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WU Tong,LI Jian,LI Guodong,LIU Lu,ZHU Liguo,FENG Minshan
Abstract: There are many elderly people with limb disorder in China,and exercise rehabilitation technology isan effective means of rehabilitation treatment. However,the serious imbalance of doctor-patient ratio makes itdifficult for everyone to enjoy rehabilitation medical services. Impedance control technology is u...
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Number of views:3210 Amount of downloads:12273
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DAI Yemin,LI Yukun,LIN Shunfu,BIAN Xiaoyan,LI Dongdong
Abstract: With the wide application of new energy grid connection technology,a large number of powerelectronic devices are connected to the power grid,and the power quality is affected by harmonic interaction. Aiming at the harmonic interaction problem of multi-inverter grid-connected system,the multi-input and mult...
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Number of views:5119 Amount of downloads:12164
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ZHANG Yunquan,CHEN Xuanang,GUO Xiaorui,WEN An,YE Run
Abstract:To address issues like overcurrent,power oscillations,and insufficient dynamic response intraditional virtual synchronous generator(VSG)control during grid voltage sags,an improved VSG- low voltageride through(LVRT)mode-switching control strategy for grid-forming inverters was proposed. The strategydynamica...
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Number of views:3232 Amount of downloads:12157
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SHAYuheng,MEI Xin,LAN Jiao,HAN Fangxu,ZHAO Xuechen
Abstract: In view of the problems that the lack of unified data source,unified information standard,unifiedsupport platform for common services caused by multi system parallel in each stage of power grid enterprise projectmanagement,and resource and information "isolated island" caused by "chimney" system architectu...
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Number of views:5021 Amount of downloads:12137
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XIONG Wei,CHEN Long,LÜ Shunli,GUO Zhenyu,LU Xin
Abstract:To address the complexities of transformer condition assessment indicators and the overreliance onexpert judgment in the evaluation process,a novel method for fuzzy comprehensive assessment of transformercondition was introduced,which is based on gaming theory and an improved version of the D-S evidence the...
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Number of views:3468 Amount of downloads:12131
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SHANG Liqun,WANG Shuo
Abstract:As the proportion of installed photovoltaic(PV)capacity increases year by year,accurate predictionof PV output and the realization of group control and management of PV clusters become crucial. A multi-site PVoutput prediction method that integrates deep fusion of graph convolutional neural network(GCN),lon...
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Number of views:2815 Amount of downloads:12061
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FU Lulu,ZHAO Hong
Abstract: The classical model prediction algorithm of three-level grid-connected converter has manydisadvantages,such as large computation,unfixed switching frequency and difficulty in selecting weight factors,which limit its development in grid-connected converter field. To solve above problems,a modified control a...
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Number of views:6088 Amount of downloads:12053
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CUI Peng,YU Haisheng,MENG Xiangxiang,WANG Jiankun,SUN Yifei
Abstract:A backstepping error port-controlled Hamiltonian(EPH)controller based on a novel extended stateobserver(ESO)was designed to address the issues of insufficient rotor flux observation accuracy and slow systemdynamic response in induction motor speed control. Firstly,an extended state observer was used to obse...
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Number of views:3177 Amount of downloads:12011
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WANG Mingshen,PAN Yi,MIAO Huiyu,HAN Huachun,ZENG Fei,YUAN Xiaodong
Abstract:In response to the problems of insufficient consideration of charging pile resource constraints,lowpracticality of time-domain discrete models,and inadequate description of peak shaving capabilities in the currentoptimal scheduling of electric vehicles at charging stations,an optimal scheduling and peak sha...
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Number of views:1725 Amount of downloads:12007
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ZHANG Tingting,ZHAO Jinbin,DENG Ping,QU Keqing,ZHANG Junwei
Abstract: Aiming at the problems of low input voltage and high demand on driving voltage frequency andamplitude of the traffic sign power supply using smart electroluminescent(S.E.L)technology,a high rise ratio highfrequency inverter drive circuit based on the cascade connection of the Boost circuit with soft switch...
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Number of views:5884 Amount of downloads:11978
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HUANG Haihong,HUANG Yuwei,LIU Xin
Abstract: Aiming at the requirements of portable DC insulation detection devices,a dynamic differencealgorithm based on single-arm was proposed,and a portable DC insulation detection and verification integratedmachine was designed based on this algorithm. The principle of the single-arm insulation monitoring system ...
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Number of views:5133 Amount of downloads:11976
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XU Qianxi,ZHAO Yangyang,CHEN Xueni,YU Yingjun,YOU Rui
Abstract:The load-transfer after the distribution area fault and mutual power support between distributionareas can be realized with the flexible interconnection device(FID)based on power electronic devices. Aiming atthe becoming increasingly prominen three-phase unbalance problem,a three-phase current unbalance reg...
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Number of views:2467 Amount of downloads:11932
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YIN Xiang,WU Chaoqun,LIU Yan,CHENG Shi,ZHAI Liang,LI Xing
Abstract:Wind power and other fluctuating renewable energy sources pose serious challenges to the safe andstable operation of the power grid. Integrating energy storage technology with wind power can effectively mitigatethe volatility of wind power output and enhance grid frequency security. A dual adaptive particle...
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Number of views:1944 Amount of downloads:11915
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LÜ Wei,WANG Han,ZHANG Jianwen,CHEN Gen,CAI Xu
Abstract: Compared with onshore wind power,the natural conditions at sea are bad and the traffic isinconvenient to maintain the wind power system,so wind power system needs to be highly reliable. The systemreliability can be effectively improved by using fault-tolerant control. A fault-tolerant control strategy by i...
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Number of views:4929 Amount of downloads:11889
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XU Bin,CUI Wenqing,CAO Huanxi,CHEN Peiyu,LI Qian,JIN Yu
Abstract:Driven by the dual-carbon goals,to effectively reduce the carbon emissions of flexible DCinterconnected microgrids cluster and enhance the flexibility of system control,a low-carbon control strategy wasproposed. Firstly,a topology of flexible DC interconnected microgrids cluster was proposed,and the carbone...
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Number of views:2812 Amount of downloads:11888