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CHEN Qun，ZHOU Jiemin，HONG Feng，ZHENG Gang，XI Zhiyang
Abstract: The solid-state power controller，which integrates the functions of traditional power distributiondevices such as circuit breakers and relays，is the core component of the all-electric aerospace vehicle powerdistribution system.Among them，the inverse time overcurrent protection technology is one of the key t...
更多Number of views：4151 Amount of downloads：9652
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ZHANG Lantao，XIONG Jun，NIU Xiaonan，HUANG Xiaoyu
Abstract: Aiming at the reliability problem of high-power IGBT modules under short circuit extreme operatingconditions，the power terminals imbalanced current of IGBT modules and the resulting dynamic junctiontemperature change were comprehensively analyzed. Firstly，the current sharing characteristics of parallel ter...
更多Number of views：5687 Amount of downloads：9647
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ZHANG Cheng，HAN Cun，REN Wei，ZHAO Jinlei，ZHANG Xiao，ZHANG Xudong
Abstract: Based on the AC-DC-AC variable frequency speed control system of synchronous motor，theparameters of PI regulator were optimized by chaos particle swarm optimization algorithm. A pseudo-randomsequence generation method was constructed using a chaotic map dynamic integer tent map，and an objective function of...
更多Number of views：4697 Amount of downloads：9642
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ZHOU Jiabin，CHEN Yufe，GU Zhaoliang，YONG Jun，ZHAO Wenbin，JIANG Pengliang
Abstract: The influence of magnetic bias current on the excitation characteristics of near-field transformers inthe DC grounding electrode from bipolar to unipolar earth mode was discussed. Based on the principle of field-circuit coupling，the DC magnetic bias co-simulation model of transformer was established and an...
更多Number of views：5769 Amount of downloads：9641
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GU Laiqiang
Abstract：The traditional three-phase pulse width modulation（PWM）rectifier requires six power switches.Due to the shoot-through problem between two switches on the same bridge arm，the control difficulty is increasedand overall system design becomes more complicated. A half-controlled three-phase PWM rectifier topolog...
更多Number of views：2362 Amount of downloads：9634
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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：6662 Amount of downloads：9629
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HAN Song，YU Zhiqiang，WANG Mingyue，YU Hongze，JIA Pengfei
Abstract: Under the background of carbon emission reduction，fully controlled power device IGBT is widelyused in various of converters with its excellent performance，effective and reliable drive circuit is crucial to the safeoperation of IGBT，especially for high-power applications. Aiming at the requirement of flexib...
更多Number of views：2157 Amount of downloads：9618
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YANG Zhaowen，YANG Guochao，LIU Jianjun，WANG Hongwei，BAI Xinyu
Abstract: A second order filtering power dividing frequency control strategy based on virtual impedance wasproposed. The different frequency power compensation among different storage units by building invisible passfilters was achieved. The invisible pass filters including high pass filter and low pass filters were...
更多Number of views：5585 Amount of downloads：9614
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HU Dong，HU Jingtao，ZHANG Wentao，LÜ Feichun，WU Xu
Abstract: Photovoltaic（PV）power generation is an important power generation method to achieve the goal ofcarbon neutrality. During the grid connection of PV power generation system，due to the characteristics of inverterand the influence of nonlinear load，high-order harmonics are generated，the power quality of the po...
更多Number of views：2669 Amount of downloads：9591
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SONG Pengfei，WANG Maxiang，YANG Guixing，LI Jichen，KANG Pengpeng，WEN Shenghan
Abstract：To enhance the economic and operational flexibility of accompanying energy storage facilities innew energy power stations，as well as to improve the stability of supplying electricity directly to large users and thegrid-friendliness of large-scale new energy power stations，a two-stage robust configuration an...
更多Number of views：2254 Amount of downloads：9555
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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：2400 Amount of downloads：9545
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ZHANG Chao，QIU Han，LI Zhe，LIU Bochang，Zhang Baoshun，LI Chengyuan
Abstract: A control strategy of off-grid start-up of energy storage system（ESS）was proposed，which canmake all power converter systems（PCSs）entered off-grid mode smoothly and quickly in MW level battery energystorage power station，and make off-grid voltage set up. The unified off-grid phase angle and enable signal we...
更多Number of views：5589 Amount of downloads：9539
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HU Xiangyu，HONG Feng，SHAO Dongwei
Abstract：Switching power supply is now developing towards high-frequency soft-switching and high powerdensity，the volume of magnetic components is greatly reduced，and the excitation inductance of transformer nolonger meets the assumption of large excitation inductance in traditional analysis. Under this background，t...
更多Number of views：1863 Amount of downloads：9529
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TANG Lan，HUANG Liwen，WANG Chenglei
Abstract：A K-means clustering algorithm was proposed and a conditional Wasserstein generative adversarialnetwork with gradient penalty（CWGAN-GP）to address the problem of imbalanced photovoltaic generation datacaused by the low occurrence probability of extreme weather. A prediction approach combining bidirectional l...
更多Number of views：1820 Amount of downloads：9524
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TIAN Kai，YUAN Yuan，YU Zhibin，JIANG Yida，LI Nan，SONG Peng
Abstract: Three-level neutral-point balance method based on PWM pulse width dynamic regulation wasproposed to realize optimized PWM high-performance closed-loop control and three-level neutral-point balancecontrol of the inverter at low switching frequency. The fundamental current component was extracted from thecur...
更多Number of views：4206 Amount of downloads：9509
