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MA Xiaoliang
Abstract: Several problems and their solutions of high-performance inverter-fed motor drive systems wereintroduced: the features and some matters needing attention of two- closed-loop systems; how to improve speedfollowing performance during starting and breaking and to improve anti-disturb ability by means of predicti...
更多Number of views：7864 Amount of downloads：4346
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HE Wendan, LI Xiaohua, ZHAO Rongjian, FENG Anhui
Abstract: The main vibration of interior permanent magnet synchronous motor（IPMSM）with integer slot multipole pair for electric vehicles is the vibration at 0-order and 2p-order natural frequencies, which are generally believed to be caused by the spatial electromagnetic force waves of 0-order and 2p-order. In order...
更多Number of views：5741 Amount of downloads：3734
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YANG Chengshun，LIU Guofu，DAI Yuchen，ZHANG Dongdong，HUANG Xiaoning
Abstract: An adaptive cooperative control strategy based on improved virtual synchronous machine（VSM）technology was used to improve the traction power supply system of urban rail transit. Firstly，the improved VSMwas used as an one-time control to make the urban rail trains have the external characteristics of synchr...
更多Number of views：5502 Amount of downloads：3635
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GU Zhongfan，CHENYuwei，LI Cheng′ao，ZHANG Dechun，HUANG Hai
Abstract: The 3.5 V/20 A•h lithium iron phosphate battery was taken as the research object.Aiming at the onlineestimation of its state of charge（SOC），the second-order Thevenin equivalent RC circuit model was established，and a joint SOC estimation algorithm was proposed by combining BP neural network，dynamic forgetti...
更多Number of views：5387 Amount of downloads：3338
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CHAI Bin，SHI Lei，LIU Zhiyuan，XU Hui
Abstract: The circuit breaker of AC filter in converter station is an important part of HVDC system. Theoccurrence of internal faults will directly affect the stable operation of HVDC system. In view of the fault diagnosisof the circuit breaker for filter，an efficient online monitoring method was proposed to diagnos...
更多Number of views：5290 Amount of downloads：3778
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MA Xiaoliang
Abstract: Several problems and their solutions for industrial speed regulation applications of four kinds ofcommonly used AC- DC-AC voltage source converter were introduced. Aiming at the problems of high dU/dt, shaftcurrent and power device thermal fatigue related quantitative data were given. Three kinds of rectifi...
更多Number of views：5278 Amount of downloads：2723
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YANG Ming, ZHANG Ruhao, ZHANG Jun,ZHU Haotian,SUN Yongping, CHEN Yangyang, XU Dianguo
Abstract: SCARA robot is especially suitable for assembly work because of its high speed, high precision and mechanism characteristics, so it is widely used in 3C, food and drug, automobile industry and other production processes, such as assembling circuit boards and components. First, the trajectory planning, incl...
更多Number of views：4986 Amount of downloads：2663
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SUN Yuechao,LI Man,LIAO Cong,CHEN Jingyuan
Number of views：4933 Amount of downloads：2666
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HU Bo，LI Tong，WANG Yihe，CUI Jia，YANG Junyou，XU Junjin
Abstract: Combined with the feature extraction ability of self-coding and the time series analysis ability oflong short-term memory（LSTM），a short-term load forecasting model based on LSTM self-coding was proposed.First of all，based on the basic principle and flow of the depth model，the functional characteristics of t...
更多Number of views：4927 Amount of downloads：2606
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ZHANG Fangyuan，JING Yun，WANG Dan
Abstract: A vector control method based on the modified super-twisting observer and non-singular terminalsliding mode was proposed for stand-alone doubly-fed wind power generation systems under unbalanced loads. The fundamental frequency and double frequency components of the rotor current were observed by the modif...
更多Number of views：4921 Amount of downloads：3613
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MA Baohui
Number of views：4856 Amount of downloads：2607
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ZHANG Tian，SONG Mingxuan，FENG Yuan，HE Fengyou
Abstract: Aiming at the series short-circuit phenomenon caused by device breakdown and control failure，based on the half-bridge structure，the different series short-circuit dynamic sharing voltage characteristics of SiCMOSFET and Si IGBT were analyzed. At the same time，the principle of series short-circuit voltage s...
更多Number of views：4809 Amount of downloads：3585
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CHEN Ya’ai，LIN Yankang，ZHOU Jinghua
Abstract: The power conversion system in microgrid adopts flexible control strategy to supply the demand loadafter transforming various energy sources. The power conversion system enables the microgrid to be connected tothe grid as a controllable whole unit or to operate independently. Its control strategy is particu...
更多Number of views：4703 Amount of downloads：2640
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CHEN Ya′ai，LI Zixuan，ZHOU Jinghua，WU Jiewei
Abstract: As a three-level Boost AC/DC converter with unidirectional energy flow，the VIENNA rectifier iswidely used in electric vehicle charging systems and other occasions. The key to improve the power quality and thesystem reliability is the quality of control strategy. Therefore，the control strategy of the VIENNA ...
更多Number of views：4695 Amount of downloads：2258
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MA Xiaoliang
Abstract: Pump-turbine units are kind of hydropower facilities with both pump and power generation abilities，they are used mainly in pumped-storage plants and also in water-managing projects. Conventional units operate withfixed-speed. To make power control quick and flexible and to extend operation ranges of turbine...
更多Number of views：4675 Amount of downloads：2436
