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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:3374 Amount of downloads:6799
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CHEN Guoping,WANG Juan,LIANG Zhen,ZHANG Zhiyu,BAI Haibin,SUN Qianhao
Abstract: The full fault-blocking converter(FFBC)-based DC power distribution network is an importantdirection of the power system with source-load-storage interaction. Since there is no DC breaker in FFBC-DCpower distribution network,the start-up,mode switching and fault handling control strategies of FFBC-DC power...
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Number of views:3406 Amount of downloads:6265
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LÜ Feichun,HU Jingtao,ZHANG Wentao,HU Dong,WU Xu
Abstract: In recent years,the large-scale grid connected operation of distributed energy has led to the gradualevolution of traditional power users from simple power consumers to prosumers with both power production andconsumption capacity,and can orderly participate in market transactions under the guidance of mark...
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Number of views:3336 Amount of downloads:6716
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LU Heng,LIU Haitao,XIA Tao,ZHANG Chengyu,HUANG Cheng
Abstract:Accurate line parameters are of great significance to the operation and control of the distributionnetwork. However,the line parameters of distribution network are affected by environment,working condition and temperature,etc. At the same time,due to the increasing complexity,randomness and volatility of di...
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Number of views:3455 Amount of downloads:6802
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YAN Chengshan,QIU Mingquan,ZHANG Lijun,GUO Qi,WANG Chunlei,JIN Wenxing
Abstract: A voltage stability control strategy for DC microgrid based on muti-group energy storage unitdynamatic regulation was proposed. Due to the volatility of the new energy,and in order to improve the powersupply reliability of the energy storage system,the multi-group energy storage equipped with a certain con...
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Number of views:2880 Amount of downloads:6433
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SUN Guangming,ZHNAG Weiguo,ZHOU Jing,LIU Hongpeng
Abstract: The integration of electric boiler and thermal storage system into power system is a feasible schemeto improve system flexibility and wind power consumption. In order to comprehensively consider the multi-agentconfiguration of electric boilers and heat storage systems in different thermal power plants,and ...
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Number of views:2664 Amount of downloads:5515
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WANG Chengliang,PAN Zhixin,ZHAI Xuefeng,XIAO Yuhua,LIU Yu
Abstract: The mathematical model of magnetic coupled resonant wireless power transfer(MCR-WPT)system based on LCC-S compensation topology was established. Meanwhile,the influence on the transmissionperformance of the system was analyzed from three aspects:operating frequency,compensating inductance andload impedance...
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Number of views:2975 Amount of downloads:5166
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LI Linwei,FU Zhimin,CHEN Mingfan,HE Lipeng,QIN Dan,HUANG Lige,CHENG Xi
Abstract: With the opening of the electricity market,the scattered and high idle rate of distributed energystorage has realistic conditions to participate in the aggregation and reuse,and the aggregation process caneffectively improve the efficiency of the power grid. The electric vehicles were taken as a typical re...
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Number of views:2955 Amount of downloads:5340
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SUN Kaiwen,GONG Shihua,CAI Junqiong
Abstract: Gantry is an important part of proton radiotherapy equipment. Its main features are its large mass,large size and large moment of inertia. It is necessary to ensure the smooth acceleration and deceleration and precise positioning of the gantry. In response to the positioning control requirements of the gan...
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Number of views:3445 Amount of downloads:9778
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WANG Jie,JIN Weigang
Abstract: In view of the difficulty in detecting the uniform and non-uniform contamination of high voltage(HV)glass insulators and the inaccuracy of risk assessment,a risk assessment method for HV glass insulatorsbased on a new leakage current indicator Rhi was proposed. The new leakage current index Rhiwas derived ...
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Number of views:2671 Amount of downloads:6265
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GU Zhen,ZHUANG Gewei,HE Qing,ZHOU Lei,AN Bailong,DUAN Yan
Abstract: Accurate identification method of abnormal electricity users can provide reference for power supplyenterprises to lock in electricity theft or other violations of power users. Most abnormal user identification modelsbased on machine learning adopt unsupervised algorithms,but the accuracy of the models is l...
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Number of views:2796 Amount of downloads:5665
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RONG Zhenshuai,CHI Yingchao,SUN Zhan,WANG Yijie,XU Dianguo
Abstract: The arrival of the 5G era has put forward higher requirements for the power system,that is,theconverter is required to have high efficiency,high power density,and rapid dynamic response. In response to thisproblem,the third generation of wide bandgap semiconductor device gallium nitride(GaN)transistors was...
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Number of views:5824 Amount of downloads:7213
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GUO Yufei,LI Yiliang,WANG Yijie,XU Dianguo
Abstract: In order to speed up the process of "carbon neutrality" and "peak carbon dioxide emissions",fossilenergy has been gradually replaced by renewable energy,and renewable energy will become the main powergeneration mode in the future. The combination of energy storage system and bidirectional converter become ...
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Number of views:5324 Amount of downloads:7737
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LIU Weizhi
Abstract: In high-power traction converter,SiC devices with many advantages such as fast switching speed,high temperature resistance and low switching loss are used to replace Si devices. The three-level active neutral-pointclamped(3L-ANPC)converter based on SiC devices can reduce the burden of heat dissipation syst...
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Number of views:5604 Amount of downloads:7573
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LIU Yue,JI Guosheng,ZOU Jun,WU Hongfei,YANG Yuan,GUO Yuedong
Abstract: The optimal design of the magnetic integration and integrated printed circuit board(PCB)windingbased on a high-frequency high-density LLC resonant converter was studied. Both the transformer and resonantinductor were integrated into only one magnetic core. By configuring the resonant inductor on the second...
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Number of views:5501 Amount of downloads:13317