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GU Jipeng,SHAO Liang,LU Chuiji,ZHANG Youbing,ZHANG Weijie,YANG Jifeng
Abstract: As an important basis of power system operation planning,short-term power load forecasting isgreat significant to the safe and economic operation of power system. A long-term and short-term time seriesnetwork(LSTNet)model was proposed to predict the short-term load variation of distribution area. The model...
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Number of views:3029 Amount of downloads:8441
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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:3028 Amount of downloads:9050
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HU Qingjun,CAO Xinhui,FENG Yu,ZHU Lipeng,ZHAO Wenjing,WEI Yushan
Abstract: The process automation control system L2 of an aluminum zinc plating production line wasexplored. In response to potential production faults on the production line,a process data control module of theprocess automation control system was provided. Through the analysis of process data,the fault location of ...
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Number of views:3026 Amount of downloads:15231
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JIAO Xiaofeng,WEI Chao,HU Hongbin,FAN Zeguo,ZHANG Lihui
Abstract: With the acceleration of my country' s power spot market construction process,in order to solve theproblem of heat-electricity mismatch in the northern region,two different day-ahead scheduling strategies of aflexible co-generation plant based on the participation of cogeneration units in the day-ahead...
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Number of views:3025 Amount of downloads:9039
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QIN Changfeng,YIN Jiang,SONG Shijie
Abstract:In order to solve the problem of parameter estimation in the high-performance control of squirrelcage asynchronous motor,a method for joint parameter identification of asynchronous motors with dual modelsbased on improved whale algorithm was proposed. This method can effectively identify the stator resistan...
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Number of views:3022 Amount of downloads:11413
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WANG Yajing,ZHANG Shuai,JIANG Han,SONG Hongliang
Abstract: In order to improve the carrying capacity and resilience margin of the distribution network systemcontaining microgrid,a topological resilience optimization model of the distribution network system containingmicrogrid was established to achieve the resilience optimization objective of the distribution netw...
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Number of views:3019 Amount of downloads:9725
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LIU Hui,SU Jianhui,ZHANG Jian,LIU Shuo,SHI Yong,ZHANG Jie
Abstract:Wireless power transfer(WPT)load voltage,current and other state information need to be sent tothe original side for closed-loop control and monitoring processing,the secondary side to the original side of thecommunication is very important. Firstly,the topology and working principle of capacitive modulated...
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Number of views:3017 Amount of downloads:9392
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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:3011 Amount of downloads:14811
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LI Zhen,ZHAO Pengxiang,WANG Nan,CONG Lin,WANG Huiyuan,CAO Yan
Abstract: Exploring the flexibility of the heat and electricity coupling integrated energy system(HEC-IES),reducing system operation costs and promoting renewable energy consumption are hot issues in the field of energyinternet. Thus,a day-ahead optimal scheduling method of the HEC-IES considering the thermal dynami...
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Number of views:3009 Amount of downloads:8600
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CUI Qian,ZHOU Jiemin,DING Zhengdao,QIN Jina,GAO Yiqing,JIANG Pengchuan
Abstract:In order to solve the problem of overvoltage and overcurrent in the process of load sudden changefor ion thruster screen grid power supply,the phase shift pulse frequency modulation(PS-PFM)was used tostabilize the output voltage of the LLC resonant converter. When the sampling voltage is lower than the lowe...
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Number of views:2990 Amount of downloads:10950
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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:2990 Amount of downloads:9801
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WANG Wenyuan,LUO Zhiwei,XIA Huan,CHEN Jie
Abstract:The modeling of distributed power sources in DC microgrids serves as the foundation for large-scalepower system simulations. However,the difficulty in obtaining electromagnetic parameters of diesel generatorshampers the accuracy of their electrical characteristic modeling. To address this issue,a data-drive...
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Number of views:2972 Amount of downloads:10894
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CHEN Xiaoru,HUANG Longyi,LAI Shengjie,YANG Mingjia,WANG Zeqing,XIA Chengjun
Abstract:The circulating current of metal sheath in high voltage cable is the superposition of induced currentcomponent and leakage current component. At present,the calculation of induced current component is relativelymature,but the calculation of leakage current component is insufficient,which affects the final c...
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Number of views:2972 Amount of downloads:8921
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LI Haifeng,CHEN Bin,CHEN Jin,HU Xiwen,LIU Youbin
Abstract:Line commutated capacitor high-voltage direct current( LCC-HVDC)is an important technicalform of high-voltage direct current transmission. Since the converter valve was composed of semi-controlled devicethyristors,the commutation failure of the inverter-side converter station has become a key issue affectin...
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Number of views:2967 Amount of downloads:17468
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LI Shengnan,HE Tingyi,HE Xin,HE Peng,ZHANG Yongchang,ZHANG Shengan
Abstract:During the joint operation of permanent magnet direct drive wind power generation systems,thechanges in motor side parameters may cause problems such as reduce control accuracy and stability on the machineside,which in turn affects the DC bus voltage of the converter,leading to power fluctuations on the gri...
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Number of views:2957 Amount of downloads:15114