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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:4150 Amount of downloads:3666
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ZHANG Zhi,WANG Xinyu,WANG Lin
Abstract: At present,the most commonly used methods for identifying photovoltaic cell parameters areanalytical methods and intelligent optimization algorithms. The sparrow search algorithm(SSA)is a newlyproposed intelligent optimization algorithm. It has the advantages of traditional intelligent optimization algorit...
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Number of views:4127 Amount of downloads:3573
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ZHANG Chao,QIU Han,LI Zhe,LIU Bochang,Zhang Baoshun,LI Chengyuan
Abstract: A control strategy of off-grid start-up of energy storage system(ESS)was proposed,which canmake all power converter systems(PCSs)entered off-grid mode smoothly and quickly in MW level battery energystorage power station,and make off-grid voltage set up. The unified off-grid phase angle and enable signal we...
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Number of views:4118 Amount of downloads:4270
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TANG Taonan,WANG Jian
Abstract: Aiming at the fault-tolerant operation problem of induction motor driving system with sensorfailures,a smooth fault-tolerant control strategy combining indirect field-oriented control(IFOC),direct torquecontrol(DTC)and V/f control was proposed. The indirect field-oriented controller and the direct torque c...
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Number of views:4110 Amount of downloads:4246
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GAI Zhiqiang,XUE Bin,LIYajie
Abstract: The traditional fault location method lack effective fault location process,which leads to the increaseof ranging error,fault location time and complexity. In order to effectively solve the above problems,a new faultlocation method for multi-power distribution network based on traveling wave theory was des...
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Number of views:4104 Amount of downloads:3422
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ZHANG Yubo,LIU Xu,CAO Yang
Abstract: The hybrid excited segmental rotor flux switching permanent magnet(HESRFSPM)machine basedon eccentric pole was proposed. Under the condition of constant air gap area,the segmental rotor structure based on eccentric pole can reduce 2,4,10 radial air gap flux density space harmonic amplitudes by comparing ai...
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Number of views:4097 Amount of downloads:4169
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HAN Jianfu,XIAO Chun,SONG Xiaobing,LU Jiansheng,WANG Feifei
Abstract: With the continuous advancement of China's energy Internet strategy,how to reduce the occurrenceof electricity theft has become a focus of research. The historical data of electricity consumption was processed andanalyzed,and the data of electricity consumption were processed and converted to realize t...
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Number of views:4096 Amount of downloads:3704
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YOU Hao,SHI Hengchu,YANG Yuanhang,LI Yinyin,ZHU Qingcheng,XU Tengfei
Abstract: In order to solve the problems that the portable wave recording device needs to sample AC/DCvoltage samples with different input voltages,AC/DC current signals with different input currents and high sampling rate,an analog signal isolation sampling circuit was designed for portable wave recording device.Th...
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Number of views:4090 Amount of downloads:4218
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YANG Xinai,LI Bingran
Abstract: A dispatchable droop control method for multiple distributed generators which can be applied inislanded AC microgrids was proposed. In the proposed method,the first-order inertia elements was utilized toachieve pseudo hierarchical control so that the distributed generator(DG)could share the load automatica...
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Number of views:4086 Amount of downloads:3774
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TIAN Kai,WANG Ziman,CHU Zilin,YU Zhibin,YUAN Yuan,SONG Peng
Abstract: A method to extract the equivalent thermal resistance parameters of double-sided water-cooledheatsink was proposed. Based on this method,the real-time calculation of junction temperature and overtemperature protection of integrated gate commutation transistor(IGCT)power device were implemented by the water...
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Number of views:4076 Amount of downloads:3625
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WANG Xing,TAN Peixiao,CHENG Zhijiang,MAWanqing,TIAN Bo
Abstract: Retired power batteries have poor parameter consistency,when they are used for energy storageafter series and parallel connections,the barrel effect is obvious and the failure rate is high. So the improved modular multilevel H-bridge converter(MMHC)distributed energy storage based on modular multilevel con...
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Number of views:4068 Amount of downloads:4090
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LIU Shiqi,WANG Yajing,MEI Yu,ZHANG Xiangke,SHI Yao,DOU Zhenhai
Abstract: In order to solve the problem of extracting harmonic parameters by noise interference Pronyalgorithm,a harmonic analysis method based on ensemble local mean decomposition(ELMD),singular valuedecomposition(SVD)and Prony was proposed. Firstly, the noisy signal was decomposed by ELMD,and thedemarcation point ...
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Number of views:4049 Amount of downloads:4004
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WANG Fenglian,WEI Zhengyi,ZHOU Mingzhu,CAO Yichang,HAO Yangyang,DING Xinping
Abstract: Aiming at the deficiency in boost capacity of the traditional booster circuit,a new type of coupledinductance high-gain DC-DC converter(Fibonacci switch capacitor-Y sources DC-DC converter,FSCYS)was proposed. Using sliding mode variable structure control with superior dynamic response performance and robus...
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Number of views:4039 Amount of downloads:4508
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FANG Biwu,XIAO Liang ,SUN Cheng,CHEN Yiping,XUE Yanjun,ZHANG Deliang
Abstract: In order to improve the absorption capacity of clean energy and make full use of the peak regulationresources of each province,the peak regulation capacity of different types of power sources was studied,and aregional power grid optimization dispatching method considering the mutual aid of peak regulation ...
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Number of views:4016 Amount of downloads:3567
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ZHANG Mao,CHENG Wenming,QIN Qin
Abstract: A set of container positioning system based on the laser radar measurement technology wasdesigned and realized to solve the problems of long service time,low efficiency and high labor intensity in therailway freight yard which caused by the manual operation of crane spreader alignment. The overall architec...
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Number of views:4013 Amount of downloads:3810