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25篇 您的检索式:作者名="Wenxia Sima"
    题名 作者 年代 出处 被引量
1Analysis on Phase Arrangement and Transposition Modes for UHV DC and Double-circuit EHV AC Transmission Line Built on the Same Tower显示文摘SIMA Wenxia ZHOU Yuan YUAN Tao YANG Qing SUN Shujie Gilles Tremouille 2012高电压技术2012,38,12:5
2Radiant Discharge Development Model for Polluted Surface Along Short Plate Under DC Voltage显示文摘为了能够深入了解污秽沿面放电的机制,将电弧等效为带电粒子流,基于流体力学知识来研究电弧的发展规律。通过电弧受力分析和局部电弧头部流注长度随温度变化的计算,阐述电弧的发展和闪络形成过程。根据能量守恒定律,将电弧中带电粒子流的集体运动等效为一个可以产生辐射的阻抗,由此建立了电弧发展的电路方程模型,并且计算了污闪的临界电压、临界电流和临界电弧长度,然后将其与早期模型计算结果和试验值进行了比较。研究表明,所提出的模型计算结果与试验结果保持一致,并在预测临界闪络条件准确度上优于早期计算模型。通过引入电弧辐射常数解释了模型中所取实验常数的物理意义,深化了电弧特性的物理内涵。SIMA Wenxia GUO Fusheng YANG Qing YUAN Tao WANG Rui 2012中国电机工程学报2012,32,22:2
3Classification and Identification of Over-voltage Based on HHT and SVM显示文摘WANG Jing YANG Qing CHEN Lin SIMA Wenxia 2012高电压技术2012,38,8:2
4Modelling of the inhibition effect of thin-wire ultra-corona on upward leader and its application on lightning protection in high-voltage transmission lines显示文摘Sima Wenxia Fan Shuochao Yang Qing 2014IET Generation Transmission&Distribution2014,8,5:1
5Chinese Transmission Lines' Icing Characteristics and Analysis of Severe Ice Accidents显示文摘Jiang Xingliang Shu Lichun Sima Wenxia 2004International Journal of Offshore and Polar Engineering2004,14,3:1
6Stage pre- warning based on leakage current characteristics before contamination flashover of porcelain and glass insulators 显示文摘LI Jingyan SUN Caixin SIMA Wenxia 2009IET Generation Transmission & Distribution2009,3,7:1
7Study of flashover performance and voltage correction of DC insulator in icing districts of altitude of 2500m and below显示文摘 Jiang Xingliang Sima Wenxia 2002IWAIS 2002 Bmo Czech Republic2002,2002,:1
8Experimental study of the discharge area of soil breakdown under surge current using X-ray imaging technology 显示文摘Sima Wenxia Liu Sanwei 2015IEEE Transactions on Industry Appilcations2015,,99:1
9Chinese transmission lines’icing characteristics and analysis of severe ice accidents显示文摘JIANG Xingliang SHU Lichu SIMA Wenxia 2004International Journal of Offshore and Polar Engineering2004,14,3:1
10Optimization of transmission-line route based on lightning incidence reported by the lightning location system显示文摘Li Yongfu Yang Qing Sima Wenxia 2013IEEE Transactions on Power Delivery2013,28,3:1
11Use of leak- age currents of insulators to determine the stage character- istics of the flashover process and contamination level pre- diction显示文摘LI Jingyan SIMA Wenxia SUN Caixin 2010IEEE Transactions on Dielectrics and Electrical Insulation2010,17,2:1
12Use of leakage currents of insulators to determine the stage characteristics of the flashover process and contamination level prediction显示文摘Li J Sima Wenxia Sun Caixin 2010IEEE Transactions on Dielectrics and Electrical Insulations2010,17,2:1
13Space charge dynamics investigation based on kerr electro-optical measurements and gray scale processing of CCD images 显示文摘Shi Jian Yang Qing Sima Wenxia 2013IEEE Transactions on Dielectrics and Electrical Insulation2013,20,2:1
14Contamination level prediction of insulators based on the characteristics of leakage current显示文摘Li Jingyan Sun Caixin Sima Wenxia 2010IEEE Transactions on Power Delivery2010,25,1:1
15Stage pre-warning based on leakage current characteristics before contamination flashover of porcelain and glass insulators显示文摘Li Jingyan Sun Caixin Sima Wenxia 2009IET Trans on Generation Transmission & Distribution2009,3,7:1
16Use of leakage currents of insulators to determine the stage characteristics of the flashover process and contamination level prediction 显示文摘Li Jingyan Sun Caixin Sima Wenxia 2010IEEE Transactions on Dielectrics and Electrical Insulation2010,17,2:1
17Use of leakage currents of insulators to determine the stage characteris- tics of the flashover process and contamination level prediction显示文摘LI J ingyan SIMA Wenxia SUN Caixin 2010IEEE Trans on Dielectrics and Electrical Insulation2010,17,2:1
18A new estimation model of the lightning shielding performance of transmission lines using a fractal approach显示文摘Li Jianhiao Yang Qing Sima Wenxia 2011IEEE Transactions on Die- lectrics and Electrical Insulation2011,18,5:1
19Use of leak- age currents of insulators to determine the stage character- istics of the flashover process and contamination level pre- diction显示文摘LI Jingyan SIMA Wenxia SUN Caixin 2010IEEE Transactions on Dielectrics and Electrical Insulation2010,17,2:1
20Enhancement of Soil Discharge Channels on Potential Surrounding Buried Cables Under Impulsive Currents显示文摘Substations have a large number of signal transmission cables beneath the ground.Both the insulation safety and signal reliability of the cables are affected severely by the electromagnetic field.Under high-amplitude impulsive currents,the dispersion of currents can cause soil discharge and thus cause unexpected distortions in an electromagnetic field.This paper focuses on the distortions of the electric field.In general,soil discharge channels occur in the vicinity of the independent rod.Closer development of the channel might enhance the electric field distribution and the potential surrounding the outer insulation of the cables(i.e.the surface potential on the cable).Therefore,this paper establishes a platform for observing the soil discharge channel and measuring the surface potential.Direction characteristic of the channel is extracted from the captured image of soil discharge channels and the surface potential is obtained by the measured coupling capacitive current on the shield experimentally.This paper also presents an improved model considering a dynamic growing discharge channel for the transient analysis of the grounding electrode.Study results show the surface potential increases as the discharge channel approaches the cable.To quantify this enhancement effect,the ratio of the highest to the lowest value of surface potential in different directions is taken as the multiple of the surface potential increase.The calculated multiples of the surface potential increase are in the range of 1 to 1.64 times under different conditions by the improved model.Therefore,taking the soil discharge channel into account is helpful to accurately analyze the impulsive interference of buried cables.Wenxia Sima Xiaochuan Li Tao Yuan Ming Yang Donghui Luo Jialun Li 2022CSEE Journal of Power and Energy Systems2022,8,6:1
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