperature Distribution in a Dry Type Air Core Smoothing Reactor of HVDC Station by Wang, Yu, Chen, Xiaoyue, Pan, Zhuohong, Lu, Hailiang, Wen, Xishan, Jiang, Zhipeng, Chen, Bin, Chen, Tuteng

“…The outdoor ultra-high voltage (UHV) dry-type air-core smoothing reactors (DASR) of High Voltage Direct Current systems are equipped with a rain cover and an…”
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Rotor angle stability and inter-area oscillation damping studies on the U.S. Eastern Interconnection (EI) under high wind conditions by Gefei Kou, Zhuohong Pan, Till, Micah, Yilu Liu, Hadley, Stanton, King, Tom

“…This paper studies the impact of wind generation on generator rotor angle and inter-area oscillation stability. A comparative simulation study is conducted…”
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Adaptive wide-area damping control using measurement-driven model considering random time delay and data packet loss by Lin Zhu, Hesen Liu, Zhuohong Pan, Yilu Liu, Farantatos, Evangelos, Patel, Mahendra, McGuinness, Sean, Bhatt, Navin

“…One of the main drawbacks of the existing wide-area damping controller (WADC) that are usually tuned based on several selected typical operating conditions, is…”
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Comparison of MIMO system identification methods for electromechanical oscillation damping estimation by Hesen Liu, Lin Zhu, Zhuohong Pan, Jiahui Guo, Jidong Chai, Wenpeng Yu, Yilu Liu

“…The paper presents two groups of measurement based multi-inputs, multi-outputs (MIMO) system identification approaches, which are subspace state-space…”
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Condition Assessment of Composite Insulators Based on Thermally Stimulated Current Method by Jianghua, Kuang, Zhenyu, Chen, Zhuo, Chen, Xiangwei, Tong, Longyu, Kang, Zhuohong, Pan

“…In order to study the health of composite insulators and to perform a quantitative characterisation and comprehensive assessment, a test method based on the…”
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Development and Application of a Flexible Indication Device for Grounding Wire Status by Qi, Yang, Chunxue, Chen, Lin, Jiang, Zijian, Jia, Bo, Zhang, Zhuohong, Pan

“…In the process of electrical equipment maintenance, it is especially important to eliminate personal injury accidents caused by false hanging of grounding…”
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Simulation of Transformer DC Bias Caused by Dynamic Stray Current by Junqiang, Gong, Long, Chen, Dachuan, Fang, Kai, Wang, Guangyi, Yu, Zhuohong, Pan

“…The stray current of rail transit system causes DC bias issues of transformers in urban power grid. Under the action of dynamic stray current, the transformer…”
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Vibration Measurement and Data Analysis on Transformer Site by Long, Chen, Jingzhuo, Zhang, Kaimin, Huang, Dachuan, Fang, Zhenmin, Xiao, Zhuohong, PAN

“…As the core equipment of the power system, the safe and stable operation of the transformer is the premise to ensure the stability of the entire power grid. It…”
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A New Monitoring Method for the Dynamic Stray Current Intrusion of Subways by Fengge, Yang, Yue, Liu, Jianlin, Rao, Shuyu, Li, Zixuan, Liu, Zhuohong, Pan

“…Metro dynamic stray current invades urban power grid, which leads to DC bias hazard of transformer. In view of the shortcomings of the current dynamic stray…”
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Impact of GPS Signal Loss and Its Mitigation in Power System Synchronized Measurement Devices by Yao, Wenxuan, Liu, Yong, Zhou, Dao, Pan, Zhuohong, Till, Micah J., Zhao, Jiecheng, Zhu, Lin, Zhan, Lingwei, Tang, Qiu, Liu, Yilu

“…With the aid of global positioning system (GPS), synchronized measurement devices (SMDs) are increasingly deployed across power systems to monitor the status…”
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Earth surface potential induced by ground-return current of HVDC Links - Part II: Numerical analysis and its applications by Xishan Wen, Wei Li, Hailiang Lu, Zhuohong Pan

“…In the first part of this paper, the methodologies of earth resistivity measurement and estimation have been studied. The horizontal layered soil (HLS) model…”
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Numerical Simulation and Field Test of the Transient Temperature Rise of HVdc Grounding Electrodes by Wang, Yu, Pan, Zhuohong, Zha, Zhipeng, Tan, Bo, Wen, Xishan, Liu, Yu, Zhang, Jingzhuo, Lan, Lei

“…This paper investigates the temperature rise of vertical/horizontal high-voltage direct current (HVdc) grounding electrodes by simulations and field tests…”
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Earth surface potential induced by ground-return current of HVDC links - Part I: Measurement and estimation of the earth resistivity by Zhuohong Pan, Wei Li, Chenlei Liu, Hailiang Lu, Xishan Wen

“…During the commissioning stage or pole outage of high-voltage direct current (HVDC) links, ground-return currents (GRCs) are injected into dc grounding…”
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A transformer neutral current balancing device to restrain half-cycle saturation induced by HVDC monopolar operations by Pan, Zhuohong, Wang, Xiaomao, Mei, Guihua, Liu, Yong, Yao, Wenxuan, Liu, Hesen, Wen, Xishan

“…•The neutral DC balancing device leads a new direction of mitigating half-cycle saturation.•Mechanism, simulation model, hardware architecture, and control…”
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