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WANG Xing，TAN Peixiao，CHENG Zhijiang，MAWanqing，TIAN Bo
Abstract: Retired power batteries have poor parameter consistency，when they are used for energy storageafter series and parallel connections，the barrel effect is obvious and the failure rate is high. So the improved modular multilevel H-bridge converter（MMHC）distributed energy storage based on modular multilevel con...
更多Number of views：3059 Amount of downloads：1641
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LU Yibing，LI Feng，ZHAO Wenbin，LU Wu，HUO Simin
Abstract: A power angle control method for DC system with doubly-fed induction generator based on air gapflux vector regulation was presented，which could reveal the relationship between the air gap EMF vector angle andthe stator output power，and could be used to directly control the stator output power. In the propos...
更多Number of views：3291 Amount of downloads：1635
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JIA Junqing，LÜ Chao，LIU Dinghua，XU Hao
Abstract: With the rapid development of artificial intelligence algorithms，convolutional neural networks withfewer layers have been used in distribution network overvoltage recognition. The deep-level network has a higherrecognition rate，but requires a large number of data samples. At present，the amount of data in t...
更多Number of views：3638 Amount of downloads：1627
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GONG Ruibang，JIANG Qi，WANG Yuchen，ZHANG Baoqing
Abstract: A novel voltage regulation and maximum power point tracking（MPPT）control for DC microgridcomposed of PV panel，battery，constant resistance and constant power loads was proposed. A dynamic model of the DC microgrid system described by a multi-input and multi-output nonlinear system with non-affine inputs was...
更多Number of views：3793 Amount of downloads：1626
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GAO Fengliang，HUANG Xiongfeng，FAN Hongxing，ZHANG Xuankun
Abstract: The failure rate of IGBT devices caused by excessively high temperature is as high as 55%.Improving the heat dissipation efficiency of the heat sink is the basis for ensuring the safe and reliable operation ofIGBT devices. Through theoretical analysis of IGBT module water cooling and heat dissipation，a tem...
更多Number of views：3717 Amount of downloads：1625
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CHEN Lu，WANG Can，HU Hao，ZHOUYANG Junran，YANG Wentao，MA Xin
Abstract: With the increasing utilization rate of electric vehicles（EVs）in China，high permeability EVs makethe three-phase imbalance rate of urban distribution network increase day by day，which causes problems such asvoltage fluctuation and network loss increase，and the distribution network with high three-phase imb...
更多Number of views：3576 Amount of downloads：1624
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FU Wenqi，HUANG Yongzhang，YANG Xin，GUAN Fei，GU Yujun
Abstract: The integration of large-scale renewable energy source causes the reduction of rotational inertia inpower systems. A motor-generator pair（MGP）can provide a real inertial response（IR）capability without delay forrenewable energy generations. The electrical-mechanical model of the MGP was established based on...
更多Number of views：3729 Amount of downloads：1623
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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...
更多Number of views：3589 Amount of downloads：1605
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LIU Mengmeng，LI Ruifang，MIAO Weili
Abstract: In order to optimize the controller structure of the permanent magnet synchronous motor（PMSM），a simplified speed control strategy for the PMSM based on genetic algorithm（GA）was proposed.The new controller mainly includes a direct voltage controller，which uses the motor model to achieve accurate speed track...
更多Number of views：3837 Amount of downloads：1599
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NIU Qian，ZHANG Dong，WANG Junlong
Abstract: Aiming at the problems of uneven power distribution and poor stability of grid AC/DC microgrid，anew adaptive coordinated control strategy was proposed to improve the stability and power distribution accuracy ofAC/DC microgrid（MGs）system.First，for converters connectingAC microgrids and DC microgrids，a contr...
更多Number of views：3863 Amount of downloads：1586
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HU Changsheng，LI Yang，SHAN Qiang，LIU Hui
Abstract: The fault-tolerant control of active power filter（APF）has component redundancy，which leads to the increase of fault-tolerant control error，the decrease of execution efficiency and fault-tolerant rate. Aiming at these problems，a fault-tolerant control method ofAPF based on component redundancy was proposed....
更多Number of views：3670 Amount of downloads：1581
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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：2606 Amount of downloads：1580
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LIU Dongchao，XIONG Muwen，GAO Sen，ZHAO Senlin，ZHU Herong，LI Haitao
Abstract: Different types of partial discharge (PD) in gas insulated switchgear (GIS) cause different damage toGIS insulation. Correctly identifying the type of partial discharge is very important to evaluate the insulation statusof GIS. In order to simplify the process of feature extraction and improve the recognit...
更多Number of views：3679 Amount of downloads：1579
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CHEN Huabin，LIU Wei，XIANG Dening，CHEN Ying
Abstract: To control the induction motor stably under the condition of uncertain disturbances，an inductionmotor speed control method based on robust sliding mode control and field oriented control was proposed based on switching gain adaptive technology. By introducing the switch adaptive gain and integrator interpo...
更多Number of views：3521 Amount of downloads：1575
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CUI Qian，ZHOU Jiemin，DING Zhengdao，QIN Jina，GAO Yiqing，JIANG Pengchuan
Abstract：In order to solve the problem of overvoltage and overcurrent in the process of load sudden changefor ion thruster screen grid power supply，the phase shift pulse frequency modulation（PS-PFM）was used tostabilize the output voltage of the LLC resonant converter. When the sampling voltage is lower than the lowe...
更多Number of views：661 Amount of downloads：1574
