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WANG Yi,JIA Hongbo,WANG Cong,ZHANG Lihui,YANG Minghao,LI Baohui
Abstract:It is an important means to improve the anti-G ability of pilots to simulate the flight G-loadcharacteristics of aircraft in full envelop flight on the ground through centrifuge. With the great improvement ofmaneuvering performance of manned aircraft,it is extremely difficult to accurately analyze its fligh...
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Number of views:1954 Amount of downloads:4655
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HUO Zhen,XIE Jingcheng,WANG Chenyu,LIU Hao,MENG Jianhui,GAO Benfeng
Abstract:Grid-forming(GFM)converter is a voltage source and has good adaptability and frequency-voltagesupport in weak grid,but is prone to oscillation instability in strong grid due to impedance characteristics. To solvethis problem,based on the analysis of the impedance characteristics of the GFM converter,an adap...
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Number of views:1948 Amount of downloads:7814
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ZHANG Chunli,LIU Hongwen,FANG Pengxing,CHAI Chenchao,ZHANG Wenqiong
Abstract:Incidents such as the burning of electromagnetic voltage transformers(PT),damage to primaryharmonic suppressors,and fuse tripping occur frequently in low and medium voltage distribution systems due toferroresonance,severely affecting the safe and stable operation of the system. Therefore,through theoretical...
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Number of views:1947 Amount of downloads:6255
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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:1944 Amount of downloads:4882
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YAN Yulin,XIAYankun,LIU Liyou
Abstract: In order to achieve equal current, a constant current source should be used to drive the LEDs. Aconstant current source based on two output Cuk improved circuits was proposed. The circuit structure, workingmode and constant current principle were analyzed, and the voltage, current and power expressions wer...
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Number of views:1943 Amount of downloads:4394
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WU Jiawei
Abstract:Electrically assisted manufacturing(EAM)is a promising and rapidly developing metal processingmethod.The power supply is a key sub-system for EAM,which needs to be designed properly. the model-baseddesign of a low-voltage high-current pulse power supply used for EAM was proposed based on converter-levelelec...
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Number of views:1942 Amount of downloads:4075
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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:1941 Amount of downloads:6249
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HUANG Xinbing,DENG Xinglong,LIU Xiaojuan
Abstract: Aiming at the problems of low production efficiency,poor consistency of appearance and high laborintensity in the manual way of packaging tin box sleeve film for bagging drinks and tea,a kind of automaticequipment for multi-tin box supporting sleeve film was proposed,which integrated application of program...
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Number of views:1941 Amount of downloads:7269
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MAO Fang,MIAO Xinzhao,LIANG Qianyuan,TANG Fangwen
Abstract:Compared to partial life cycle assessment,the full life cycle assessment is more complex anduncertain,with the difficulty of comprehensively considering carbon emissions and their multiple influencingfactors at each stage,resulting in fuzzy assessment boundaries and dynamic repetition of the process. To thi...
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Number of views:1935 Amount of downloads:6378
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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:1934 Amount of downloads:7447
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WANG Yuhao,LIU Haitao,ZHU Kangkai,ZHONG Cong,MA Jiayi
Abstract:With the increased penetration rate of new energy year by year,it is difficult to accurately predictthe randomness and fluctuation characteristics of its output,causing a severe challenge to the operation,planningand scheduling of electrical power system. Therefore,modeling for the uncertainty of new energy...
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Number of views:1934 Amount of downloads:4987
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SONG Hui,YUAN Longxiang
Abstract: Aiming at the problem of single hot spot temperature under average state and long response timeunder different load states,in order to improve the response speed,a 10 kV transformer load state detection method based on K-means algorithm was designed. The 10 kV transformer load model was established,the ove...
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Number of views:1934 Amount of downloads:4305
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JI Huancong,XIA Chengjun,WANG Zeqing,LAI Shengjie
Abstract: Aiming at the problems of high cost and poor voltage quality in the conventional power distributionscheme of long-distance electrical equipment of rail transit,a technical scheme of DC power distribution for longdistance electrical equipment was proposed to achieve the purpose of improving voltage quality ...
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Number of views:1929 Amount of downloads:4755
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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:1925 Amount of downloads:7339
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CHENG Shiwei,ZHAO Shiwei
Abstract: To cope with the increasing demands of the application of high step-up DC-DC conversion,such asthe absorption of renewable energy,electric vehicles and aerospace,a high step-up DC-DC converter based onthree-winding coupled inductor with low voltage stress was proposed by utilizing magnetic coupling technol...
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Number of views:1925 Amount of downloads:4375