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LU Shengzhi,CAO Junjie,ZHOU Feng,JIN Cheng,CHEN Zhenghua
Abstract: With the global energy and environmental problems becoming increasingly prominent,the regionalintegrated energy system(RIES)with multi-energy complementary characteristics is an effective solution. In orderto realize the comprehensive and reasonable evaluation of energy efficiency of the RIES,a detailed ev...
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Number of views:3934 Amount of downloads:8599
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TIAN Kai,LI Fengsheng,CHU Zilin,YU Zhibin,LI Teng,WANG Mingyue
Abstract: Aiming at the short circuit fault protection of medium voltage three-level converter with IGCT asthe core and the monitoring of changes in main circuit device parameters during operation,a method was proposed to simultaneously realize fault identification of IGCT three-level converter and monitoring of mai...
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Number of views:3922 Amount of downloads:11794
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LI Junjun,LI Zhongqi,YI Jiliang
Abstract: Shared inverter can simplify the topology of the dual machines drive system under the traditional axiscontrol mode,reduce the volume and weight of the equipment. In view of the low voltage utilization rate of a single motor in the shared inverter drive system,which leads to the shortening of the constant p...
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Number of views:3891 Amount of downloads:9115
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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:3886 Amount of downloads:9746
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LIU Zhen,ZHU Zimin,WANG Xiaoyun,NAN Dongliang,DUAN Yu,WU Xiaofang
Abstract:As the penetration of renewable energy in power systems increases,converter-based devices aregradually becoming dominant in the grid. In terms of system frequency stability support,grid-forming converters,which can provide both active inertia support and fast frequency response services,hold great potential...
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Number of views:3885 Amount of downloads:21193
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HUO Huijuan,LI Peidong,XIN Cheng,LI Weiwei,LU Yanchao,CHEN Tianqiong
Abstract:Under the context of the new power system,the high share of renewable energy brings significantchallenges to the security,stability,and economic operation of the system and the grid. An uncertain optimizationscheduling model for hydrogen storage/electricity-gas integrated energy systems supported by large p...
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Number of views:3866 Amount of downloads:13957
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DING Qiang,ZHU Jie,JIANG Yingxu
Abstract: Direct-drive electrically excited synchronous motor(EESM)is obtained widespread utilization inwind power generation system due to its advantages of simple construction and low cost. Firstly,a mathematicalmodel of EESM was derived and the direct torque control(DTC)algorithm for EESM was introduced based on ...
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Number of views:3853 Amount of downloads:9134
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WANG Chun,WU Pengtao,GUO Bin,LÜ Jing,HUANG Hongwei,MAO Wenzhao
Abstract: In order to improve the efficiency of power grid equipment maintenance,an evaluation index ofequipment maintenance value based on Markov model was proposed,and an optimization decision method of power grid maintenance based on maintenance value evaluation was constructed. The value evaluation index of powe...
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Number of views:3852 Amount of downloads:8553
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SHI Shaoqing,ZHANG Leping,ZHANG Bensong,WU Haowen,LIAN Xinkai,DU Shushuai
Abstract: In order to apply the smart meters with load identification technology into real application,a nonintrusive load identification method using Mean-shift clustering algorithm with siamese network framework wasproposed. In this method,the load event was carried out for extracting the features,including active...
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Number of views:3850 Amount of downloads:8608
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ZHUANG Gewei,GU Zhen ,FENG Xiuqing ,DUANYan
Abstract: Automatic verification system of smart meter may be abnormal in the long-term operation process,but the regular manual detection method can not timely learn the risk information,shortening the period of manual inspection will reduce the work efficiency of automatic verification. In most cases,the sample da...
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Number of views:3850 Amount of downloads:7490
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CHEN Weikang,WANG Haixin,ZHANG Zhiyong,CHEN Zhenyu,SHEN Jie
Abstract:Flux-weakening control technology can effectively broaden the speed range of the permanentmagnet synchronous machine(PMSM),therefore,it is of great significance to the research on the flux-weakening control of permanent magnet synchronous machine. Most of flux-weakening modified the flux-weakening current c...
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Number of views:3848 Amount of downloads:15305
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WU Bing,WANG Jianliang
Abstract:The common-mode equivalent circuit model of the motor is the basis for analyzing the electricerosion of bearings,especially for analyzing the technical problems and experimental phenomena of shaft voltageand shaft current,among which the centralized equivalent model is an important calculation basis for the...
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Number of views:3834 Amount of downloads:14295
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WEI Jian,CHEN Jingxin,ZHANG Xinyue,QIU Guangjuan,ZHANG Jiawei
Abstract:High-precision power converters are core components of ultra-precision motor motion controlsystems.Their output current harmonic distortion can cause unnecessary positioning fluctuations in ultra-precisionmotors,severely impacting the precision control system.Total harmonic distortion is an important index ...
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Number of views:3812 Amount of downloads:14071
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SUN Lunan,ZHOU Yong,LIU Xiaodong,LIU Yawei,WANG Haoyu
Abstract:Combined with the current software features and the requirements for function expansion of thecurrent test equipment engineering project,a set of test data analysis system was designed. The system includes the functions of remote test data monitoring,historical data playback,test data analysis,data predicti...
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Number of views:3795 Amount of downloads:15039
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LÜ Jiangping,LI Yaguang
Abstract: Recent years,omni-directional wireless power transmission(WPT)technology has attracted moreand more attention as a solution to the limitations of free location and mobility of traditional WPT technology.However,omni-directional WPT is less efficient due to low mutual inductance relative to the transmitter ...
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Number of views:3779 Amount of downloads:8570