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HU Junhua,WEI Huabing,FUYinfang,QIAOMin,GAO Baolong
Abstract: The safety monitoring of existing ultra-high voltage direct current(UHVDC)converter stationsmostly adopts manual on-site detection,which presents major safety hazards and high labor costs. In order to meetthe safety needs of the power transmission system,a multi-angle joint monitoring system was designed f...
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Number of views:902 Amount of downloads:1731
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JIANG Jingwen,ZHOU Jiemin,HONG Feng,ZHENG Gang
Abstract: On the basis of LLC,considering from the perspectives of soft-switching technology,DC/DCcascade converter technology and three-level technology,a new DC/DC composite cascade structure topology onthe basis of Buck-LLC structure was proposed. A 980 W prototype was designed and built for verification,whichpro...
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Number of views:1147 Amount of downloads:952
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WANG Jiarong,DAI Guanghua,HU Liang,GAO Jingxiang
Abstract: In order to realize the application requirements of SiC power devices,a novel dual edge-triggeredisolated drive circuit was proposed. The circuit have the advantages of full isolation of driving signals,strongdriving ability,wide switching frequency range with 0 Hz~500 kHz signal transmission and strong of...
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Number of views:1171 Amount of downloads:1131
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SONG Zhuoran,DOU Wenlei,LI Jianfeng,JIANG Tao,LU Sichen,JI Hansong
Abstract: In order to improve the operation economy of the distribution system with multiple industrial parksand restrain the power fluctuation of the distribution-micro tie line,a multi-time scale optimization schedulingstrategy for the distribution system with multiple industrial parks was proposed based on the ro...
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Number of views:1069 Amount of downloads:1113
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TAO Li,YANG Xiaxi,GU Jinhui,WEI Bingbing,ZHANG Lin,WANG Jianing
Abstract: Virtual power plant(VPP)can integrate distributed energy resource(DER)to participate in theoperation of power market and auxiliary service market,and provide management and auxiliary services fordistribution network and transmission network. Its operation and control have been widely concerned. Aiming at t...
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Number of views:1151 Amount of downloads:985
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ZHOU Zhifeng,ZHU Wen,XIAWei,FANG Wenchong,HE Chaolin
Abstract: Under the background of energy internet,due to the access of massive sensor nodes,the amount and types of data in energy internet have increased dramatically,and centralized data processing has a great impact on the updating of substation drawing model. Therefore,a control measure of automatic updating of ...
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Number of views:1028 Amount of downloads:1003
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WANG Linfeng,XU Nan,NIE Jing,XIE Yantao,SONG Yan
Abstract: Investment estimate prediction model in traditional transmission line(TTL)project has problemssuch as large deviation from the actual cost and low efficiency of estimation management. Thus,a novel investmentestimate prediction model in TTL project was presented with assistance of principal component analys...
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Number of views:1175 Amount of downloads:1198
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YAN Chengshan,QIU Mingquan,ZHANG Lijun,ZHANG Guorui,WANG Chunlei
Abstract: Aiming at the problems of regional large-scale photovoltaic construction and access,as well as thelack of control of existing distributed energy,the construction and operation control method of microgrid groupwere put forward,which extracted a three-level and two-stage coordination and interaction system s...
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Number of views:1261 Amount of downloads:2278
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TANG Junyi,DONG Xuetao,QIN Yanhui
Abstract: The large-scale grid connection of renewable energy with strong randomness and volatility and thenet load fluctuation caused by time sequence put forward higher requirements for the operation flexibility of powersystem. In order to quantitatively evaluate the operation flexibility capacity of power system,...
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Number of views:1000 Amount of downloads:803
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CHEN Kun,SUN Kaiyuan,LIN Lin,WANG Meng,ZHENG Jiehui,LI Zhigang
Abstract: With the massive access of renewable energy sources and pluralistic load,it is bi-directionalbeneficial to update the distribution network topology. It can not only promote the consumption of renewableenergy and the satisfaction of new load demands,but also improve the rationality of urban distribution net...
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Number of views:1021 Amount of downloads:854
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SU Le,CHENG Jing,WANG Weiqing
Abstract: In recent years,the broadband oscillation of power system caused by new energy grid-connectedoccurs frequently. As an important part of new energy,photovoltaic power station can't be ignored. In order toexplore the broadband oscillation of photovoltaic grid-connected,a detailed linear mathematical mode...
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Number of views:1085 Amount of downloads:1535
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YANG Xiaochu,WANG Guanwen,LUO Guogan,XU Shipeng,ZHANG Dingwang
Abstract: The composition of the double-fed induction generator(DFIG)is complex,and its operation andmaintenance are difficult. Due to the relatively complex electromagnetic transient characteristics of the fault,theextraction quality directly affects the reliability of the fault detection results of the DFIG. Aimin...
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Number of views:997 Amount of downloads:805
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LIAO Zhiwei,ZHUANG Jing,WANG Bowen,ZHENG Guangyu,XIE Xunkai
Abstract: Aiming at the problems that high voltage direct current(HVDC)transmission line protection andfault location are vulnerable to lightning interference,and the traditional lightning interference identificationmethods of transmission line based on time-domain and frequency-domain features exist the problems of...
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Number of views:831 Amount of downloads:1057
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XIAO Quan,ZHOU Xiaoshan,WANG Ruiqing,LIU Yuqi,ZHAO Xianyuan
Abstract: The excitation control module of synchronous generator is the key equipment for power productionand safe operation,and the localization rate of its key materials is low. Based on the control performance of thesynchronous generator excitation control module,starting from the research of chip independent con...
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Number of views:1290 Amount of downloads:971
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GONG Yanchao,YANG Haiyun,MIAO Junjie,GAO Zhi
Abstract: Parallel capacitor banks can effectively improve the efficiency and quality of power transmission inthe application process of power distribution network. However,due to some unreasonable factors in the switchingmode of power capacitors,it will also generate overvoltage,thus affecting the power grid. stabi...
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Number of views:1257 Amount of downloads:938