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DAI Yemin，LI Yukun，LIN Shunfu，BIAN Xiaoyan，LI Dongdong
Abstract: With the wide application of new energy grid connection technology，a large number of powerelectronic devices are connected to the power grid，and the power quality is affected by harmonic interaction. Aiming at the harmonic interaction problem of multi-inverter grid-connected system，the multi-input and mult...
更多Number of views：4911 Amount of downloads：11342
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NIU Shengsuo，WU Zhenan，HUANG Shengpo
Abstract: The test of the internal cable conductivity of the traditional bullet train is time-consuming andlaborious，which increases the probability of false detection，seriously affects the accuracy and reliability of cabledetection results of bullet trains，and greatly reduces the safety and stability of bullet trai...
更多Number of views：4906 Amount of downloads：8524
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HUANG Haihong，HUANG Yuwei，LIU Xin
Abstract: Aiming at the requirements of portable DC insulation detection devices，a dynamic differencealgorithm based on single-arm was proposed，and a portable DC insulation detection and verification integratedmachine was designed based on this algorithm. The principle of the single-arm insulation monitoring system ...
更多Number of views：4878 Amount of downloads：10950
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LIN Bin，SHAO Haoshu，WANG Xiaohe，LI Hongke，CAI Xu
Abstract: With the increasing scale of wind farms，large scale wind farm is gradually shifting from onshorewind farm to offshore wind farm，squirrel cage induction generator（SCIG），which is the main type of offshore wind farm，has become the main research object of offshore wind farm dynamic characteristics. In order to...
更多Number of views：4846 Amount of downloads：8518
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WU Ming，LÜ Zhipeng，WANG Xin，YANG Wanli，ZHOU Shan，LIU Xiaojuan
Abstract: Multi-energy complementary DC micro-grid is of great significance to achieve sustainable energydevelopment. Based on the typical DC micro-grid with various energy forms including wind，solar，gas and battery，a multi-energy DC micro-grid operation control strategy considering the complementary inertia of gas ...
更多Number of views：4823 Amount of downloads：9853
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LI Yanlei，ZHANG Xiaoyang，LI Xiaoling，LIU Wei，WANG Gang，ZHOU Gaowei
Abstract: Because traditional methods have problems such as poor control stability and low control efficiencyin the process of using unmanned aerial vehicle（UAV）to check obstacles in transmission channels，a transmissionchannel unmanned aerial vehicle motor auto-disturbance rejection control technology based on extre...
更多Number of views：4794 Amount of downloads：9180
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SHAYuheng，MEI Xin，LAN Jiao，HAN Fangxu，ZHAO Xuechen
Abstract: In view of the problems that the lack of unified data source，unified information standard，unifiedsupport platform for common services caused by multi system parallel in each stage of power grid enterprise projectmanagement，and resource and information "isolated island" caused by "chimney" system architectu...
更多Number of views：4791 Amount of downloads：11283
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YANG Fan，HUANG He，LI Haiying，LI Dongdong，ZHAO Yao
Abstract: There are a lot of equipment operation rules in power equipment defect text，which can be mined bynatural language processing technology to provide guidance for equipment maintenance. Aiming at this situation，a defect text mining method based on enhanced representation through knowledge integration（ERNIE）pr...
更多Number of views：4748 Amount of downloads：9728
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WANG Shijun，HAO Quan，LI Wenlong
Abstract: In view of the problems of unstable operation waveforms，high output current stress andinstantaneous fluctuation difference of load in the current sharing control of two-way DC-DC converter in flexiblesubstation，a method of independent current sharing control of two-way DC-DC converter in flexible substatio...
更多Number of views：4747 Amount of downloads：9398
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LUO Lan，WANG Yuhong，SONG Ruihua，BI Jingtian，CHEN Shiyu，WAN Liangbin
Abstract: In the multi terminal flexible direct current（DC）transmission system，the flexible direct inner andouter loop control can not provide inertial support for the receiving end passive network. Traditional virtualsynchronous generator（TVSG）control can provide inertia support for passive network，but it can only ...
更多Number of views：4742 Amount of downloads：9368
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YANG Shude1，ZENG Zikang，ZHANG Xinwen，GAO Xiongying，CAI Changhong，ZHOU Xin
Abstract: For the technical requirements of on-load voltage regulation based on power electronic switches，athyristor-based on-load voltage regulation unit topology was given based on the analysis of the possible conduction state of each switch in the steady state and the switching law of different states. Considerin...
更多Number of views：4733 Amount of downloads：7892
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ZHANG Ao，DAI Linwang，MA Zhengyang，LI Shaolin，ZHANG Xueguang
Abstract: Doubly-fed wind turbine is easy to produce sub-synchronous oscillation in series compensation grid.Using virtual synchronous control structure to improve inertia and damping for grid may also lead to subsynchronous oscillation risk. In view of the causes of sub-synchronous oscillation，firstly，the double-fe...
更多Number of views：4698 Amount of downloads：12550
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CAI Chunchen，MAO Xuefei，ZHAO Lei，CHEN Zhen，LI Zhen
Abstract: Aiming at the problems that the working efficiency of ultrasonic motor is too low，which limits theworking endurance of the system and affects the resonant and dynamic characteristics of the motor，a speed andefficiency optimization bivariate control method under dynamic conditions was designed. First，the tw...
更多Number of views：4695 Amount of downloads：10089
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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：4693 Amount of downloads：9629
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LÜ Wei，WANG Han，ZHANG Jianwen，CHEN Gen，CAI Xu
Abstract: Compared with onshore wind power，the natural conditions at sea are bad and the traffic isinconvenient to maintain the wind power system，so wind power system needs to be highly reliable. The systemreliability can be effectively improved by using fault-tolerant control. A fault-tolerant control strategy by i...
更多Number of views：4691 Amount of downloads：11024
