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ZHAI Bingxu,ZHAO Yansong,GUO Yuchen,LI Yuanzhuo,JIANG Zhilin,XIAO Qian
Abstract:Under the carbon peaking and carbon neutrality goals,the high integration of new energy sourceslike photovoltaics(PV)into the power system makes it difficult for traditional dispatching schemes to effectivelyhandle their randomness and volatility in output. PV curtailment occurs frequently and local counter...
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Number of views:1704 Amount of downloads:11618
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TAO Jiagui,HU Shengnan,DAI Jianzhuo,ZHANG Sicong
Abstract: Aiming at the problems of complex feature extraction and low classification accuracy of traditionalmethods in human behavior recognition(HAR),a behavior recognition model based on deep belief network-support vector machine(DBN-SVM)was proposed. Firstly,in order to better capture the periodic changes of use...
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Number of views:2270 Amount of downloads:11594
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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:1909 Amount of downloads:11444
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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:4915 Amount of downloads:11359
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GUO Leilei,ZHU Linqiang,CAO Lingzhi,LI Yanyan,WANG Pengshuai
Abstract: The accurate estimation of rotor angle is an important prerequisite for realizing speed sensorless highperformance vector control of permanent magnet synchronous wind generator. In the speed sensorless control ofpermanent magnet synchronous wind generator based on disturbance observer,the traditional angle...
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Number of views:5080 Amount of downloads:11336
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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:4794 Amount of downloads:11311
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MAO Fang,MIAO Xinzhao,LIANG Qianyuan,TANG Fangwen
Abstract:Compared to partial life cycle assessment,the full life cycle assessment is more complex anduncertain,with the difficulty of comprehensively considering carbon emissions and their multiple influencingfactors at each stage,resulting in fuzzy assessment boundaries and dynamic repetition of the process. To thi...
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Number of views:2873 Amount of downloads:11298
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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:5868 Amount of downloads:11263
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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:3213 Amount of downloads:11247
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LI Lingxin,JIAO Yuping,SUN Jiacheng,DENG Fujin,ZHANG Qi,REN Biying
Abstract: High voltage converter is often used in high voltage direct current(HVDC)transmission system tocontrol power supply nearby at high potential. However,the high bus voltage and its wide range fluctuation in themodule pose a challenge to the high reliability design of power supply. To solve this problem,a hig...
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Number of views:3745 Amount of downloads:11170
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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:5645 Amount of downloads:11138
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ZHENG Xiaoyong,DENG Jinxiang,HU Ren,WANG Hong
Abstract: Brushless DC motor has been widely used in the market because of its long life,high reliability andhigh torque. The sensorless control method can avoid a series of problems caused by the position sensor and furtherexpand the application of the brushless DC motor. Compared with the traditional sensorless co...
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Number of views:4448 Amount of downloads:11134
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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:2581 Amount of downloads:11078
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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:2120 Amount of downloads:11038
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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:4697 Amount of downloads:11031