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WANG Xuli,XU Jiayin,SHEN Yuming,LI Kun,FENG Peiru,JIANG Guifen
Abstract:In order to make full use of the frequency modulation capability of the wind turbines,consideringthat a conventional wind-power coordinated frequency control strategy not only results in some fluctuations in thefrequency of the system,but also requires high energy storage capacity and poor economic efficien...
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Number of views:607 Amount of downloads:1106
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CHEN Kun,SUN Kaiyuan,LIN Lin,WANG Meng,ZHENG Jiehui,LI Zhigang
Abstract: With the massive access of renewable energy sources and pluralistic load,it is bi-directionalbeneficial to update the distribution network topology. It can not only promote the consumption of renewableenergy and the satisfaction of new load demands,but also improve the rationality of urban distribution net...
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Number of views:1100 Amount of downloads:1106
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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:667 Amount of downloads:1104
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ZHU Ye,CHEN Yuanrui,CHEN Yang,WANG Zhenlin
Abstract:The safe and efficient operation of lithium batteries depends on accurate state of charge(SOC)estimation. However,the traditional battery model and SOC estimation have poor robustness and reliability undernoise interference. Aiming at the problem of SOC cooperative estimation under noise interference,firstl...
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Number of views:1167 Amount of downloads:1103
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ZHANG Chunli,LIU Hongwen,FANG Pengxing,CHAI Chenchao,ZHANG Wenqiong
Abstract:Incidents such as the burning of electromagnetic voltage transformers(PT),damage to primaryharmonic suppressors,and fuse tripping occur frequently in low and medium voltage distribution systems due toferroresonance,severely affecting the safe and stable operation of the system. Therefore,through theoretical...
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Number of views:569 Amount of downloads:1098
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WU Yihao,ZHAO Shiwei,ZHOU Jie,XIAO Chaoren
Abstract:In order to solve the problem of large peak-to-peak inductor currents in dual active bridge converterswith mismatched input and output voltages,a four-degree-of-freedom modulation(FDFM)strategy was proposedby combining symmetric duty cycle modulation and asymmetric duty cycle modulation. By analyzing the op...
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Number of views:646 Amount of downloads:1095
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CHE Zihang,WU Jiahui,WANG Weiqing,ZHANG Hua,YANG Jian,PEI Yufeng,ZHANG Jingang
Abstract:To further improve the economy of integrated energy system(IES)capacity allocation,an IESoptimization configuration model based on supply-demand collaborative response was proposed,aiming todetermine the optimal comprehensive capacity of various equipment in the system. First of all,based on thecharacterist...
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Number of views:333 Amount of downloads:1091
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ZHOU Yufan,GAO Hui,LONG Yi
Abstract:To cope with the impact of electric vehicle(EV)charging loads on the power grid and achieve abalance of interests between the power grid,charging station and users,a customized charging strategy for EVs that takes dynamic electricity prices into consideration was proposed. Initially,the dynamic pricing mech...
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Number of views:1413 Amount of downloads:1089
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DONG Min,LIU Kezhen,ZHAO Qingli,CHEN Leidan,YAO Yue,ZHAO Xiong
Abstract: Under the "dual carbon" goal,the electric energy systems need to gradually develop towards theway of energy saving and low carbon. The integrated energy system(IES)is an important measure to solve energyand environmental protection problems. At present,the research on IES mainly focuses on distributed ener...
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Number of views:1083 Amount of downloads:1081
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LIU Detao
Abstract: Due to the inaccurate power deviation and network loss results obtained by the energy storage powercontrol of the multi-source distribution network,the power control results are not ideal. A rational control method of energy storage power in multi-source distribution network based on ant colony algorithm w...
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Number of views:879 Amount of downloads:1081
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LIU Xue,ZHAO Lu,MA Chengyao,FAN Enze,GE Qiongxuan
Abstract:High-frequency transformers are an essential component in series-resonant DC/DC converters,andtheir stable operation has a decisive impact on the reliability,efficiency,and power density of power supplysystems. Nanocrystalline magnetic cores are widely used due to their advantages of high saturation magneti...
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Number of views:870 Amount of downloads:1080
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ZOU Jia,ZHANG Jianqiao,JI Chengchun
Abstract: Aiming at the problem that the accuracy of the speed estimation of the traditional model referenceadaptive system(MRAS)method without speed sensor decreases after the speed load mutation in the low speedrange,a speed identification method based on the combination of back propagation(BP)double-layer artific...
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Number of views:1112 Amount of downloads:1080
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ZHANG Xudong,WANG Yangyang,LI Xiaolong,LÜ Jin
Abstract:Aiming at the problem that the ripple content of current and voltage in cycloconverter speed controlsystem is large and the ripple period is time-varying,the real-time sampling value is not suited for feeding back tothe speed control system directly,a variable period mean sampling algorithm was proposed. Fi...
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Number of views:864 Amount of downloads:1079
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GUO Jiahao,YANG Xiong,FANG Xin,LI Guanfei
Abstract: With the rapid development of primary and secondary fusion equipment,the detection efficiency ofthe traditional primary and secondary equipment testing method is very low,and it is no longer suitable for the new fusion switch equipment testing. In view of this,an integrated testing scheme for primary and s...
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Number of views:838 Amount of downloads:1075
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LI Ruizhe,WU Ming,LIU Shiyu
Abstract:To address the issue that existing microgrid planning evaluation methods do not adequately accountfor the influence of uncertainties in the system and environment on the evaluation results,a microgrid planningevaluation method based on regret theory-vlsekriterijumska optimizacija i kompromisno resenje(VIKOR...
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Number of views:920 Amount of downloads:1073