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LI Yangyang，HU Jinlei，LAI Junju，WANG Wei，YANG Fan
Abstract: Aiming at the on-site live detection data of switchgear，a mean-shift clustering algorithm based onmulti-dimensional feature quantity was proposed to identify the abnormal partial discharge of switchgear. Theswitchgear partial discharge detection data which include dispersion，average distance percentage，con...
更多Number of views：3784 Amount of downloads：1876
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DING Yi1，LIU Shengzhong，WANG Xudong，HUO Xianxu，HU Zhigang，JIANG Fan
Abstract: The estimation method of state of health（SOH）of lead-acid battery based on chaotic particle swarmoptimization-Gaussian process regression（CPSO-GPR）was proposed. Firstly，the voltage and current curves of leadacid battery during charging process were investigated，and the characteristics of constant current c...
更多Number of views：3805 Amount of downloads：2235
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DONG Yongle，ZHANG Jiang，ZHANG Lifang，ZHANG Qi
Abstract: In view of the increasing factors of power demand in our country，and the low efficiency of traditionalstatic model and adjustment mode of distribution network based on artificial experience，which can not meet thepractical needs of high-level applications such as refined line loss of distribution network. I...
更多Number of views：3928 Amount of downloads：2146
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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：5256 Amount of downloads：3376
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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：4185 Amount of downloads：2562
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SUN Lihua，ZHANG Lin，SUN Huiqin，GUO Yingjun，LI Zheng，GUO Tianliang
Abstract: The switched reluctance motor control system for electric vehicles includes motor drive and batterycharging circuit，which reduces system integration and power density. Based on the asymmetric half-bridge powerconverter of switched reluctance motor，an integrated power converter for electric vehicle was desi...
更多Number of views：4183 Amount of downloads：2239
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HU Bo，YANG Chao，TIAN Xiaolei，LI Yunlu，YANG Junyou，CUI Jia
Abstract: When the internal parameters and topology of grid-connected power converter is unknown in somepractical applications，the existing frequency scanning based impedance modeling method can only maintain thedynamic equivalence at one operating point. To ensure the effectiveness of dynamic model in a wide operat...
更多Number of views：4335 Amount of downloads：2349
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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：4266 Amount of downloads：2388
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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：4065 Amount of downloads：2201
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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：4360 Amount of downloads：2123
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LIU Chunhui，ZHANG Zheng，FAN Hongzhen，MOU Huilong，HUANG Cunkuan，YUAN Fang
Abstract: Multi-energy complementary generation operation had become a new direction to improve theefficiency of new energy utilization，and it is particularly important to analyze the characteristics of multi-energycomplementary generation. According to the operation characteristics of multi-energy complementary gen...
更多Number of views：4053 Amount of downloads：1984
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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：4159 Amount of downloads：2248
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ZHAO Kuanxiang，YOU Jiawei，LIU Hongxun，LING Yuesheng，TIAN Rui
Abstract: The electrolytic capacitor is used as the energy storage element in the traditional LED power supply.The life of electrolytic capacitor is short which limits the life of LED power supply. In order to improve the servicelife of the power supply，a single-stage low switch stress structure was proposed on the ...
更多Number of views：3958 Amount of downloads：1898
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DENG Dawei，LIU Peilin，ZHUWen，HE Chaolin，XIAWei
Abstract: In order to improve the substation dispatching and the adaptive control ability，an optimizationmethod for consistency test of substation dispatching center single line diagram modulus diagram based on theanalysis of equivalent inertia characteristics was proposed. The power control parameters of the substa...
更多Number of views：3949 Amount of downloads：2153
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LÜ Chao，JIA Junqing，ZHOU Jia，WU Tianyu
Abstract: The rapid development of artificial intelligence algorithm and edge computing technology has laid afoundation for the development of a new type of over-voltage identification device of distribution network withhigher identification rate and stronger intelligence. A design method of hardware and software sy...
更多Number of views：3982 Amount of downloads：2212
