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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:536 Amount of downloads:791
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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:566 Amount of downloads:809
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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:476 Amount of downloads:612
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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:493 Amount of downloads:603
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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:481 Amount of downloads:573
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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:445 Amount of downloads:533
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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:679 Amount of downloads:745
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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:649 Amount of downloads:638
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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:619 Amount of downloads:677
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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:1234 Amount of downloads:974
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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:1226 Amount of downloads:1086
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LU Heng,LIU Haitao,XIA Tao,ZHANG Chengyu,HUANG Cheng
Abstract:Accurate line parameters are of great significance to the operation and control of the distributionnetwork. However,the line parameters of distribution network are affected by environment,working condition and temperature,etc. At the same time,due to the increasing complexity,randomness and volatility of di...
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Number of views:1216 Amount of downloads:902
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YAN Chengshan,QIU Mingquan,ZHANG Lijun,GUO Qi,WANG Chunlei,JIN Wenxing
Abstract: A voltage stability control strategy for DC microgrid based on muti-group energy storage unitdynamatic regulation was proposed. Due to the volatility of the new energy,and in order to improve the powersupply reliability of the energy storage system,the multi-group energy storage equipped with a certain con...
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Number of views:1047 Amount of downloads:757
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SUN Guangming,ZHNAG Weiguo,ZHOU Jing,LIU Hongpeng
Abstract: The integration of electric boiler and thermal storage system into power system is a feasible schemeto improve system flexibility and wind power consumption. In order to comprehensively consider the multi-agentconfiguration of electric boilers and heat storage systems in different thermal power plants,and ...
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Number of views:1009 Amount of downloads:737
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WANG Chengliang,PAN Zhixin,ZHAI Xuefeng,XIAO Yuhua,LIU Yu
Abstract: The mathematical model of magnetic coupled resonant wireless power transfer(MCR-WPT)system based on LCC-S compensation topology was established. Meanwhile,the influence on the transmissionperformance of the system was analyzed from three aspects:operating frequency,compensating inductance andload impedance...
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Number of views:992 Amount of downloads:757