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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:1939 Amount of downloads:6481
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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:2027 Amount of downloads:6478
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LI Gang,XU Bin,WANG Xiaoming,ZHAO Wenguang,FANG Zhao,WU Hongbin
Abstract: The distributed control strategy of the distribution network with distributed generation is expected tosolve the voltage control problem of the distribution network. However,distributed generation are loosely distributed in space,and communication problems such as communication delay and packet loss betwee...
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Number of views:1868 Amount of downloads:6474
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LIU Chunhui,ZHANG Zheng,FAN Hongzhen,MOU Huilong,HUANG Cunkuan,YUAN Fang
Abstract: Multi-energy complementary generation operation had become a new direction to improve theefficiency of new energy utilization,and it is particularly important to analyze the characteristics of multi-energycomplementary generation. According to the operation characteristics of multi-energy complementary gen...
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Number of views:4910 Amount of downloads:6471
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ZHA Haitao,XU Kexin,LI Xiaowen,LIU Bin
Abstract: Active power filter(APF)is one of the main ways to eliminate harmonic quality problems in powergrid,and LCL filter is commonly used to connect APF to power grid. In order to suppress the resonance problemcaused by LCL filter,active damping based on capacitor current feedback is a common method. Active damp...
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Number of views:2989 Amount of downloads:6467
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YANG Zhaohui,WEI Huadong,HE Liuqing,ZHANG Hao,PENG Guoping,SHI Ben
Abstract:Aiming at the problem of large switching loss of modular multilevel converter(MMC),startingfrom the switching frequency optimization strategy,the existing switching frequency optimization strategy wasimproved,and the accurate analytical formula of sub-module capacitor voltage based on the real-time value of...
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Number of views:1975 Amount of downloads:6465
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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:4107 Amount of downloads:6454
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CHEN Dongdong,ZHANG Shengqi,XIAO Long
Abstract:Due to the wide control bandwidth of the shunt active power filter(SAPF),the resonance problemof the LCL output filter has become a key problem of the SAPF. To solve the resonance problem of the LCL filter,anovel damping method based on active damping circuit was proposed to achieve the damping effect witho...
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Number of views:2088 Amount of downloads:6451
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ZHOU Xuesong,GUO Kairui,MAYoujie,ZHONG Weibao
Abstract: Although the parallel connection of inverters in a microgrid system increases the system capacity,itcreates a circulation path which provides the conditions for the generation of zero-sequence circulating current(ZSCC). In order to solve the problem of system loss caused by ZSCC,a ZSCC controller was desig...
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Number of views:3771 Amount of downloads:6451
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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:2093 Amount of downloads:6444
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TAO Li,YANG Xiaxi,GU Jinhui,WEI Bingbing,ZHANG Lin,WANG Jianing
Abstract: Virtual power plant(VPP)can integrate distributed energy resource(DER)to participate in theoperation of power market and auxiliary service market,and provide management and auxiliary services fordistribution network and transmission network. Its operation and control have been widely concerned. Aiming at t...
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Number of views:2270 Amount of downloads:6429
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SUN Tao,WANG Tao
Abstract: The semi-bridgeless dual Boost power factor correction(PFC)circuit can obtain higher conversionefficiency without increasing common mode noise,but the return current of the input AC terminal producesadditional losses on the introduced diodes,which reduces the conversion efficiency. The replacement of diode...
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Number of views:1766 Amount of downloads:6427
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REN Hao,QIU Xiaoyan,ZHANG Zhirong,SUN Xu,ZHANG Mingke
Abstract: With the development of electric vehicle(EV),there are a large number of EV charging load in thepower grid. Because of its unique advantages,AC/DC microgrid is more convenient for the access of AC slowcharging pile and DC fast charging pile. However,large-scale EVs integration will bring impact to the powe...
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Number of views:5079 Amount of downloads:6423
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WANG Mingshen,PAN Yi,MIAO Huiyu,HAN Huachun,ZENG Fei,YUAN Xiaodong
Abstract:In response to the problems of insufficient consideration of charging pile resource constraints,lowpracticality of time-domain discrete models,and inadequate description of peak shaving capabilities in the currentoptimal scheduling of electric vehicles at charging stations,an optimal scheduling and peak sha...
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Number of views:895 Amount of downloads:6420
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WU Xiangyu,XUN Chao,XIAO Fen,LIN Keyao,LIN Chaoqun,CHEN Bojian
Abstract: Existing long-term electricity consumption prediction methods are difficult to solve the problem ofvariable selection,which leads to inaccurate prediction results of power consumption. Therefore,combining theradio frequency variable selection in random forest(RF)algorithm with long short-term memory(LSTM)r...
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Number of views:2544 Amount of downloads:6420