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COMMUTATION: 作品数：36被引量：89H指数：4; 导出分析报告; 相关领域：电气工程更多>>; 相关作者：龚春英秦海鸿赵志英严仰光董云龙更多>>; 相关机构：南京航空航天大学南京南瑞继保电气有限公司更多>>; 相关期刊：《Acta Mathematicae Applicatae Sinica》《Chinese Journal of Electronics》《Journal of Power and Energy Engineering》《CES Transactions on Electrical Machines and Systems》更多>>; 相关基金：国家自然科学基金国家高技术研究发展计划国家重点基础研究发展计划中国航空科学基金更多>>

Multiplexed and Paralleled PFC Rectifier and Its Control: 《CSEE Journal of Power and Energy Systems》2025年第2期760-771,共12页Lunquan Li Qianhong Chen Zhiwang Zhan Bin Liu; supported in part by the National Natural Science Foundation of China(No.61963030);the Education Administration project(No.17YJA630085);the Education Reform Project(No.202137)。; Power factor correction (PFC) is widely used in many industry fields. In this paper, a novel multiplexed and paralleled PFC rectifier (MPPR) is proposed. Compared with the paralleled traditional six-switch buck-type P...; 关键词：Buck-type rectifier commutation state CONTROLLER efficiency multiplexed

Online Field Current Estimation for Brushless Synchronous Starter/Generator Considering the Rectifier Commutation Mode: 《CES Transactions on Electrical Machines and Systems》2024年第4期455-462,共8页Ji Pang Feihang Zhou Jianwei Yang Weiyi Zhang Youming Wang Weiguo Liu Ningfei Jiao; supported in part by the Natural Science Foundation of Shaanxi Province under Grant 2023JCQN0534;in part by the Natural Science Foundation of Shaanxi Provincial Department of Education under Grant 23JK0660;in part by the Xi’an Municipal Bureau of Science and Technology under Grant 24GXF0085。; The information of the field current is essential for the brushless synchronous starter/generator system,which determines the performance and health status of this system.However,since the field winding of the main ma...; 关键词：Brushless synchronous starter/generator Field current Rectifier commutation mode

High-efficiency Multiplexed Buck-type PFC Converter: 《CSEE Journal of Power and Energy Systems》2024年第3期1053-1063,共11页Lunquan Li Qianhong Chen Jichao Huang Bin Liu; supported by National Natural Science Foundation of China(61963030).; This paper proposes a high-efficiency PFC rectifier based on multiplexing the switches.Compared with a traditional six-switch PFC rectifier,the proposed rectifier extends the switches’active angle by making use of th...; 关键词：Buck-type rectifier commutation state controller design efficiency multiplex

Commutation of Geometry-Grids and Fast Discrete PDE Eigen-Solver GPA: 《Chinese Annals of Mathematics,Series B》2023年第5期735-752,共18页Jiachang SUN Jianwen CAO Ya ZHANG Haitao ZHAO; supported by the Basic Research Plan on High Performance Computing of Institute of Software(No.ISCAS-PYFX-202302);the National Key R&D Program of China(No.2020YFB1709502);the Advanced Space Propulsion Laboratory of BICE and Beijing Engineering Research Center of Efficient and Green Aerospace Propulsion Technology(No.Lab ASP-2019-03)。; A geometric intrinsic pre-processing algorithm(GPA for short)for solving largescale discrete mathematical-physical PDE in 2-D and 3-D case has been presented by Sun(in 2022–2023).Different from traditional preconditi...; 关键词：Mathematical-physical discrete eigenvalue problems Commutative operator Geometric pre-processing algorithm Eigen-polynomial factorization

An internal power angle control strategy for high-speed sensorless brushless DC motors被引量：1: 《Chinese Journal of Aeronautics》2022年第11期309-321,共13页Bo TAN Xingyuan GUO Jun ZHAO Xiaofeng DING Wei FANG; supported by the National Natural Science Foundation of China(No.51877006);the Key R&D Program of Shaanxi Province,China(No.2021GY-340 and 2020GY-140);the Aeronautical Science Foundation of China(No.20181953020)。; High-speed Brushless DC Motors(BLDCMs)usually adopt a sensorless control strategy and operate in three-phase six-state drive mode.However,the sampling errors of the rotor position and the driving method increase the I...; 关键词：Back-EMF detection Brushless DC motors Commutation control Electric drive Internal power angle

A Commutation Failure Prediction and Mitigation Method被引量：2: 《Journal of Modern Power Systems and Clean Energy》2022年第3期779-787,共9页Renlong Zhu Xiaoping Zhou Haitao Xia Lerong Hong Hanhang Yin; supported by the National Natural Science Foundation of China(No.51907058);Project of Hunan Power Co.,Ltd.of the State Grid Corporation of China(No.SGTYHT/18-JS-206);Natural Science Foundation of Hunan Province(No.2020JJ5081)。; The mitigation of commutation failure(CF)depends on the accuracy of CF prediction.In terms of the large error of the existing extinction angle(EA)calculation during the fault transient period,a method for CF predictio...; 关键词：Commutation failure prediction commutation failure mitigation line commutated converter based high-voltage direct current(LCC-HVDC) extinction angle(EA) overlap angle(OA) firing angle(FA)

A neural network-based commutation optimization strategy and drive system design for brushless DC motor被引量：1: 《High Technology Letters》2021年第4期448-453,共6页Liu Yuxiang Yao Zhaolin Yuan Fang Liu Ming Li Xiang Zhang Xu; the National Key Research and Development Program(No.2017YFB0406204,2016YFC0105604);Beijing Science and Technology Projects(No.Z181100003818002);Science and Technology Service Network Initiative(No.FJ-STS-QYZX-099,KFJ-STS-ZDTP-069).; An optimized commutation method based on backpropagation(BP)neural network is proposed to resolve the low stability and high-power consumption caused by inaccurate commutation point prediction in conventional commutat...; 关键词：brushless DC motor senseless control back electromotive force neural network hardware implantation field programmable gate array(FPGA)

Quantitative Assessment for Commutation Security Based on Extinction Angle Trajectory被引量：3: 《Journal of Modern Power Systems and Clean Energy》2021年第2期328-337,共10页Qi Tao Yusheng Xue; In order to reduce the risk of commutation failure(CF)in the AC/DC hybrid power system,the quantitative analysis on CF is required for on-line assessment and optimal control.This paper presents an accurate and reliabl...; 关键词：AC/DC hybrid power system commutation failure(CF) commutation security margin high-voltage direct current(HVDC) security limit

Commutation overshoots based on a novel model for series thyristors during the turn-off process: 《High Voltage》2020年第5期501-510,共10页Yingjie Tang Zheng Xu Huangqing Xiao Bo Yue Xuan Li; The commutation overshoot is an important reference index for the insulation coordination of the converter station as well as the thyristor voltage capacity.Although the dispersity of reverse recovery charges of serie...; 关键词：SERIES PROCESS DISTRIBUTION

A commutation analytical model for quench protection of the CFETR central solenoid model coil: 《Plasma Science and Technology》2020年第6期200-205,共6页Tianbai DENG Ge GAO Yanan WU Jun LI Peng FU Sheng LIU Min WANG; A central solenoid model coil will be set up to develop and verify the technique for the full-size central solenoid coil of the China Fusion Engineering Test Reactor.In case of quench and failures of superconducting c...; 关键词：quench protection fuse model arc model superconducting magnet central solenoid model coil

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