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ZOU Jia，ZHANG Jianqiao，JI Chengchun
Abstract: Aiming at the problem that the accuracy of the speed estimation of the traditional model referenceadaptive system（MRAS）method without speed sensor decreases after the speed load mutation in the low speedrange，a speed identification method based on the combination of back propagation（BP）double-layer artific...
更多Number of views：999 Amount of downloads：869
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WANG Huahan，ZHAO Shiwei
Abstract：A dual active bridge（DAB）DC-DC converter voltage control strategy based on double-integralsliding mode control was proposed，which can obtain good control effect under the condition that the modelaccuracy requirements are low and the controller design process is simple. Firstly，the reduced-order model of the...
更多Number of views：995 Amount of downloads：1036
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ZHANG Xiangqian，CHE Chaochang，LI Fengsheng，YU Shipeng，LEI Hui
Abstract: As an important part of power electronic power conversion device，auxiliary power supply is facedwith the application demand of high voltage and wide range in DC transmission，solar power station，wind powerstation and other systems. Aiming at the problems of switch stress，cost and efficiency caused by high v...
更多Number of views：993 Amount of downloads：948
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LIU Hao，WEI Lixin，YOU Lichun
Abstract: Due to the particularity of its application，offshore drilling rig has higher requirements for thestability and control accuracy of the control signal. Aiming at the situation that the signal in the electronic controlsystem of offshore drilling rig is greatly disturbed by noise，a PID control signal optimiza...
更多Number of views：990 Amount of downloads：696
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YUE Xuelei，WANG Lei，TIAN Di，XU Kelei
Abstract: Permanent magnet synchronous motor（PMSM）has become the development direction of the newgeneration of rail transit traction system due to its characteristics of high efficiency and high power density. Amongthem，the research on the identification method of the initial position and frequency of the motor roto...
更多Number of views：989 Amount of downloads：644
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JIA Junqing，ZHANG Yifan，PAN Dazhi，LIANG Shuai，YANG Yang
Abstract: Under the background of the increasingly prominent voltage sag problem in modern power grids，itis of great engineering significance to accurately identify the users' profile of demand of voltage sag control forguiding users' precise investment decisions for voltage sag control and helping power gri...
更多Number of views：984 Amount of downloads：848
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HUANG Feng，CUI Zhimei，HUANG Zhidu，JIANG Shengchao，FENG Bo
Abstract: In order to evaluate the safety status of transmission lines scientifically and objectively，a safetyanalysis model of transmission lines based on support vector machine-back propagation（SVM-BP）hybrid networkwas proposed. Firstly，the weather data，transmission line standard documents and defect data were pro...
更多Number of views：982 Amount of downloads：833
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QIAN Junjie，LI Haoquan，LI Guanghua，XU Dongli，LÜ Ganyun
Abstract：Aiming at the problem of power quality deterioration caused by a large number of high-permeabilitydistributed generation connected to the distribution network，a power quality assessment method based oncombination weights and vlsekriterijumska optimizacija i kompromisno resenje（VIKOR）method was proposed.Firs...
更多Number of views：980 Amount of downloads：628
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GUO Jiajun，XU Zhi，ZHAI Baoyu，CHEN Yutian，CHEN Junru
Abstract：Aiming at the low voltage ride through（LVRT）problem of the combined grid-connected systemwith new energy-energy storage under the control of the grid-forming converter，an additional voltage limitercontrol scheme based on the traditional LVRT was proposed. Firstly，the shortcomings of the traditional LVRTstra...
更多Number of views：978 Amount of downloads：1092
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ZHOU Zhifeng，ZHU Wen，XIAWei，FANG Wenchong，HE Chaolin
Abstract: Under the background of energy internet，due to the access of massive sensor nodes，the amount and types of data in energy internet have increased dramatically，and centralized data processing has a great impact on the updating of substation drawing model. Therefore，a control measure of automatic updating of ...
更多Number of views：977 Amount of downloads：950
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LIU Zhijian，ZI Chao，LI Pengcheng，GUO Cheng，LIU Jie，HUANG Wei
Abstract: Aiming at ultra-low frequency oscillation in power system caused by hydraulic turbine governingsystem，an additional damping control strategy for governing side was developed. Firstly，according to the damping torque method，the negative damping generated by the hydraulic turbine governing system was regarded...
更多Number of views：972 Amount of downloads：743
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LIU Hui，SU Jianhui，ZHANG Jian，LIU Shuo，SHI Yong，ZHANG Jie
Abstract：Wireless power transfer（WPT）load voltage，current and other state information need to be sent tothe original side for closed-loop control and monitoring processing，the secondary side to the original side of thecommunication is very important. Firstly，the topology and working principle of capacitive modulated...
更多Number of views：970 Amount of downloads：561
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LIANG Haisheng
Abstract：In order to further improve the accuracy of fault identification of local abnormal factors indistribution network，a digital twin based fault identification simulation of local abnormal factors in distributionnetwork was proposed. Through real-time acquisition of electrical parameters of distribution network...
更多Number of views：965 Amount of downloads：641
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LI Zhijuan，WU Dan，LEI Ting，WANG Ning，DUAN Yan，MA Hongen
Abstract: Aiming at the problems of frequent failures and untimely maintenance of DC charging pile，a faultearly warning method of DC charging pile based on soft classification model was proposed. Based on the currentsequence and voltage sequence of the charging pile in the charging process，the differential sequence o...
更多Number of views：963 Amount of downloads：838
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CHEN Kun，SUN Kaiyuan，LIN Lin，WANG Meng，ZHENG Jiehui，LI Zhigang
Abstract: With the massive access of renewable energy sources and pluralistic load，it is bi-directionalbeneficial to update the distribution network topology. It can not only promote the consumption of renewableenergy and the satisfaction of new load demands，but also improve the rationality of urban distribution net...
更多Number of views：962 Amount of downloads：782
