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CHEN Ling
Abstract: With the large increase of load users,the load side adjustable resources gradually increase,and theload side demand response(DR)resources are used to participate in microgrid scheduling to improve the level ofnew energy consumption. In order to give full play to the scheduling potential of DR resources and...
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Number of views:1168 Amount of downloads:2518
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YOU Hanwen,CHEN Xi
Abstract:A modeling method based on fractional calculus was proposed to analyze the working mode of halfbridge LLC resonant converters and the influence of the "parameter drift" of the resonant capacitor on the workingmode of the converters. Then,based on the Oustaloup's filtering algorithm,a simulation model of...
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Number of views:1167 Amount of downloads:4420
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LI Ning,WANG Ruyue,ZHU Longhui
Abstract:In order to analyze the power quality problem of actual power network under the influence ofuncertain interference factors,a power quality detection and recognition method combining empirical wavelettransform(EWT)and improved S-transform was proposed. On the one hand,the frequency,amplitude and timeparamete...
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Number of views:1167 Amount of downloads:2021
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SUN Chuanjie,TIAN Kai,XU Wenyuan,LU Beibei,LI Nan
Abstract:A brake unit based on IGCT was designed for different applications of frequency converter inindustrial scenes,especially the medium voltage frequency conversion system without feedback function. IGCTwas used as the main power device,and the parameters and characteristics of IGCT was analyzed. According to t...
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Number of views:1165 Amount of downloads:3090
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MIAO Yuntao,WANG Chengxian,LI Junda,GU Jiateng,ZHANG Zhenbin
Abstract:Model predictive control(MPC)is an effective control strategy for permanent magnet synchronousgenerators(PMSG)due to its fast dynamic response and multi-objective optimization capabilities. However,MPCrelies on accurate system models and sensor measurements. In practical conditions,parameter mismatch caused...
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Number of views:1165 Amount of downloads:2631
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SUN Jia,HAN Shuntian,NI Lianghua,LÜ Ganyun
Abstract:While a large number of distributed generator(DG)keep penetrating into distribution networks,the problems such as voltage violation and network power congestion become more and more serious. Soft open point (SOP)can quickly achieve flexible interconnection and accurate power flow control,effectively address...
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Number of views:1165 Amount of downloads:2042
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ZHANG Chunxiang,LI Xin,SUN Ning
Abstract:DC high current comprehensive characteristic test device is used to detect the released characteristicsof DC low-voltage electrical overcurrent protection electrical device,which is used in low-voltage electricalindustry for DC products for long time delay,short time delay,instantaneous tripping test and sh...
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Number of views:1165 Amount of downloads:1940
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XIA Tao,LIU Liang,ZHANG Yangfei,LIU Haitao,MENG Gaojun
Abstract:Aiming at the problem of large output voltage fluctuation and long recovery time of three-phasepulse-width modulation(PWM)rectifiers when the load changes,an improved single-neuron gradient learningcontrol strategy was proposed. Due to the poor adaptability of the traditional PI controller parameters when t...
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Number of views:1163 Amount of downloads:2420
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WU Han,HUANG Xinghua,QIAO Zhendong,FAN Yuanliang,ZHU Junwei,CHEN Jinyu
Abstract:Accurately estimating the state of health(SOH)of lithium-ion batteries is a crucial prerequisite forensuring the safe and stable operation of energy storage systems. The key to improving the accuracy of SOHestimation lies in the rational selection of health characteristics that can effectively reflect the s...
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Number of views:1161 Amount of downloads:2601
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SHI Kun,CHEN Songsong,CHEN Xuejie,CHEN Zhaorui,YAN Huaguang,WU Yingjun
Abstract:New energy has obvious volatility and anti-peak-shaving characteristics,and the integration of largescale new energy into the power grid poses challenges to the peak-shaving. Hydrogen energy has a good potential for application as a potential peak-shaving resource. A multi-time scale peak-shaving scheduling...
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Number of views:1159 Amount of downloads:2421
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YUAN Yisheng,HUANG Yikun,CAO Hui,HUANG Zhimin
Abstract:A bidirectional isolated resonant converter with variable mode and wide voltage range wasproposed. The proposed converter has the advantages of BOOST circuit and flyback current feed topology. Byreusing the pre-storage and flyback energy feedback of the resonant inductor,it can improve the gain from thebatt...
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Number of views:1156 Amount of downloads:2433
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PENG Yinzhang,WANG Chen,NAN Dongliang,XIAO Chao,YANG Shuai
Abstract:AC-DC hybrid power grid can balance the power flow during the operation of the power system ina large range,which is conducive to improving the access capacity and access range of large-scale access of newenergy to the power grid,which is an important trend in the development of modern power grid. In order ...
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Number of views:1155 Amount of downloads:2335
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JIANG Jian,XU Fengliang,WANG Fayi
Abstract:Reasonable planning of the active distribution network is an important part to improve the windenergy accommodation capability,however,the overuse of the wind power output and load timing characteristicsincrease the difficulty of model solving and have adverse effects on the optimal results. The Latin hyper...
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Number of views:1153 Amount of downloads:2300
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GE Yaming,ZHOU Chenbin,MENG Yihua,SHEN Jiaoxiao,CAO Haiou,REN Xuchao
Abstract:With the accelerated construction of new power systems,the scale and complexity of transmissionsystems are constantly increasing. Therefore,it is urgent to study transmission line fault diagnosis algorithms thatutilize multi-source data as driving sources and meet requirements for accuracy and low time cons...
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Number of views:1152 Amount of downloads:2090
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SHEN Zhangliang,CHEN Yini,LI Haomin,LIU Zihao,MA Hongzhong,GE Xuanhao
Abstract:A fault diagnosis model for isolation switches based on Markov transition field(MTF),catch fishoptimization algorithm(CFOA)improved pyramid vision transformer(PVT)was proposed to address theproblems of complex fault situations,strong noise in signal extraction,and insufficient feature extraction. Firstly,th...
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Number of views:1151 Amount of downloads:3077