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HUANG Zhaobin,ZHANG Zhijian,LONG Tan,HU Bin,LIU Wenlong,WANG Gaolin
Abstract:When the Vienna rectifier is connected to unbalanced loads operating under light load conditions,the slight power difference causes unbalanced voltage of bipolar DC bus,which increases the voltage stress on theswitching device and DC-link capacitance. To solve the above problems,a DC offset reduction of neu...
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Number of views:1273 Amount of downloads:3166
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LIANG Biao,ZHANG Yiming,ZHANG Dong,LI Gen,WANG Xuhong
Abstract: With the increasing demand for geological exploration in complicated terrain in China,thedevelopment of helicopter transient electromagnetic system(HTEM)has been paid more and more attention. A pulse current transmitting circuit with multi-excitation sources was proposed to meet the demand of transmitting ...
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Number of views:2817 Amount of downloads:3164
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ZHENG Bining,YAN Dong,SONG Peng,ZHANG Zhen,YAN Yan
Abstract:The structure parameters of dual-stator permanent magnet synchronous motors(DSPMSM)wereoptimized with finite element methodTaguchi method at the rated point,maximum torque point,and maximum speed point,respectively,aiming at the problem of large torque ripple of DSPMSM. The influence onelectromagnetic torqu...
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Number of views:1436 Amount of downloads:3160
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DU Jifei,WANG Yang,WANG Li,LIU Haoruo,MU Yunfei,SUN Qiang
Abstract:The primary side feedback can stabilize the output voltage,and improve the service life of theequipment without using the secondary winding detection error signal. The topology of active filter and theimproved method of primary side feedback were adopted. The performance of active EMI filter topologies wasa...
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Number of views:1278 Amount of downloads:3156
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FANG Qiang,CHENG Zhijiang,YANG Handi
Abstract: For the problem of uneven power output and unbalanced state of charge(SOC)of energy storageunits caused by large-scale integration of distributed generation systems(DGS),such as photovoltaic and windturbine,into the grid,an improved consistency algorithm based on gradient compensation was proposed based on...
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Number of views:1637 Amount of downloads:3155
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JIA Dexiang,ZHONG Cheng,LIU Zhanjie,ZHENG Houqing,GUO Yang
Abstract: Photovoltaic(PV)generation usually operates in maximum power point tracking(MPPT)mode,which cannot provide inertia and frequency support for the power system. Virtual synchronous generator(VSG)control is an attractive control method that can provide the similar behavior of synchronous generator(SG).However...
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Number of views:1734 Amount of downloads:3152
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TANG Lan,HUANG Liwen,WANG Chenglei
Abstract:A K-means clustering algorithm was proposed and a conditional Wasserstein generative adversarialnetwork with gradient penalty(CWGAN-GP)to address the problem of imbalanced photovoltaic generation datacaused by the low occurrence probability of extreme weather. A prediction approach combining bidirectional l...
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Number of views:941 Amount of downloads:3151
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LU Wu,ZHENG Renjie,ZHAO Wenbin,TANG Jiayuan
Abstract: Efficient and accurate short-term load forecasting is essential to the safe and stable operation of thepower system. A combined prediction model based on empirical mode decomposition(EMD)and gated recurrentunit(GRU)was proposed. First,the date factors ,meteorological factors and historical load factor were...
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Number of views:3081 Amount of downloads:3147
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TANG Aiwu,CHEN Tianyou
Abstract:In order to effectively adjust and control the motion amplitude of the flexible manipulator and avoidlarge deviation between the actual motion track of the flexible manipulator and the target track,a flexiblemanipulator motion track control system based on the combination of distributed control system(DCS)a...
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Number of views:1578 Amount of downloads:3144
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XU Qianxi,ZHAO Yangyang,CHEN Xueni,YU Yingjun,YOU Rui
Abstract:The load-transfer after the distribution area fault and mutual power support between distributionareas can be realized with the flexible interconnection device(FID)based on power electronic devices. Aiming atthe becoming increasingly prominen three-phase unbalance problem,a three-phase current unbalance reg...
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Number of views:712 Amount of downloads:3130
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WANG Linfeng,XU Nan,NIE Jing,XIE Yantao,SONG Yan
Abstract: Investment estimate prediction model in traditional transmission line(TTL)project has problemssuch as large deviation from the actual cost and low efficiency of estimation management. Thus,a novel investmentestimate prediction model in TTL project was presented with assistance of principal component analys...
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Number of views:1692 Amount of downloads:3127
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SONG Zhuoran,DOU Wenlei,LI Jianfeng,JIANG Tao,LU Sichen,JI Hansong
Abstract: In order to improve the operation economy of the distribution system with multiple industrial parksand restrain the power fluctuation of the distribution-micro tie line,a multi-time scale optimization schedulingstrategy for the distribution system with multiple industrial parks was proposed based on the ro...
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Number of views:1610 Amount of downloads:3126
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JIAO Xiaofeng,WEI Chao,HU Hongbin,FAN Zeguo,ZHANG Lihui
Abstract: With the acceleration of my country' s power spot market construction process,in order to solve theproblem of heat-electricity mismatch in the northern region,two different day-ahead scheduling strategies of aflexible co-generation plant based on the participation of cogeneration units in the day-ahead...
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Number of views:2258 Amount of downloads:3125
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TIAN Guangping,XUE Hua
Abstract: In response to the stable operation demand of modular multilevel converter(MMC)with singlephaseshort circuit fault,a passivity-based method based on dual-port controlled Hamiltonian with dissipation(Dual-PCHD)model was proposed. To make the grid-connected positive sequence and negative sequence currentsubs...
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Number of views:3006 Amount of downloads:3121
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GU Jipeng,SHAO Liang,LU Chuiji,ZHANG Youbing,ZHANG Weijie,YANG Jifeng
Abstract: As an important basis of power system operation planning,short-term power load forecasting isgreat significant to the safe and economic operation of power system. A long-term and short-term time seriesnetwork(LSTNet)model was proposed to predict the short-term load variation of distribution area. The model...
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Number of views:1827 Amount of downloads:3117