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ZHANG Yuanbo,JI Wei,ZHANG Yun,DAI Zhihui,HE Jingyuan
Abstract:The traditional fault calculation method in the case of distribution network with multi-point Tconnected inverter interfaced distributed generator(IIDG)has the problems of complicated calculation process and large calculation amount. Therefore,a fault calculation method for new distribution systems with T-c...
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Number of views:23 Amount of downloads:32
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SHANG Liqun,WANG Shuo
Abstract:As the proportion of installed photovoltaic(PV)capacity increases year by year,accurate predictionof PV output and the realization of group control and management of PV clusters become crucial. A multi-site PVoutput prediction method that integrates deep fusion of graph convolutional neural network(GCN),lon...
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Number of views:22 Amount of downloads:39
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LAI Jiayuan,YAO Ruotian,LIU Dishen,BAI Hao,XIA Zipeng,LIU Yipeng
Abstract:In order to further improve the power density and output performance of the transformerlessmedium-voltage power quality control device,a partial submodule multiplexing modular multilevel converter(PSM-MMC)topology and its control strategy were proposed. The PSM-MMC was composed of four groups ofarm submodul...
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Number of views:7 Amount of downloads:4
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LIU Yuqing,ZHANG Shijie,SHI Deyong
Abstract:Under the planned system,the fixed price makes it difficult to encourage hydropower to participatein regulation,and the complex hydraulic constraints lead to difficulties in hydropower spot market clearing. Toencourage hydropower to participate in regulation through spot-price incentives and enrich its reve...
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Number of views:6 Amount of downloads:6
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LEI Qiang,WU Pengrong,LI Zhenwen
Abstract:In response to the intermittency and uncertainty of wind power generation,which result in low windpower utilization and high electricity purchase costs in microgrids,an intelligent dispatch strategy based on aresidual-like soft actor-critic(R-SAC)algorithm was proposed. The scheduling problem was formulated...
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Number of views:7 Amount of downloads:9
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GUO Wen,HUANG Zhu,ZHOU Mingzhong,WANG Danxiang
Abstract:The excitation inrush generated when the no-load transformer is closed may appear to causeequipment failure,affect the power quality and lead to line overload and other problems,at this stage,phasecontrolled opening and closing is an effective means of suppressing the inrush,the circuit breaker closingchara...
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Number of views:693 Amount of downloads:2721
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LU Shanshan,LI Li,LI Lin,SUN Haibo,WU Runze
Abstract:In recent years,the large-scale access of a large number of new power distribution services such asdistributed power generation,electric vehicles,and flexible load control has led to a sharp increase in the operating pressure of the power cloud master station. To this end,an adaptive resource allocation met...
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Number of views:844 Amount of downloads:2668
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YIN Li,SHENG Junjie,YUAN Jie,FENG Yanjun
Abstract:In the context of carbon neutrality,an optimal pricing strategy for electric vehicle charging stationsconsidering carbon emissions was proposed. Firstly,a price response characteristic model of electric vehicle userswas constructed. Secondly,an optimal pricing model with the lowest carbon emission,the minim...
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Number of views:851 Amount of downloads:2653
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ZHANG Bin,LI Guoqing,LIU Dagui,SHI Wei,XIAO Guilian
Abstract:Reliability assessment of distribution systems is a crucial foundation for maintaining their powersupply continuity. For existing distribution network photovoltaic systems,solar irradiance modeling was limited toits exponential autocorrelation. To enhance the reliability assessment through accurate predicti...
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Number of views:634 Amount of downloads:2563
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AN Juan,HUANG Cunqiang,LI Junxian,LIU Xingwen,WANG Yusi
Abstract:The intermittency and uncertainty of large-scale distributed new energy bring great challenges to thestable operation of power system. Intelligent soft open point(SOP)and energy storage are effective ways to absorb distributed new energy in spatial and temporal dimension,and play an important role in improv...
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Number of views:586 Amount of downloads:2353
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YIN Xiang,WU Chaoqun,LIU Yan,CHENG Shi,ZHAI Liang,LI Xing
Abstract:Wind power and other fluctuating renewable energy sources pose serious challenges to the safe andstable operation of the power grid. Integrating energy storage technology with wind power can effectively mitigatethe volatility of wind power output and enhance grid frequency security. A dual adaptive particle...
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Number of views:522 Amount of downloads:2545
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XU Qianxi,ZHAO Yangyang,CHEN Xueni,YU Yingjun,YOU Rui
Abstract:The load-transfer after the distribution area fault and mutual power support between distributionareas can be realized with the flexible interconnection device(FID)based on power electronic devices. Aiming atthe becoming increasingly prominen three-phase unbalance problem,a three-phase current unbalance reg...
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Number of views:581 Amount of downloads:2401
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CHE Zihang,WU Jiahui,WANG Weiqing,ZHANG Hua,YANG Jian,PEI Yufeng,ZHANG Jingang
Abstract:To further improve the economy of integrated energy system(IES)capacity allocation,an IESoptimization configuration model based on supply-demand collaborative response was proposed,aiming todetermine the optimal comprehensive capacity of various equipment in the system. First of all,based on thecharacterist...
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Number of views:1270 Amount of downloads:4594
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CUI Yulu,SHANG Xingming,QIAN Xin,TONG Xiaoqing,ZHANG Zhiguo
Abstract:In response to the susceptibility of wind storage DC building microgrid systems to externalinterference,the DC bus is prone to instability during multi-mode switching and high-power load switching,posing a serious threat to the safe and reliable operation of electrical equipment. A large-signal simplified m...
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Number of views:1454 Amount of downloads:4666
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QI Zhenbiao,BAO Yuying,FAN Shen,PAN Min,HU Pengfei,WU Hongbin
Abstract:In the multi-source measurement system of distribution network,the sampling frequency and timestamp of multi-source measurement equipment are not synchronized,as well as the bad data in the system,whichwill lead to the bias among the measurement data,thus affecting the accuracy of state estimation. To this ...
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Number of views:1122 Amount of downloads:4505