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LÜ Jin,XU Li,SUI Dawei,GAO Qixin,XU Deshu
Abstract: With the rapid development of China's industrial economy,the demand for strip materials isincreasing,and the construction of strip production lines both domestically and internationally is growing year byyear. However,the complexity of large-scale rolling mill systems and the harsh working environment ...
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Number of views:2302 Amount of downloads:8082
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WANG Yuqi,WANG Yufeng,GUO Yubao
Abstract: The equipotential switching algorithm of the traditional mechanical static compensator(MSC)device had many limitations in the operation of the single machine,such as the long operation time of themicrocontroller control chip,the poor convergence of the calculation results had been affected by the hardware,...
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Number of views:3084 Amount of downloads:8075
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WANG Chaoliang,XIAO Tao,CHEN Songsong,ZHANG Hongzhi,CHEN Ke
Abstract:With the proposal of the "dual carbon" goal,the application of EVs is becoming increasinglywidespread. In order to further reduce the charging cost of EVs so as to easing the charging cost burden of EVusers,a coordinated control strategy for EV charging DC microgrid was proposed,which includes photovoltaic(...
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Number of views:2977 Amount of downloads:8066
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JIA Pengfei,HE Yongpeng,YANG Jianxin,ZHANG Qing,WU Wenda
Abstract:Industrial communication technology is an effective way to achieve network control of industrialequipment. With the development of Ethernet technology in recent years,a top layer application technology basedon Ethernet,PROFINET has rapidly developed. However,due to the lack of high-speed network interfaces ...
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Number of views:2772 Amount of downloads:8047
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WANG Shixin,YU Bo,YUAN Yong,SI Guolei,DAI Jin,CAO Taiqiang
Abstract: Electric valve regulation requires fast response speed,high precision control,no overshoot andstrong anti-interference performance. An active disturbance rejection algorithm based on feedforward compensation was used to control the brushless DC motor(BLDC),and the position error was taken as the input of t...
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Number of views:3309 Amount of downloads:8042
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ZHOU Yufan,GAO Hui,LONG Yi
Abstract:To cope with the impact of electric vehicle(EV)charging loads on the power grid and achieve abalance of interests between the power grid,charging station and users,a customized charging strategy for EVs that takes dynamic electricity prices into consideration was proposed. Initially,the dynamic pricing mech...
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Number of views:2882 Amount of downloads:8041
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DI Ya,ZHANG Jinhua,QIAN Yang
Abstract:In DC power grid,when serious metallic short circuit fault occurs in the DC side line of voltagesource converter(VSC),the fault current has the characteristics of a fast rising speed and a large peak. The DCcircuit breaker is used to isolate the fault,which greatly increases the requirements for the quick a...
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Number of views:2302 Amount of downloads:8027
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TIAN Bin,SUN Quanhui
Abstract: AC/DC switching power supply is the main source of electrical system,its development trend islarge capacity,high power density,high efficiency,low power factor and low harmonic content. However,there are still some common problems with existing digital power supplies,including poor anti-interference abilit...
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Number of views:2388 Amount of downloads:8005
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LI Bingran,FU Hongquan,CHEN Xi
Abstract: Aiming at robust control of six-phase copper rotor induction motors(SpCRIM)under uncertaindisturbances,a new backstepping control strategy based on advanced ant colony optimized(AACO)recursiveRomanovski polynomial neural network(RRoPNN)was proposed. Based on the theory of backstepping controltheory,the con...
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Number of views:2862 Amount of downloads:7986
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FANG Yong,SONG Tao,GUO Ziqiang,WANG Jian,GUO Jie
Abstract:With the continuous development of renewable energy sources and the increasing share ofrenewable energy in the grid,optimal coordination of maintenance work becomes increasingly important in order to ensure the safety of power supply in power systems considering renewable energy access. Current tools formai...
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Number of views:2290 Amount of downloads:7974
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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...
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Number of views:2877 Amount of downloads:7965
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ZHOU Jinwei,DING Dawei,JIANG Xuexiang,REN Zhaoting,LI Xizhi
Abstract:Maximum torque per ampere(MTPA)control can effectively improve system efficiency throughreducing copper loss,which is suitable for air conditioning permanent magnet compressor system. However,due to the inverter non-ideal characteristics,the tracking accuracy of the optimal current vector angle decreases. T...
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Number of views:2493 Amount of downloads:7930
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KONG Lingqing,HE Shan,DONG Xinsheng,LI Ji,YANG Dingqian,HU Shuai
Abstract: In order to solve the problem of voltage and frequency fluctuations at the grid-connected point of thepermanent magnet wind turbine during high and low voltage ride-through,a virtual synchronous generator(VSG)was proposed to control the grid-side converter to improve the inertia and damping of the permanen...
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Number of views:2638 Amount of downloads:7928
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CHEN Zheng,WU Yangjin,HUANG Dingjie,WANG Chaojun,FU Xinhui
Abstract:Under the background of limited resources and time,equipment maintenance is considered as aneffective way to maintain the stable operation of the system. In order to allocate maintenance resources efficiently,the most critical equipment in the system should be identified first namely those that will cause s...
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Number of views:2220 Amount of downloads:7923
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LÜ Zhengyu
Abstract:The power transmission and transformation system is an important link of power transmission. Inorder to reduce the cost of operation and maintenance and improve the recognition effect,an application method of automatic identification and control of transmission and transformation vulnerable lines was propos...
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Number of views:2731 Amount of downloads:7918