Integrated energy and modern power grid
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ZHANG Xiaolian,WU Qichuan,HAO Sipeng,Qin Shiqiu,HU Qi,ZHANG Jinhua
Abstract:The participation of wind power and energy storage in primary frequency regulation of power gridcan make better use of the advantages of wind power and energy storage for frequency regulation,which hasgradually become a new trend. However,there are some problems in the coordination of wind power system ande...
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Number of views:263 Amount of downloads:273
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LI Shunxin,ZHAO Xuan,ZHAO Yinan,YANG Min,DONG Shaoqiao
Abstract:With the continuous increase in the scale of distribution network construction and operation,a largenumber of electricity load control problems have emerged,especially the weakening of sample time seriescharacteristics in electricity load data analysis,resulting in incomplete acquisition of local load chara...
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Number of views:342 Amount of downloads:354
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MA Junchao,WANG Chenxu,SUN Dan,PENG Yan,ZHANG Zeyu,YANG Ying
Abstract:In response to the potential frequency secondary drop problem of direct-drive wind power systemsin the scenario of continuous frequency drop faults in the power grid,the principle of primary frequency regulationof direct-drive wind power systems was analyzed. A primary frequency regulation control strategy ...
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Number of views:325 Amount of downloads:320
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LIU Yawei,GUAN Peng,SUN Lunan,WANG Chunhui,WANG Hao
Abstract:The micro-grid solves the problem that the intermittent and fluctuating power generation hasadverse effects on the stable operation of the distribution network when the distributed generation is connected tothe distribution network. In order to meet the economic operation of micro-grid under grid connected ...
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Number of views:357 Amount of downloads:275
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BU Xianshuai,HE Shan
Abstract:In order to improve the accuracy and stability of short-term wind direction prediction,a winddirection prediction method based on lidar wind data and an improved nonlinear echo state network(NESN)model was proposed.First of all,wind direction data 100 meters ahead of the wind turbine was obtained by laser w...
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Number of views:267 Amount of downloads:264
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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:403 Amount of downloads:400
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FANG Yong,SONG Tao,GUO Ziqiang,WANG Jian,GUO Jie
Abstract:With the continuous development of renewable energy sources and the increasing share ofrenewable energy in the grid,optimal coordination of maintenance work becomes increasingly important in order to ensure the safety of power supply in power systems considering renewable energy access. Current tools formai...
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Number of views:326 Amount of downloads:320
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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:373 Amount of downloads:308
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HE Kuiyuan,YU Jiangtao,ZHU Qi,CAI Hui,GUO Qian,WEI Dong
Abstract:Aiming at the adverse effects of large-scale electric vehicle charging load on the distributionnetwork,based on vehicle to grid(V2G)technology,a V2G reactive dispatching strategy combining the nondominated sorting genetic algorithm and the local optimization of global objectives algorithm was proposed. The ...
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Number of views:586 Amount of downloads:1030
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LI Yajun,HE Shan,HU Bing,XIE Shaohua
Abstract:Aiming at the problems of high investment cost,low efficiency of electrolyzer operation and highfluctuation of power input in the new energy electrolytic water to hydrogen microgrid system,the scenery hydrogen production capacity configuration scheme with the installation cost of microgrid equipment and the...
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Number of views:451 Amount of downloads:704
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SONG Pengfei,WANG Maxiang,YANG Guixing,LI Jichen,KANG Pengpeng,WEN Shenghan
Abstract:To enhance the economic and operational flexibility of accompanying energy storage facilities innew energy power stations,as well as to improve the stability of supplying electricity directly to large users and thegrid-friendliness of large-scale new energy power stations,a two-stage robust configuration an...
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Number of views:432 Amount of downloads:796
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ZHAO Chencong,XIE Zhouhua,ZHOU Feihang
Abstract:Unbalanced grid voltage will affect the normal grid connection operation of the wind energyconversion system(WECS),resulting in fluctuations in system output power and distortion of output current. Inaddition,in the actual permanent magnet synchronous wind power system,there may be uncertainties in thenetwo...
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Number of views:368 Amount of downloads:627
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YU Jialin,GUO Jinrui,TU Xiaodong,LIU Weiliang,ZHONG Weidong
Abstract:To address the issue of over/under voltage in the distribution network due to the scale access ofdistributed generators and flexible loads under the "double carbon" target,an active distribution networkscooperative voltage control strategy based on the active support of electric vehicles(EVs)aggregation wasp...
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Number of views:543 Amount of downloads:516
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ZHOU Liang
Abstract:Under the change of island operation conditions,the microgrid will cause that the digital twin(DT)model cannot accurately match the source domain model when migrating,which will lead to low migrationefficiency and other problems. For this reason,an adaptive migration method of digital twins model under thes...
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Number of views:589 Amount of downloads:573
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SUN Heyu,JI Baowei,WEI Yushan,FANG Weihan,WANG Yangyang
Abstract:In response to the problem of slow response speed of main steam pressure in the coordinated controlsystem of thermal power units,the control effect of the coordinated control system was improved by blowing outsome of the stored powder in the pulverizing system. Based on the traditional milling system model,...
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Number of views:430 Amount of downloads:398