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TONG Xin,SONG Guobing,ZHANG Zhihua,WANG Junfeng,LEI Zhirong
Abstract: Due to the change of the ground parameters of the distribution network after the single-phasegrounding fault,the traditional active arc suppression method based on the ground parameters in the normaloperation state has a deviation between the compensation current reference value and the actual value. Incons...
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Number of views:1109 Amount of downloads:1349
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ZHANG Pengcheng,TUSONGJIANG Kari,WANG Hailong,YILIHAMUYaermaimaiti,LU Haotan,RUAN Jiayang
Abstract: In order to improve the accuracy of automatic reading of tilted meter images,a novel algorithmbased on ORB and improved region growing method was presented. Firstly,the ORB algorithm was applied to detect the feature points of the target image and the template image,and the transformation matrix used to ac...
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Number of views:1111 Amount of downloads:1146
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SUN Zhenqin,QU Jianhua,ZHANG Zhenzhen,QUAN Xiao,LI Hongbin,TAN Peng
Abstract: In order to improve the measurement accuracy of the position and speed closed-loop of the brushlessDC motor,which is currently used in the attitude control actuator,a new cumulative pulse M/T method wasproposed,based on incremental off-axis magnetic encoder(AS5304A)and TMS570 chip internal integratedenhance...
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Number of views:1195 Amount of downloads:1382
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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...
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Number of views:1131 Amount of downloads:1210
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SHI Dongsheng,WANG Tao,QIU Shuming,WANG Wenguang,WANG Yubo
Abstract: Application of TAC1 series high performance high power inverter products of Tianjin ElectricResearch Institute on 20-high reversible mill was introduced.The common DC bus multi drive system consists ofactive infeed converter and inverter. Firstly,the device selection of the system and the calculation of tra...
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Number of views:1412 Amount of downloads:2492
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DU Yiming,CHENG Zhijiang,LI Zhiwen
Abstract: In order to realize the high-precision trajectory tracking control of four-wheel skid-steering mobilerobot(SSMR),under slip and external disturbance,an auto-disturbance tracking controller based on double closedloop rail structure was designed,and its stability was proved. First of all,in order to solve the...
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Number of views:1413 Amount of downloads:1650
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LIU Lingshun,LI Yongheng,YAN Hongguang
Abstract: A nine-switch converter space vector pulse width modulation(SVPWM)algorithm was proposedbased on the dual Y shift 30° permanent magnet synchronous motor(PMSM)voltage vector. Compared with thebiggest four vectors of the twelve-switch converter SVPWM algorithm,the proposed algorithm not only reducesthree swi...
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Number of views:1220 Amount of downloads:1283
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XU Yelin,LU Xinqiang,ZHAO Ang,MA Li
Abstract: A cooperative control method for multi-port energy routers in distributed distribution networks wasproposed. Under the premise of power balance and bus voltage stability,seamless switching of various workingmodes of multi-port energy routers was realized to ensure the security and stability of distribution...
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Number of views:1344 Amount of downloads:1460
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ZENG Jiang,XIONG Taojun,XIE Baoping,ZHAO Benqiang,MA Haijie
Abstract: Aiming at the deficiency that the traditional active power filter(APF)can only control the localharmonic source,a harmonic active defense system(HADS)based on virtual harmonic resistance was proposed.The principle of harnessing harmonics in distribution network by HADS was analyzed,the HADS simulationmodel...
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Number of views:1331 Amount of downloads:1373
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XIAO Longhai,FU Ming,JIN Hai
Abstract: Aiming at the problem of power deviation caused by uncertain influence of renewable energy andelectric heating and cooling loads in the integrated energy system(IES)to realize integrated energy system optimaldispatch,a double-layer IES optimal dispatch strategy was proposed by combining the stochastic mode...
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Number of views:1335 Amount of downloads:1575
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YAO Yan,GAO Feilin,ZHOU Ziwang
Abstract: Aiming at the problems of increased network loss and node voltage deviation of the traditionaldistribution network after the distributed generations(DGs)is connected to the network,an optimization strategythat takes into account the reactive power output of DGs grid-connected inverter was proposed. Firstly...
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Number of views:1266 Amount of downloads:1222
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LIU Zhongmin,ZHAO Danyang
Abstract: Non-invasive load monitoring monitors the working status of each electric equipment by installingan intelligent meter at the main power interface,aiming to collect and analyze users' power consumptioninformation in real time. According to different characteristics of household user load change in power...
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Number of views:1572 Amount of downloads:1285
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SUN Ke,WANG Lei,YANG Xuan,WENG Hua,SUN Yikai,ZHENG Jiehui
Abstract: How to coordinate between power grid safety,low carbon and economic costs to achieve themaximum social benefits has a great impact on the "double carbon" strategic goal put forward by Chinagovernment. Therefore,a multi-objective optimization method for elastic power grid considering resilience indexwas pro...
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Number of views:1445 Amount of downloads:1202
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FANG Qiang,CHENG Zhijiang,YANG Handi
Abstract: For the problem of uneven power output and unbalanced state of charge(SOC)of energy storageunits caused by large-scale integration of distributed generation systems(DGS),such as photovoltaic and windturbine,into the grid,an improved consistency algorithm based on gradient compensation was proposed based on...
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Number of views:1297 Amount of downloads:1235
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WANG Ru,WANG Haiyun,FAN Tianyuan,ZHANG Shengnan
Abstract: University buildings are major energy users,and there are two main forms of energy use:electricityand heat. Making full use of the roof resources of university buildings to develop solar energy projects andrationally allocate energy storage can effectively improve the energy economy. In order to improve th...
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Number of views:1280 Amount of downloads:1243