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ZHOU Wei,JI Yuan,JIA Ting,GU Xihua,QIN Yi,BI Sibo
Abstract:In order to ensure the security of embedded-based distributed photovoltaic system data,a lightweight encryption algorithm was proposed on the basis of 128-bit advanced encryption standard(AES)for the problem of limited embedded computing resources. Firstly,the AES round function was optimized to reduce the n...
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Number of views:2675 Amount of downloads:6186
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WAN Shaoqi,WANG Bo,GUAN Wenqing,CHEN Jingbo,LÜ Congxin,DONG Haiying
Abstract:The traditional control of electromechanical actuator in aviation electromechanical servo systemmostly adopts two-level inverter and PID control,which can not achieve higher precision control of permanentmagnet synchronous motor. In view of the above problems and the difficulty of space vector modulation al...
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Number of views:2672 Amount of downloads:11455
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ZHANG Xing,LIU Pingfei,ZHANG Liuli,ZHANG Yuwei,JIN Yu,XIAO Qian
Abstract:Under the promotion of carbon peak and carbon neutrality,in order to effectively reduce the carbonemissions of distributed generators in islanded AC/DC hybrid microgrid clusters,a distributed low-carbon controlstrategy was proposed. Firstly,the topology of the islanded AC/DC hybrid microgrid cluster was giv...
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Number of views:2670 Amount of downloads:12943
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HE Kuiyuan,YU Jiangtao,ZHU Qi,CAI Hui,GUO Qian,WEI Dong
Abstract:Aiming at the adverse effects of large-scale electric vehicle charging load on the distributionnetwork,based on vehicle to grid(V2G)technology,a V2G reactive dispatching strategy combining the nondominated sorting genetic algorithm and the local optimization of global objectives algorithm was proposed. The ...
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Number of views:2670 Amount of downloads:9312
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SHI Xuelei
Abstract:Under the power grid dispatch mode of "source follows load",different AC power supply modes arerequired in the market. To meet market demand,an uninterruptible power supply(UPS)system compatible withvarious AC power supply modes was designed. The modes of the system were selected by switching devices.Accord...
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Number of views:2667 Amount of downloads:8368
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SU Qili,LIU Jiayi,RUAN Peng,ZHANG Liuli,ZHAO Yayi,XIAO Qian
Abstract:With the large-scale access of a high proportion of new energy,the frequency and voltage stabilityof the distribution network has significantly decreased. Therefore,an optimal configuration method for energystorage in the distribution network considering the improvement of frequency-voltage stability was pr...
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Number of views:2664 Amount of downloads:14255
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WANG Jiarong,DAI Guanghua,HU Liang,GAO Jingxiang
Abstract: In order to realize the application requirements of SiC power devices,a novel dual edge-triggeredisolated drive circuit was proposed. The circuit have the advantages of full isolation of driving signals,strongdriving ability,wide switching frequency range with 0 Hz~500 kHz signal transmission and strong of...
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Number of views:2663 Amount of downloads:9298
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SONG Weiqiong,GUO Shuai,HAN Liu,XU Chaoqun,SONG Wei,LÜ Fengming
Abstract:In order to monitor current distribution state of parallel silicon carbide(SiC)devices in photovoltaicinverter,a contactless monitoring solution based on anisotropic magnetoresistive sensor was proposed. Accordingto practical position of SiC devices on PCB board,multiphysics simulation tool COMSOL was emplo...
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Number of views:2662 Amount of downloads:9041
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ZHUYanxiang,LIN Hong
Abstract:Aiming at the problem of insufficient frequency modulation capability of direct-driven wind turbineunder traditional virtual inertia control,a control strategy of super capacitor assists direct-driven wind turbineparticipating in frequency modulation was proposed to improve the frequency stability of power ...
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Number of views:2655 Amount of downloads:10415
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CHENG Shiwei,ZHAO Shiwei
Abstract: To cope with the increasing demands of the application of high step-up DC-DC conversion,such asthe absorption of renewable energy,electric vehicles and aerospace,a high step-up DC-DC converter based onthree-winding coupled inductor with low voltage stress was proposed by utilizing magnetic coupling technol...
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Number of views:2654 Amount of downloads:8573
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WU Yue
Abstract:The problem of AC train passing neutral section can be solved by ground's flexible passing neutralsection method. However,for multisystem electric locomotives,the switching of power supply system in neutralzone is much more complicated,but there is little research at present. Based on the approach of ve...
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Number of views:2652 Amount of downloads:9270
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YAN Wei,MENG Jianhong,WANG Haochong,WANG Wei
Abstract:In low-temperature environments,the electrochemical reaction kinetics of lithium-ion batteriesbecome hindered,leading to accelerated capacity decay and increased internal resistance,which severely impactstheir lifespan and safety. To achieve non-destructive estimation of internal aging,a battery internal ag...
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Number of views:2651 Amount of downloads:13110
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LIANG Haisheng
Abstract:In order to further improve the accuracy of fault identification of local abnormal factors indistribution network,a digital twin based fault identification simulation of local abnormal factors in distributionnetwork was proposed. Through real-time acquisition of electrical parameters of distribution network...
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Number of views:2647 Amount of downloads:9473
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LI Zhijuan,WU Dan,LEI Ting,WANG Ning,DUAN Yan,MA Hongen
Abstract: Aiming at the problems of frequent failures and untimely maintenance of DC charging pile,a faultearly warning method of DC charging pile based on soft classification model was proposed. Based on the currentsequence and voltage sequence of the charging pile in the charging process,the differential sequence o...
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Number of views:2644 Amount of downloads:8545
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ZHU Qing,JI Cheng
Abstract:The massive access of 5G base stations has injected new vitality into the low-carbon development ofintegrated energy system(IES). By stimulating 5G base stations to participate in demand response andincorporating them into the scheduling framework of IES,energy saving and emission reduction of IES can beeff...
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Number of views:2638 Amount of downloads:9545