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SONG Zhuoran,LI Jianfeng,JIANG Tao,DENG Xinyang,LIU Yu
Abstract: There are parameter identification errors in the process of distribution network synchronousmeasurement configuration. The optimal configuration method of distribution network synchronous measurementdevice based on parameter identification accuracy was studied. Based on the measurement data of the synchron...
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Number of views:4599 Amount of downloads:7602
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YANG Zhenshu,SUN Xiaozhe,YANG Jianzhong,MAO Qi
Abstract: The fault diagnosis technology of the flight electromechanical actuation system is of greatsignificance to improve the reliability of the aircraft actuation system and ensure the safe operation of the aircraft.Considering the problems and challenges encountered in the application of fault diagnosis technol...
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Number of views:6261 Amount of downloads:7599
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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:2218 Amount of downloads:7589
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MA Tao,XIAO Zhiyun,ZHANG Yonghong,DAI Zehui,WANG Zhiqiang
Abstract: In order to improve the reliability of LCL-filtered grid-connected three-phase inverter when using asliding mode controller,a novel sliding mode control strategy with less sensors in the abc natural frame was designed.Firstly,the sliding surface functions of phase a and phase b in the abc natural frame wer...
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Number of views:5359 Amount of downloads:7588
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DENG Dawei,LIU Peilin,ZHUWen,HE Chaolin,XIAWei
Abstract: In order to improve the substation dispatching and the adaptive control ability,an optimizationmethod for consistency test of substation dispatching center single line diagram modulus diagram based on theanalysis of equivalent inertia characteristics was proposed. The power control parameters of the substa...
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Number of views:5346 Amount of downloads:7587
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CHEN Zhixiu,LIU Yang,ZHANG Hanshu,XIAYe,WANG Hao,LIU Xin
Abstract: In the period of high and new technology development,the application of SiC and other newsemiconductors promotes the development of PCB design toward integration and high efficiency. The new ideas were provided for PCB design optimization from two aspects of high frequency and high density. Among them,ther...
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Number of views:5193 Amount of downloads:7585
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ZHAO Ruochen,MEI Baishan,ZHANG Jinwei,FU Wenbo
Abstract: Active power filter(APF)has become an important measure for harmonic control because it cantrack and compensate reactive power and suppress harmonics adaptively,dynamicly,and in real time. APF wastaken as the research object,and on the premise of verifying the differential flatness of the system,a differen...
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Number of views:4034 Amount of downloads:7554
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XIAO Jiakai,ZHENG Gaofeng,LIU Pengxi,LIN Deqiang
Abstract: At present, high-speed electric machines (HSEMs) have been widely used in many industrial fields. The development status and future research directions of high speed motors were summarized and discussed. Firstly, the latest research progress of different types of high-speed motors was introduced, and the ch...
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Number of views:6253 Amount of downloads:7546
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LIU Weizhi
Abstract: In high-power traction converter,SiC devices with many advantages such as fast switching speed,high temperature resistance and low switching loss are used to replace Si devices. The three-level active neutral-pointclamped(3L-ANPC)converter based on SiC devices can reduce the burden of heat dissipation syst...
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Number of views:5593 Amount of downloads:7543
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XIANG Zhiping,MAYuhe,GAO Jian
Abstract:In order to reduce the loss of electric energy in the process of energy conversion and improve theenergy efficiency of aluminum air battery,an energy efficiency model based on the internal resistancecharacteristics of aluminum air battery was established,and the variations of operating conditions(operatingt...
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Number of views:1987 Amount of downloads:7541
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ZHOU Liying,XIA Changhao
Abstract: Three-phase bridge converters(TPBC)are widely used in low-voltage power distribution networksto compensate the negative-sequence current and the reactive current. Because of the relatively high costs,improving the compensation effect of limited capacity equipment has high economic value and research signif...
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Number of views:5339 Amount of downloads:7526
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ZHOU Jun,XIAO Yuanbing,YAN Huamin,LU Jingjing,XU Tiefeng,ZUO Fanglin
Abstract:In order to improve the power coordination ability among microgrids in the microgrid group,it isnecessary to consider the correlation between renewable energy generation output and the difference in load timedistribution in different regions in the microgrid group planning. A scenario generation method that...
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Number of views:1875 Amount of downloads:7523
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HOU Yongquan,MA Lifang,MEI Shuang,WU Bo,WANG Tan,LU Tao
Abstract:In recent years,the use of microinverters has received a lot of attention as one of the viable methodsfor residential and commercial PV power conversion systems. Flyback inverters operating in current continuousconduction mode(CCM)have been widely studied for their low output ripple current,high efficiency,...
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Number of views:2103 Amount of downloads:7506
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WU Han,HUANG Xinghua,QIAO Zhendong,FAN Yuanliang,ZHU Junwei,CHEN Jinyu
Abstract:Accurately estimating the state of health(SOH)of lithium-ion batteries is a crucial prerequisite forensuring the safe and stable operation of energy storage systems. The key to improving the accuracy of SOHestimation lies in the rational selection of health characteristics that can effectively reflect the s...
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Number of views:1984 Amount of downloads:7495
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ZOU Yingdong,WANG Fengjun,ZHOU Yu
Abstract:This research focused on the separation and calculation of electromagnetic losses in semi-directdrived permanent magnet wind generators(SDDPMWG). Firstly,analytical method for calculating core loss ofmotor considering harmonic current was derived based on the Bertotti method. The eddy current loss of perman...
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Number of views:2165 Amount of downloads:7491