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YANG Zhengdong,SHI Haobo
Abstract: The tracking of the distorted current signal without static error cannot be completed by a single PIcontrol. In order to improve the quality of the grid current,a harmonic compensation method for parallel active filters under extreme loads was proposed. Create the main circuit topology of the parallel acti...
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Number of views:2967 Amount of downloads:1152
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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:2957 Amount of downloads:1236
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MA Tao,XIAO Zhiyun,ZHANG Yonghong,DAI Zehui,WANG Zhiqiang
Abstract: In order to improve the reliability of LCL-filtered grid-connected three-phase inverter when using asliding mode controller,a novel sliding mode control strategy with less sensors in the abc natural frame was designed.Firstly,the sliding surface functions of phase a and phase b in the abc natural frame wer...
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Number of views:2956 Amount of downloads:1108
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SHEN Gaobo,LIU Xu
Abstract: A variable flux reluctance machine(VFRM)control system based on the excitation current controlof a single leg was proposed. Compared with the VFRM control system based on the H-bridge which controlling theexcitation current,fewer switch devices were used,in which the cost of the inverter was reduced while ...
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Number of views:2939 Amount of downloads:1148
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CUI Kaishun,ZHU Lan,WEI Linlin,TIAN Zeqing,LI Xiaojun
Abstract: Demand response to meet the power balance between supply and demand in the new generationresources without investing. The achievement of China's carbon neutrality goal by 2060 will surely bring aboutprofound changes in the structure of energy supply and demand. The effective development of demand-side ...
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Number of views:2927 Amount of downloads:1610
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SU Jichen
Abstract: Due to the low efficiency of data processing and high export delay of intelligent measurementequipment in substation engineering,the construction progress of substation engineering is slow. Therefore,the data batch export system of intelligent measurement equipment in substation engineering was designed. T...
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Number of views:2913 Amount of downloads:1185
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LI Yangyang,HU Jinlei,LAI Junju,WANG Wei,YANG Fan
Abstract: Aiming at the on-site live detection data of switchgear,a mean-shift clustering algorithm based onmulti-dimensional feature quantity was proposed to identify the abnormal partial discharge of switchgear. Theswitchgear partial discharge detection data which include dispersion,average distance percentage,con...
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Number of views:2909 Amount of downloads:1114
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DONG Yongle,ZHANG Jiang,ZHANG Lifang,ZHANG Qi
Abstract: In view of the increasing factors of power demand in our country,and the low efficiency of traditionalstatic model and adjustment mode of distribution network based on artificial experience,which can not meet thepractical needs of high-level applications such as refined line loss of distribution network. I...
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Number of views:2880 Amount of downloads:1107
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YAN Hao,BA Sang,GU Yi
Abstract: Insulation failure can cause motor turn-to-turn,phase-to-ground and ground-to-ground faults,ranging from equipment downtime,or endangering personal safety,resulting in catastrophic consequences. In order to be able to carry out online sensitive monitoring of the deterioration state in the early stage of tu...
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Number of views:2869 Amount of downloads:1041
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DING Yi1,LIU Shengzhong,WANG Xudong,HUO Xianxu,HU Zhigang,JIANG Fan
Abstract: The estimation method of state of health(SOH)of lead-acid battery based on chaotic particle swarmoptimization-Gaussian process regression(CPSO-GPR)was proposed. Firstly,the voltage and current curves of leadacid battery during charging process were investigated,and the characteristics of constant current c...
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Number of views:2855 Amount of downloads:1077
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WANG Haijun,WANG Lei
Abstract: Aiming at the problem of active power dispatch and control in the grid-connected power system oflarge-scale wind power clusters(WPC)of distributed wind farms,a hierarchical model predictive control(HMPC)strategy based on dynamic power dispatch was proposed. Firstly,the dispatch framework was divided into f...
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Number of views:2845 Amount of downloads:1142
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TAN Xiaomeng,LIU Jichun
Abstract: New energy with intermittent and uncertainty would seriously impact the operation reliability,especially in isolated multi-energy complementary generation system,and make the system face certain risks. Thus,reasonable system reserve is the key to avoid large risk loss in isolated island power system under ...
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Number of views:2835 Amount of downloads:1167
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NIU Shengsuo,WU Zhenan,HUANG Shengpo
Abstract: The test of the internal cable conductivity of the traditional bullet train is time-consuming andlaborious,which increases the probability of false detection,seriously affects the accuracy and reliability of cabledetection results of bullet trains,and greatly reduces the safety and stability of bullet trai...
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Number of views:2835 Amount of downloads:1112
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LIU Yue,JI Guosheng,ZOU Jun,WU Hongfei,YANG Yuan,GUO Yuedong
Abstract: The optimal design of the magnetic integration and integrated printed circuit board(PCB)windingbased on a high-frequency high-density LLC resonant converter was studied. Both the transformer and resonantinductor were integrated into only one magnetic core. By configuring the resonant inductor on the second...
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Number of views:2831 Amount of downloads:1770
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LIU Weijie,ZHANG Yiming,CUI Longfei,ZHANG Dong,WANG Xuhong
Abstract: The transmitting coil in the aviation electromagnetic transmitting system was took as the researchobject,considered the influence of the parameters of the transmitting coil on the peak value of the transmitting current,used finite element software,the coil model was established. The skin effect and proximi...
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Number of views:2825 Amount of downloads:2184