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XU Hongkuan,LIN Shunfu,BIAN Xiaoyan,LI Dongdong
Abstract: With the reform of the electric marketization,it is of great and far-reaching significance for theconstruction of the electricity market to analyze clearly the credit evaluation problems of power users as the mainmarket. Aiming at the problem of power user credit evaluation,a comprehensive evaluation metho...
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Number of views:1921 Amount of downloads:1354
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YIN Yongliang,WU Qiong,ZHANG Jianping,ZHANG Heng,CHENG Haozhong,ZHANG Xiaohu
Abstract: With the increasing scale of wind power installation and grid connection,the interconnection ofpower grids through tie lines can absorb wind power in a wider range,but the uncertainty of wind power output leads to an increase in the risk of system operation. Conditional value-at-risk(CVaR)was introduced in...
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Number of views:2551 Amount of downloads:1820
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FU Yang,SIMA Chao,TIAN Shuxin,CAI Pengcheng,GU Jiping,LIU Shu
Abstract: Expected fault screening of smart distribution network is an important basis for system security situation assessment. In order to comprehensively and accurately perceive the security risk of smart distributionnetwork,a micro-synchronous phasor measurement unit(μPMU)with real-time,synchronicity,accuracy an...
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Number of views:2142 Amount of downloads:1728
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LIU Ronghui,MA Tiantian ,SUN Gaiping
Abstract:The potential dispatchable resources of electric power,heat,cool and gas in the integrated energysystem(IES)are important contributors to reduce the operating cost of IES. In order to guarantee the customersatisfaction while reducing operating cost of IES,a IES day-ahead optimal dispatch model considering a...
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Number of views:2227 Amount of downloads:1663
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WANG Chao,CAO Wei,ZHANG Xuhang,QIU Chunfeng,CHEN Wei,LI Yun
Abstract:Based on the low-speed communication network,a multi-energy storage operation method of DCmicrogrid with improved power droop control was proposed so as to realize the balanced control in three aspects:state of charge(SOC)balance,rational power distribution among energy storage units and stable bus voltage....
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Number of views:2170 Amount of downloads:1607
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ZHAN Chengkang,LI Xiaolu,LU Yiming,LIU Riliang,LI Congli
Abstract: With the access of large-scale distributed energy resources in active distribution network,thetraditional centralized control architecture system will not effectively deal with a large number of distributed unit,so it is necessary to study the optimal scheduling of distributed resource cluster in active di...
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Number of views:2074 Amount of downloads:1637
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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:2096 Amount of downloads:1351
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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:2163 Amount of downloads:1394
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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:2592 Amount of downloads:1537
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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:2553 Amount of downloads:1705
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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:2319 Amount of downloads:1446
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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:2335 Amount of downloads:1493
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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:2700 Amount of downloads:1445
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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:2680 Amount of downloads:1452
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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:2666 Amount of downloads:1566