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HE Hengjing,ZHOU Shangli,ZHANG Bensong,XIE Wenwang,LIAN Xinkai,XU Haotian
Abstract: In order to apply the non-instrusive load montiring technology into the new generation of smartmeter,a kind of method based on the BP neural networks enhancement algorithm of clustering for loadidentification was presented. In this method,each feature was relatived to the corresponding cluster based on the...
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Number of views:3885 Amount of downloads:8502
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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:2368 Amount of downloads:8491
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ZHAO Hao,LU Jinke,ZHU Yidi,ZHOU Ziniu,DU Weixi
Abstract:Junction-case thermal resistance has always been a highly concerned thermal parameter of powersemiconductor devices,which is also the standard to weight the heat sink performance of power semiconductordevices. Heat-sink design should be considered in order to prevent device overheating damage. Therefore,acc...
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Number of views:2939 Amount of downloads:8480
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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:1968 Amount of downloads:8478
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GAO Shanxue,YANG Xin,SHEN Wenbing,ZHONG Wei,ZHANG Shuai,WANG Min
Abstract: DC microgrid usually consists of a plurality of power electronic converters with feedback controlconnected to a common DC bus. Although the control loop design of each individual converter has a good stabilitymargin,the interconnection of multiple power and load converters can cause stability and performan...
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Number of views:3986 Amount of downloads:8477
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HU Xiangzheng,GAN Pei,LI Ke,WU Wenqi,GUO Hanting,HUANG Xianjin
Abstract:The insulated gate bipolar transistor(IGBT),as the core device of power electronics system,iswidely used in industrial control,transportation and new energy power generation due to its high efficiency andhigh switching frequency. However,the internal bonding wire is vulnerable to thermal stress and current ...
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Number of views:1821 Amount of downloads:8472
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LIU Ronghui,MA Tiantian ,SUN Gaiping
Abstract:The potential dispatchable resources of electric power,heat,cool and gas in the integrated energysystem(IES)are important contributors to reduce the operating cost of IES. In order to guarantee the customersatisfaction while reducing operating cost of IES,a IES day-ahead optimal dispatch model considering a...
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Number of views:3940 Amount of downloads:8465
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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:2197 Amount of downloads:8464
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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:5138 Amount of downloads:8459
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MAYuefeng,ZHAO Suqi,WANG Kai
Abstract:Microgrid is an effective method to integrate a large number of distributed generators into the powergrid. Aiming at the optimal dispatch problem of microgrid,an optimal dispatch method based on proximal policyoptimization algorithm was proposed. Firstly,the optimal diapatch model of microgrid was construct...
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Number of views:2442 Amount of downloads:8456
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ZHAN Chengkang,LI Xiaolu,LU Yiming,LIU Riliang,LI Congli
Abstract: With the access of large-scale distributed energy resources in active distribution network,thetraditional centralized control architecture system will not effectively deal with a large number of distributed unit,so it is necessary to study the optimal scheduling of distributed resource cluster in active di...
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Number of views:3470 Amount of downloads:8424
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WU Ning,CAI Jie,LIANG Gonghao
Abstract: As an important part of smart grid monitoring system,the security of power wide area measurementsystem is very important. Therefore,in order to ensure the integrity and confidentiality of communication data inpower wide area measurement system and the communication security between terminal devices in the ...
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Number of views:2405 Amount of downloads:8421
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ZHANG Dewang,CHEN Zhigeng,ZHANG Zhichao,ZHOU Yu
Abstract: Traditional point prediction is difficult to analyze the randomness and uncertainty of wind powerinadequately. Aiming at the shortcomings of point prediction,an interval prediction model based on improvedwhale optimization algorithm and fast learning network(IWOA-FLN)was proposed. Firstly,the convergencesp...
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Number of views:4519 Amount of downloads:8417
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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:2342 Amount of downloads:8416
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LÜ Feichun,HU Jingtao,ZHANG Wentao,HU Dong,WU Xu
Abstract: In recent years,the large-scale grid connected operation of distributed energy has led to the gradualevolution of traditional power users from simple power consumers to prosumers with both power production andconsumption capacity,and can orderly participate in market transactions under the guidance of mark...
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Number of views:3757 Amount of downloads:8416