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LIU Xue,ZHAO Lu,MA Chengyao,FAN Enze,GE Qiongxuan
Abstract:High-frequency transformers are an essential component in series-resonant DC/DC converters,andtheir stable operation has a decisive impact on the reliability,efficiency,and power density of power supplysystems. Nanocrystalline magnetic cores are widely used due to their advantages of high saturation magneti...
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Number of views:1768 Amount of downloads:4985
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LIU Qiwei,ZENG Jiang
Abstract:In view of the need to test the operation of power electronic equipment under various workingconditions in the current new power system,a control strategy using linear auto-disturbance rejection technologywas proposed to study the power grid simulator with line impedance simulation function. On this basis,i...
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Number of views:1507 Amount of downloads:4981
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LI Yangyang,HU Jinlei,LAI Junju,WANG Wei,YANG Fan
Abstract: Aiming at the on-site live detection data of switchgear,a mean-shift clustering algorithm based onmulti-dimensional feature quantity was proposed to identify the abnormal partial discharge of switchgear. Theswitchgear partial discharge detection data which include dispersion,average distance percentage,con...
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Number of views:4565 Amount of downloads:4981
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SUN Ke,WANG Lei,YANG Xuan,WENG Hua,SUN Yikai,ZHENG Jiehui
Abstract: How to coordinate between power grid safety,low carbon and economic costs to achieve themaximum social benefits has a great impact on the "double carbon" strategic goal put forward by Chinagovernment. Therefore,a multi-objective optimization method for elastic power grid considering resilience indexwas pro...
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Number of views:2284 Amount of downloads:4968
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NIU Shengsuo,WU Zhenan,HUANG Shengpo
Abstract: The test of the internal cable conductivity of the traditional bullet train is time-consuming andlaborious,which increases the probability of false detection,seriously affects the accuracy and reliability of cabledetection results of bullet trains,and greatly reduces the safety and stability of bullet trai...
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Number of views:4386 Amount of downloads:4965
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SHEN Hangyu,FAN Xiaochao,SHI Ruijing,WANG Weiqing, WANG Haiyun,CHENG Zhijiang
Abstract: In order to solve the problem of heat dissipation in the process of producing hydrogen fromelectrolytic water and generating electricity from fuel cells,an independent photohydrogen fuel cell thermoelectriccombined supply system was designed according to the principle of water cooling heat dissipation betw...
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Number of views:3256 Amount of downloads:4964
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ZHAO Chencong,XIE Zhouhua,ZHOU Feihang
Abstract:Unbalanced grid voltage will affect the normal grid connection operation of the wind energyconversion system(WECS),resulting in fluctuations in system output power and distortion of output current. Inaddition,in the actual permanent magnet synchronous wind power system,there may be uncertainties in thenetwo...
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Number of views:1490 Amount of downloads:4960
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REN Juan,SONG Haiming,XIN Chaoshan,WEI Junchen
Abstract:Energy storage is a kind of high-quality flexible resource to deal with the uncertainty of powersystems with high penetration of new energy. It is of great significance to develop an optimized operation strategyfor energy storage that meets the uncertain demands of the system while considering the life loss...
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Number of views:1252 Amount of downloads:4954
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TANG Lan,HUANG Liwen,WANG Chenglei
Abstract:A K-means clustering algorithm was proposed and a conditional Wasserstein generative adversarialnetwork with gradient penalty(CWGAN-GP)to address the problem of imbalanced photovoltaic generation datacaused by the low occurrence probability of extreme weather. A prediction approach combining bidirectional l...
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Number of views:1232 Amount of downloads:4953
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LIU Xiaodong,SUN Lunan,LIU Yawei,GUAN Peng,RONG Xifeng
Abstract: In order to meet the needs of the testing laboratory's task scheduling and process design functions,the new applications were developed based on the existing laboratory information management system,such asscheduling system and process designer. According to the type and priority of the test task,the t...
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Number of views:4817 Amount of downloads:4950
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FANG Lei,XU Jun,ZHAO Yi,XING Xiaofan,MAO Huan
Abstract:The traditional technical line loss prediction method of low voltage station area has some problems,such as relatively extensive calculation,requiring underlying physical topology,and relying on influencecharacteristic data. In recent years,a technical line loss and meter error joint estimation technical ro...
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Number of views:1585 Amount of downloads:4948
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MA Zhiyuan,HUANG Haihong
Abstract: With the increasing popularity of renewable energy sources such as photovoltaics and wind power,improving the reliability and stability of grid-connected system operation has become a key technology in thesystem. Affected by the dynamic characteristics of the grid,if the traditional droop control is still ...
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Number of views:3539 Amount of downloads:4931
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ZHAO Kuanxiang,YOU Jiawei,LIU Hongxun,LING Yuesheng,TIAN Rui
Abstract: The electrolytic capacitor is used as the energy storage element in the traditional LED power supply.The life of electrolytic capacitor is short which limits the life of LED power supply. In order to improve the servicelife of the power supply,a single-stage low switch stress structure was proposed on the ...
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Number of views:4789 Amount of downloads:4930
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REN Hao,QIU Xiaoyan,ZHANG Zhirong,SUN Xu,ZHANG Mingke
Abstract: With the development of electric vehicle(EV),there are a large number of EV charging load in thepower grid. Because of its unique advantages,AC/DC microgrid is more convenient for the access of AC slowcharging pile and DC fast charging pile. However,large-scale EVs integration will bring impact to the powe...
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Number of views:4726 Amount of downloads:4920
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TONG Zhan' anxin,SU Jianhui,ZHANG Jian,DU Yan
Abstract: The requirements for wireless charging of automated guided vehicle(AGV)batteries are low voltageand high current,full-wave-synchronous-rectification(FWSR)can improve efficiency and reduce costs. Firstly,AGV wireless charging topology and working principle were introduced in detail. Secondly,aiming at the p...
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Number of views:3008 Amount of downloads:4919