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CUI Mengyu,YIN Qinglong,GUO Xudong,LÜ Tuo,HU Qifeng,LIU Zhengyan
Abstract:The VPX power standard is currently the most compatible military embedded computer standardinternationally,and its modules can stably power multiple different functional modules in the chassis. A VPXpower board based on VITA46 and VITA62 standards was designed. The design architecture,ideas,and functionsof ...
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Number of views:424 Amount of downloads:387
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CHEN Xiaoru,HUANG Longyi,YANG Mingjia,LAI Shengjie,CHI Zibin,XIA Chengjun
Abstract:In view of the lack of flexibility in the input and exit of the current metal sheath loop suppressiondevice for high voltage cables,the problems such as excessive induced voltage of the sheath and excessive powerloss were not considered when determining the suppression impedance value,a loop suppression dev...
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Number of views:522 Amount of downloads:387
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JIANG Jian,XU Fengliang,WANG Fayi
Abstract:Reasonable planning of the active distribution network is an important part to improve the windenergy accommodation capability,however,the overuse of the wind power output and load timing characteristicsincrease the difficulty of model solving and have adverse effects on the optimal results. The Latin hyper...
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Number of views:430 Amount of downloads:386
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ZHANG Mingqi,YE Hong,LIANG Hao,ZHAO Bo,WANG Chao,WANG Kui
Abstract:Aiming at the problem that the circulating currents analysis of modular multilevel matrix converter(M3C)is not deep enough and the frequency component of circulating currents is not clear,the coupling process of submodule capacitor voltage fluctuation,bridge voltage fluctuation and circulating currents in M...
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Number of views:287 Amount of downloads:378
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HUANG Guanglei,TIAN Qidong,LIN Zhixian,ZHENG Weinan,XU Te,LI Bingran
Abstract:Due to the extensive addition of new energy systems,the number and types of power qualitydisturbances in the system are also increased accordingly. However,the traditional power quality disturbance(PQD)classification method has the problem of low accuracy and efficiency,and it is difficult to adapt to theex...
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Number of views:648 Amount of downloads:371
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LI Ning,WANG Ruyue,ZHU Longhui
Abstract:In order to analyze the power quality problem of actual power network under the influence ofuncertain interference factors,a power quality detection and recognition method combining empirical wavelettransform(EWT)and improved S-transform was proposed. On the one hand,the frequency,amplitude and timeparamete...
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Number of views:475 Amount of downloads:369
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HU Xiangyu,HONG Feng,SHAO Dongwei
Abstract:Switching power supply is now developing towards high-frequency soft-switching and high powerdensity,the volume of magnetic components is greatly reduced,and the excitation inductance of transformer nolonger meets the assumption of large excitation inductance in traditional analysis. Under this background,t...
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Number of views:347 Amount of downloads:363
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DENG Yaping,JIA Hao,ZHANG Xiaohui,TONG Xiangqian,WANG Lu
Abstract:The accurate recognition of power quality disturbance(PQD)is one of the main problems to besolved after PQD occurrence,which is of great importance for responsibility dividing and power market reformprocess accelerating. Massive quantities of power quality monitoring data prepare the ground for the recognit...
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Number of views:682 Amount of downloads:361
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XU Deshu,LIU Yanfang,ZHAO Hao,MA Zhiqiang
Abstract:The integrated energy system contains adjustable resources and flexible operating modes,which to acertain extent play a supporting role in the power grid and assist in optimizing its operation. Based on this,anoptimal operation model of integrated energy system considering support capacity to power grid was...
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Number of views:335 Amount of downloads:357
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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:332 Amount of downloads:355
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XU Hai,MI Yanqing,WANG Yanyang,XU Zhipeng
Abstract:Permanent magnet synchronous motor(PMSM)has the advantages of fast dynamic response,highpower density,and high torque at low speed,but the temperature variation and complex working conditions willcause the variation of PMSM parameters,thus affect motor performance and reduce the output efficiency. Toaddress...
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Number of views:445 Amount of downloads:354
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LI Xinhai,LUO Qifeng,ZENG Qingzhu,ZENG Xinxiong,YAN Chao
Abstract:The detection of composite insulator defects in substations still relies on inspection by operators,which is a heavy workload and prone to leakage due to visual fatigue. To reduce the computational resourceconsumption and shorten the training time,the region convolutional neural networks(RCNN)was improved b...
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Number of views:407 Amount of downloads:352
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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:330 Amount of downloads:351
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ZHAO Faping,SHE Yanjie,SUN Huanyu,BU Xiangzhou,BAI Tao
Abstract:A sliding mode linear self disturbance rejection control strategy was proposed to address the outputvoltage fluctuations caused by sudden load changes,changes in DC bus voltage,disturbance addition,and otherdisturbances in three-phase interleaved parallel DC-DC converters. Firstly,a mathematical model of th...
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Number of views:370 Amount of downloads:350
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YUAN Shaowei,LI Yuxiang,JIANG Jie,ZHANG Bei,ZHU Qing
Abstract:In order to solve the problems of intermittent and fluctuating distributed energy,took three majorphysical entities in the demand response project,namely system operator,load aggregator and load end user,as the research object,the transactions between supply and demand within the power system composed by the...
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Number of views:486 Amount of downloads:348