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DING Qiang,ZHU Jie,JIANG Yingxu
Abstract: Direct-drive electrically excited synchronous motor(EESM)is obtained widespread utilization inwind power generation system due to its advantages of simple construction and low cost. Firstly,a mathematicalmodel of EESM was derived and the direct torque control(DTC)algorithm for EESM was introduced based on ...
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Number of views:1786 Amount of downloads:1091
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王德明,李英量,贾俊辉,解晨,王语园
Abstract: The conventional overcurrent protection is ineffective in isolating faults in microgrids due to the lowfault current level contributed by distributed generations(DGs). Because of its high agility and adaptability,themeasured impedance-based protection schemes are considered as common alternatives to detect...
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Number of views:1848 Amount of downloads:1104
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YU Xinhai,WANG Xin,SU Riguge,ZHANG Xiaoju
Abstract: Microgrid is an effective method to integrate distributed power supply into power grid. The optimaloperation of microgrid can effectively improve the utilization efficiency of renewable energy. The objectiveoptimization model was established,considering the economy of microgrid operation,the volatility of ...
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Number of views:2272 Amount of downloads:1198
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SHEN Hangyu,FAN Xiaochao,SHI Ruijing,WANG Weiqing, WANG Haiyun,CHENG Zhijiang
Abstract: In order to solve the problem of heat dissipation in the process of producing hydrogen fromelectrolytic water and generating electricity from fuel cells,an independent photohydrogen fuel cell thermoelectriccombined supply system was designed according to the principle of water cooling heat dissipation betw...
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Number of views:2251 Amount of downloads:1325
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XU Changbao,DING Jian,SONG Hongjian,PAN Chengda, SUN Pengbo,WANG Qihua,CHEN Hui
Abstract: An optimization method was proposed to layout electric vehicle charging facilities consideringpower quality constraints. A comprehensive power quality index model considering the average value of nodalthree-phase unbalance degree and the maximum value of nodal voltage deviation was established. Meanwhile,t...
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Number of views:2026 Amount of downloads:1077
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QIAN Xiao,MA Xiang,LÜ Leiyan,ZHANG Wenjie,WANG Ning,ZHI Yuemei
Abstract: Traditional power grid dispatching alarm algorithm has low alarm instruction operation efficiency,low power grid dispatching failure burst rate and high alarm error alarm rate,so the power grid dispatching alarmassociation rules and decision tree algorithm based on knowledge graph were proposed. The associ...
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Number of views:1997 Amount of downloads:1053
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WANG Chun,WU Pengtao,GUO Bin,LÜ Jing,HUANG Hongwei,MAO Wenzhao
Abstract: In order to improve the efficiency of power grid equipment maintenance,an evaluation index ofequipment maintenance value based on Markov model was proposed,and an optimization decision method of power grid maintenance based on maintenance value evaluation was constructed. The value evaluation index of powe...
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Number of views:2271 Amount of downloads:1165
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LU Shengzhi,CAO Junjie,ZHOU Feng,JIN Cheng,CHEN Zhenghua
Abstract: With the global energy and environmental problems becoming increasingly prominent,the regionalintegrated energy system(RIES)with multi-energy complementary characteristics is an effective solution. In orderto realize the comprehensive and reasonable evaluation of energy efficiency of the RIES,a detailed ev...
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Number of views:2266 Amount of downloads:1139
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GUO Jinzhi,PAN Zijun,YUAN Shaojun,SUN Rongfu,DING Ran, XU Haixiang,WANG Jingran,WANG Longyang
Abstract: The maximum power point tracking(MPPT)technology of the photovoltaic power generationsystem is the great significance to ensure the output efficiency of the photovoltaic power generation system and thestability of the system. An MPPT control algorithm was proposed based on an improved conductance increment...
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Number of views:2341 Amount of downloads:1117
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CAI Wenbin,CHENG Xiaolei,NAN Jianan,LÜ Haixia,LI Ye,LI Jingyu
Abstract: With the proposed goal of achieving double carbon in China,a higher proportion of new energy willbe connected to the grid in the future. An analysis method was proposed for assessing the adequacy of flexibilityresources of power system with a high proportion new energy. The adequacy index of proposed flexi...
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Number of views:2350 Amount of downloads:1239
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WANG Haozhu,XIE Qin,DENG Fangming,YANG Yang
Abstract: The growing demand for new energy electric vehicles(EVs)has further boosted the demand forelectric car charging. However,the gap between operating companies results in that the information of charging piles cannot be fully and effectively presented to the demanding public.Aiming at the above problems,a new...
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Number of views:2232 Amount of downloads:1181
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YUE Yuanyuan,ZHANG Chao,YUAN Xingzhong,ZHU Anming, HUANG Zongjun,JIANG Bo,ZHANG Yuhan
Abstract: The spatial load of multi-power distribution network is easy to overload,which leads to thereduction of distribution network planning stability. A dynamic planning and optimization method of multi-powerdistribution network considering the spatial load layout was proposed. According to the equivalent topolo...
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Number of views:2258 Amount of downloads:1103
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ZHANG Hao,WANG Xuanyuan,NING Bo,LIU Zhen,LIUYa,HUANG Hongwei
Abstract: In order to improve the actual utility of power electricity package decision and avoid the default riskcaused by blind choice,the response stability of power users according to their purchase contract was studied ,apeak-valley power electricity package decision-making method considering response stability ...
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Number of views:2408 Amount of downloads:1084
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DAI Yanwen,YU Aiqing
Abstract: In order to improve the reliability of microgrid operation and renewable energy power absorbability,a capacity optimization allocation method of energy storage system based on improved nondominated sortinggenetic algorithm Ⅲ( NSGA-Ⅲ )was proposed. Firstly ,a two-layer optimization model of energy storageco...
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Number of views:2379 Amount of downloads:1190
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ZHANG Jinbo,YIN Yuan,SHI Jian,LIN Shaoyuan,YAN Lei,HUANG Xiaoyu, LIN Yubin,YANG Dishan,CHENG Nuo
Abstract: In order to reduce the measurement error of transmission line crossing distance and reduce theoccurrence rate of transmission line accidents,a method of transmission line crossing distance measurement basedon grid information model was proposed. The platform of crossing distance measurement including data ...
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Number of views:2480 Amount of downloads:1221