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LI Hongqiang,WEI Yawei,MA Jing,ZHOU Lei,ZHANG Hanhua ,LU Guangming
Abstract:Under the large-scale renewable energy integrated with uncertain output characteristics,balancingthe supply and demand within a local area becomes a new challenge. The long-distance transmission andconsumption scheme is utilized for the sending-end grid to meet the requirements of renewable energy consumpti...
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Number of views:1927 Amount of downloads:5743
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LIU Jinchao,DUAN Hongmin,WU Letao,LIU Ligang,XU Chao
Abstract: Aiming at the phenomenon of pressure relief and deflagration caused by the faults of oil-immersedtransformer,a logic was proposed that the transformer can keep self-maintained running when faults occurred,and according to the logic,a scheme of oil circuit equipment was designed. The above logic and the sch...
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Number of views:5191 Amount of downloads:5743
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WANG Peng,LI Zhongzhao,GONG Zhaowei,ZHANG Ningchao
Abstract: In order to solve the problem of coupling mechanism offset in wireless power transfer system,theS-S and LCC-LCC dual topological wireless power transfer system based on parameter optimization was proposed.Firstly,the output characteristics of S-S and LCC-LCC topological energy transmission channels were an...
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Number of views:3929 Amount of downloads:5740
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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:3508 Amount of downloads:5736
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WAN Xiaojian,WAN Zibo
Abstract:A rotor position detection strategy based on virtual neutral point was proposed to realize positionsensorless control of BLDC motor. Through the three-phase terminal voltage with the same value of three resistancesstar connection to construct a virtual neutral point,the relationship between the virtual neut...
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Number of views:2398 Amount of downloads:5735
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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:3515 Amount of downloads:5735
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YU Jialin,GUO Jinrui,TU Xiaodong,LIU Weiliang,ZHONG Weidong
Abstract:To address the issue of over/under voltage in the distribution network due to the scale access ofdistributed generators and flexible loads under the "double carbon" target,an active distribution networkscooperative voltage control strategy based on the active support of electric vehicles(EVs)aggregation wasp...
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Number of views:1932 Amount of downloads:5734
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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:2289 Amount of downloads:5726
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CHEN Qian,FENG Yuan,LI Cheng,XU Yang,WANG Shuchun
Abstract:The proportion of new energy sources connected to the station area is increasing day by day,whichinevitably brings regulatory needs. Therefore,there is an urgent need for corresponding edge power flowalgorithms. In order to give consideration to accuracy,practicality and efficiency under the situation of we...
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Number of views:1429 Amount of downloads:5724
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ZHANG Xudong,WANG Yangyang,LI Xiaolong,LÜ Jin
Abstract:Aiming at the problem that the ripple content of current and voltage in cycloconverter speed controlsystem is large and the ripple period is time-varying,the real-time sampling value is not suited for feeding back tothe speed control system directly,a variable period mean sampling algorithm was proposed. Fi...
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Number of views:1861 Amount of downloads:5723
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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:1614 Amount of downloads:5720
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HU Yujie,ZHU Shenglong,WU Shaolei,FENG Yu,WANG Ming,LOU Wei
Abstract:The flexible DC interconnection of medium and low voltage can improve the flexibility andreliability of the distribution network,and the dual active bridge converter is a key link in achieving voltageconversion and electrical isolation in flexible interconnection equipment.The current source resonant dual a...
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Number of views:2286 Amount of downloads:5719
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GUO Dengke,MI Wentao,ZHUANG Feihu,XU Yiduan,FAN Ruini
Abstract: According to the requirements of quickly and reasonably formulating load transfer measures afterdistribution network failure at this stage,a reliability evaluation scheme for fault transfer based on K-fold verification was introduced. Square up various power supply modes,according to the energy balance equ...
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Number of views:4825 Amount of downloads:5711
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WU Ning,CAI Jie,LIANG Gonghao
Abstract: As an important part of smart grid monitoring system,the security of power wide area measurementsystem is very important. Therefore,in order to ensure the integrity and confidentiality of communication data inpower wide area measurement system and the communication security between terminal devices in the ...
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Number of views:2028 Amount of downloads:5708
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CHEN Linghan,LU Jia
Abstract: As the hub node in the energy internet,the transformer can adjust and control power quality,thenormal and stable operation of transformer is of great significance to the safe and stable operation of the energyinternet. In order to accomplish this objective,status assessment of energy internet transformer b...
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Number of views:3504 Amount of downloads:5706