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JIN Yongchun，CHEN Li，ZOU Yusheng，DUAN Chengwu，YAO Jian
Abstract: Due to the advantages of high efficiency，wide speed range，high torque density and great controlperformance，permanent magnet synchronous motors（PMSM）have been widely used in driving systems of electric vehicles（EVs）. However，as the increase of power density，the problem of temperature rise caused by loss hea...
更多Number of views：3166 Amount of downloads：3479
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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...
更多Number of views：5254 Amount of downloads：3375
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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：5176 Amount of downloads：3374
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YANG Yong，ZHANG Xujun，LIU Wenfei，NIU Haoming，ZHAO Jinguo，YANG Rui
Abstract：The integration of new energy units on a large scale has introduced numerous adverse effects on thestability of system operation. Analysis of mechanisms and identification of impedance characteristics in gridconnected inverter（GCI）for new energy units are key to effectively addressing these issues. Therefor...
更多Number of views：520 Amount of downloads：3283
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LI Zewen，FAN Yuanliang，CHEN Weiming，WANG Shaopeng，LIN Jianli，LI Lingfei
Abstract：In the distribution network of the new power system，due to the access of a large number of newenergy power generation devices，the power supply side output of the distribution network becomes unstable andloses control ability. In order to deal with a series of problems such as the difficulty of photovoltaic ...
更多Number of views：576 Amount of downloads：3243
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YIN Jianqiang，WU Xianming，WU Fengzhi，YANG Peihao
Abstract: The sensorless control of PMSM based on control algorithm is a research hotspot in the field ofmotor control. A PMSM sensorless control system based on low-speed pulse and high-frequency stator flux injectionwas proposed，and the traditional stator flux estimator was improved and the high-frequency signal wa...
更多Number of views：4644 Amount of downloads：3234
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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：5239 Amount of downloads：3228
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CHEN Zhong，WU Yongkang，JIANG Yang，WU Fuchao
Abstract：An optimization control strategy based BPA for doubly fed wind turbines under asymmetric faultridethrough was proposed to address the issue of low accuracy of control strategies under asymmetric faults，inorder to obtain more accurate fault control model parameters for doubly fed wind turbines under asymmetr...
更多Number of views：610 Amount of downloads：3200
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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...
更多Number of views：5200 Amount of downloads：3167
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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：5797 Amount of downloads：3136
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SUN Yuechao,LI Man,LIAO Cong,CHEN Jingyuan
Number of views：5606 Amount of downloads：3127
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CHEN Shaoxiong，ZHANG Penghe，SONG Runan，XUE Yang，CHEN Ganchao
Abstract：Power safety is a critical issue related to the reliable supply of energy and the safety of people's livesand property. In recent years，electrical fire incidents have been frequent in China，and low-voltage AC fault arcdiagnosis，especially for series fault arcs，is difficult to apply to the complex domest...
更多Number of views：658 Amount of downloads：3088
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CHEN Qi，HONG Feng，SHAO Dongwei，HU Xiangyu
Abstract: Pulsed xenon lamp is often used for performance testing of solar cells because its spectrum is mostsimilar to sunlight. The pulsed xenon lamp power supply is the key factor to ensure the reliable operation of thepulsed xenon lamp and improve the photoelectric conversion efficiency. In order to solve the pr...
更多Number of views：1330 Amount of downloads：3084
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LIU Tao，CAI Xu，SUN Guoqi，WEI Xiaobin，CAO Yunfeng，ZHANG Lingyan
Abstract: As traditional condenser is replaced by static var generator（SVG），the dynamic reactive powercompensation can be provided by SVG. However，compared with traditional condenser，SVG lacks rotational inertia.Traditional research of SVG mainly focused on reactive power compensation and fault ride-through，and ther...
更多Number of views：4013 Amount of downloads：3080
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CAO Wei，DONG Haoyang，LI Yun，WEI Huangli，GAO Shengkai
Abstract: The proportion of distributed photovoltaic connected to the grid is gradually increasing，which bringsa series of problems，it can draw lessons from foreign experience to provide practical reference for solving relevantproblems. As one of the leading countries of energy transformation in Europe，Germany's ex...
更多Number of views：4997 Amount of downloads：3078
