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PENG Yanlai,FAN Yong,YANG Xiaofeng,YANG Hongyu,WANG Zhixin
Abstract: Aiming at the problems that the amount of data in wind farm SCADA data is huge and it is difficultto classify the fast fault of wind turbine generator,a dynamic threshold AdaBoost algorithm(DTAdaBoost)wasproposed. Based on AdaBoost algorithm,the dynamic threshold was introduced to screen the sample set dat...
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Number of views:1400 Amount of downloads:1542
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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:997 Amount of downloads:1539
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JIANG Xuejiao,ZHANG Changqing,QIN Gang,ZHONG Lei,ZHOU Chaojun,CHEN Yupei
Abstract:In order to balance the output difference between renewable energy and load in the activedistribution network and reduce the budget cost and user purchase cost,an optimal dispatching method ofdistributed generation units in the active distribution network based on power demand side response was proposed.On ...
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Number of views:837 Amount of downloads:1535
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GONG Weizheng,YAO Yin,CHEN Mengying,LI Dongdong,ZHANG Xianming,ZHU Yedong
Abstract:The rapid increase in the proportion of renewable energy in the East China Power Grid System andthe continuous decline in the rotational inertia and frequency modulation resources in the system will pose a threatto the system's frequency immunity and stability. The existing research focuses on the devel...
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Number of views:890 Amount of downloads:1532
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LI Jiayu,HAN Yuan,WANG Jianjun,PAN Yue
Abstract:Modular multilevel matrix converter(M3C)is a multilevel topology that can directly realize ACACconversion,which has good application prospects in high-voltage transmission systems and DC distributionsystems,but the existence of bridge-arm circulating channels inside the M3C leads to a very complex controlst...
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Number of views:972 Amount of downloads:1528
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LIAO Zhijun,HUANG Liying,CAO Yun,TIAN Junling,RONG Na
Abstract:In the context of dual carbon,carbon trading mechanism and various energy complementary powergeneration mechanism are important mechanisms for China to achieve carbon emission reduction goals andsustainable development. A multi-energy system optimization model was proposed that takes into account carbontrad...
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Number of views:964 Amount of downloads:1527
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WANG Chaoliang,XIAO Tao,CHEN Songsong,ZHANG Hongzhi,CHEN Ke
Abstract:With the proposal of the "dual carbon" goal,the application of EVs is becoming increasinglywidespread. In order to further reduce the charging cost of EVs so as to easing the charging cost burden of EVusers,a coordinated control strategy for EV charging DC microgrid was proposed,which includes photovoltaic(...
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Number of views:1056 Amount of downloads:1527
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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:1225 Amount of downloads:1527
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FENG Xiang,YU Yue,LI Cheng,ZHENG Wei,LIU Jianhua
Abstract:The traditional ultra high speed permanent magnet synchronous motor(PMSM)driver uses PWMequivalent sine voltage output,which leads to severe motor heating due to large harmonics,and it cannot be used in situations where the input voltage changes over a large range,such as fuel cells. To reduce the heat gene...
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Number of views:1128 Amount of downloads:1523
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ZHANG Xuyang,ZHANG Maosong,WANG Xiuqin,CHEN Zhong,WANG Qunjing
Abstract:In view of the problem that the transfer branch of the current high-voltage DC circuit breaker mostlyadopts uncontrollable full-bridge transformer coupling energy supply,which is not conducive to controllable andstable power supply,and low energy utilization,a combined DC circuit breaker energy supply metho...
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Number of views:832 Amount of downloads:1521
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LÜ Jin,XU Li,SUI Dawei,GAO Qixin,XU Deshu
Abstract: With the rapid development of China's industrial economy,the demand for strip materials isincreasing,and the construction of strip production lines both domestically and internationally is growing year byyear. However,the complexity of large-scale rolling mill systems and the harsh working environment ...
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Number of views:1075 Amount of downloads:1520
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YAN Kun,GAN Jingfu,LIU Hongshun,SUI Yizhen,HE Pengkang
Abstract:A fusion prediction method was proposed to predict and correct the calculation deviation of the toptransformer oil temperature model in IEEE guideline,so as to realize the more precise prediction of the transformertop oil temperature(TOT). Firstly,the characteristics of the transformer TOT model and the ext...
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Number of views:969 Amount of downloads:1514
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LUO Meiling,HAN Zhongxiu,YU Xiaojun,WU Jianyun,HUANG Weibing
Abstract:The islanding detection method is a necessary method for grid-connected PV systems,but,thecurrent islanding detection method is prone to misjudgement when encountering grid operation states such as highresistance short-circuit ground faults and large-capacity load casting. For this reason,an islanding detec...
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Number of views:757 Amount of downloads:1513
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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:1009 Amount of downloads:1511
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QU Bo,LI Xin,XIANG Xingyao,ZHANG Ping,WANG Dan
Abstract:A microgrid optimization scheduling model considering dynamic network reconstruction wasproposed for the parallel and off grid scheduling problem of microgrids. The proposed model was based on Bendersdecomposition and decomposes the optimal scheduling problem of microgrids into a grid-connected operationmas...
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Number of views:874 Amount of downloads:1508