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FANG Qiang,CHENG Zhijiang,YANG Handi
Abstract: For the problem of uneven power output and unbalanced state of charge(SOC)of energy storageunits caused by large-scale integration of distributed generation systems(DGS),such as photovoltaic and windturbine,into the grid,an improved consistency algorithm based on gradient compensation was proposed based on...
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Number of views:825 Amount of downloads:610
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WANG Ru,WANG Haiyun,FAN Tianyuan,ZHANG Shengnan
Abstract: University buildings are major energy users,and there are two main forms of energy use:electricityand heat. Making full use of the roof resources of university buildings to develop solar energy projects andrationally allocate energy storage can effectively improve the energy economy. In order to improve th...
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Number of views:824 Amount of downloads:706
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LI Jianjie,GAI Pengyu,WANG Lihua,ZHANG Jian,SUN Hongbo,XIN Chunqing
Abstract: In order to improve the optimal allocation of renewable energy in microgrid and reduce theuncertainty of source load in microgrid,a multi-objective coordinated scheduling optimization method for microgrid based on Pearson correlation coefficient meta-learning(PCC-ML)source load prediction was proposed. Fir...
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Number of views:1079 Amount of downloads:901
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GAO Chong,PAN Xianxian,XU Zhiheng,ZHANG Junxiao,HUANG Ye,DENG Wenyang
Abstract: The effective evaluation of microgrid is an important reference for the planning,construction andoperation of microgrid. The comprehensive evaluation index system of microgrid planning was constructed step bystep from three aspects of composition structure evaluation,technical evaluation and benefit evalua...
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Number of views:1010 Amount of downloads:874
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LI Zhen,ZHAO Pengxiang,WANG Nan,CONG Lin,WANG Huiyuan,CAO Yan
Abstract: Exploring the flexibility of the heat and electricity coupling integrated energy system(HEC-IES),reducing system operation costs and promoting renewable energy consumption are hot issues in the field of energyinternet. Thus,a day-ahead optimal scheduling method of the HEC-IES considering the thermal dynami...
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Number of views:1075 Amount of downloads:943
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MA Bingtai,LIU Haitao,HAO Sipeng,LU heng,ZHANG Chengyu
Abstract: In photovoltaic and hybrid energy storage system,variational mode decomposition(VMD)iscommonly used to realize the distribution of system residual power,but the number of decomposed modes andsecondary penalty factor value affect the error of power reconstruction directly,and the inertia weight error ofcomm...
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Number of views:1085 Amount of downloads:1292
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ZHAO Jingjing,CHEN Linghan
Abstract: The penetration rate of renewable energy in the island AC microgrid was relatively high,and itssystem inertia was relatively low. The primary frequency regulation during island operation mainly relies onequipment such as diesel engines and energy storage. Using the fast adjustment characteristics of energy...
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Number of views:1073 Amount of downloads:1087
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JIAO Yingxue,HUANG Xuejin
Abstract: The problem of secondary frequency recovery and active power distribution for AC microgrid(MG)with bounded time delay were studied. A distributed dynamic event triggering control method was proposedfor distributed generator sets. The method used dynamic event triggering mechanism,which could greatly reduce...
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Number of views:937 Amount of downloads:850
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GU Jipeng,SHAO Liang,LU Chuiji,ZHANG Youbing,ZHANG Weijie,YANG Jifeng
Abstract: As an important basis of power system operation planning,short-term power load forecasting isgreat significant to the safe and economic operation of power system. A long-term and short-term time seriesnetwork(LSTNet)model was proposed to predict the short-term load variation of distribution area. The model...
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Number of views:997 Amount of downloads:929
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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:904 Amount of downloads:869
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ZHANG Zihua,LI Yan,XU Tianqi,WANG Yangguang,DENG Xiaoliang
Abstract: In order to improve the prediction accuracy of wind power in new wind farms effectively,theinfluencing factors between relevant wind farms were considered. A variational mode decomposition(VMD)technique was proposed to decompose the wind power preprocessing of a single wind farm into intrinsic modefunction...
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Number of views:913 Amount of downloads:769
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ZHANG Kuangyi,LIU Haitao,MA Bingtai,ZHANG Chengyu
Abstract: There are many fault distributions along the actual distribution network lines,but the existingvoltage sag stochastic assessment methods only consider the uniform fault distribution. According to the differentfault distribution characteristics along the line,a stochastic assessment method of voltage sag wa...
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Number of views:1123 Amount of downloads:973
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MENG Chao,WANG Lianzhi,XIE Min,FU Yichao
Abstract: As the existing system fails to evaluate the process of pushing the power grid dispatch controlinstructions,the push delay and energy loss increase. A feature selection-based automatic push system for power grid dispatch control commands was proposed.According to the characteristics of power grid dispatch ...
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Number of views:1098 Amount of downloads:879
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HE Wei,ZHAO Weizhe,RAO Zhen,LI Jia,SHAN Wenliang
Abstract: Along with the promotion of carbon neutrality and clean heating in countryside areas,operationalflexibility plays a more important role in electric power systems. Following this trend,a novel method was proposedfor evaluating the flexibility of biogas driven combined heat and power(CHP)considering the ther...
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Number of views:1048 Amount of downloads:949
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CHEN Guoping,WANG Juan,LIANG Zhen,ZHANG Zhiyu,BAI Haibin,SUN Qianhao
Abstract: The full fault-blocking converter(FFBC)-based DC power distribution network is an importantdirection of the power system with source-load-storage interaction. Since there is no DC breaker in FFBC-DCpower distribution network,the start-up,mode switching and fault handling control strategies of FFBC-DC power...
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Number of views:1757 Amount of downloads:1286