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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:3507 Amount of downloads:14803
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HE Yongpeng,WANG Mingyue,WANG Yubo,WANG Chunhui,ZHAO Zesheng
Abstract:Based on the parallel structure of high-power converter system,a high real-time and highsynchronization optical-fiber communication scheme was proposed. The on-fly transmission ensures that thecommunication between the controllers has a low delay,and the clock synchronization algorithm compensates thetime-d...
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Number of views:3292 Amount of downloads:14783
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JIANG Zhaoping,LIYue,LIUMingkai,ZHEN Dongfang,HOU Xinxu,WANGTong
Abstract: In order to ensure the efficient and stable operation of high-temperature submersible motors,and totimely avoid motor failures caused by high operating temperatures,which may affect production,it is necessary toobtain their underground temperature without temperature sensors. Based on this situation,a temp...
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Number of views:3282 Amount of downloads:14644
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TIAN Jiabin,YANG Chuanjiang,LI Junda,GU Jiateng,ZHANG Zhenbin
Abstract: The doubly-fed induction generator(DFIG)is the mainstream model in the wind power market.Since there are multiple time-scale control objectives in the wind turbine,it is difficult for conventional linearcontrol methods to optimize the multi-objective. Model predictive control(MPC)is an effective method for...
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Number of views:3500 Amount of downloads:14598
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LIU Erhao,WANG Junqing,QIAO Lili
Abstract: Permanent magnet synchronous motor(PMSM)driving stable platform directly is often used inguided rockets to realize the decoupling control of stable platform. Due to the extended state observe(ESO)contained in the active disturbance rejection controller(ADRC),it can accurately estimate the speed of the rota...
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Number of views:4067 Amount of downloads:14557
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LEI Aoyu,SU Tingting,MEI Yong,HUANG Fangneng,WANG Yu,WU Wei
Abstract:In the critical period of the implementation of the strategy of "carbon neutrality,carbon peak",thefrequency characteristics of the new power system show a series of new characteristics,such as the reduction ofnode inertia level and obvious distribution difference,and the maintenance of frequency stability ...
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Number of views:4431 Amount of downloads:14553
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ZHU Jin,JIANG Ye,ZHONG Chonglei,XU Weihe,MAO Feng,DAI Yongzheng
Abstract:The resilience capacity of farm distribution networks primarily stems from distributed generators,such as photovoltaic and biogas systems,to withstand disturbances and facilitate load recovery as microgrids during system failures. However,the dynamic characteristics of distributed generators and the cascadi...
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Number of views:2214 Amount of downloads:14511
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LI Mingbo,SUN Zhiyuan,ZHENG Kun,LIU Mosi,GAO Like
Abstract:With the increasing scale of new energy power generation and the continuous reduction of lithiumbattery cost,energy storage technology has gradually become an important supporting technology to achieve thegoal of "double carbon". However,the state of charge(SOC)of the energy storage system is too high or to...
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Number of views:2604 Amount of downloads:14475
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HUANG Xinbing,DENG Xinglong,LIU Xiaojuan
Abstract: Aiming at the problems of low production efficiency,poor consistency of appearance and high laborintensity in the manual way of packaging tin box sleeve film for bagging drinks and tea,a kind of automaticequipment for multi-tin box supporting sleeve film was proposed,which integrated application of program...
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Number of views:3164 Amount of downloads:14395
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LU Shanshan,LI Li,LI Lin,SUN Haibo,WU Runze
Abstract:In recent years,the large-scale access of a large number of new power distribution services such asdistributed power generation,electric vehicles,and flexible load control has led to a sharp increase in the operating pressure of the power cloud master station. To this end,an adaptive resource allocation met...
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Number of views:3341 Amount of downloads:14390
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LIU Huichen,LI Zhen,SU Weifeng,YUWEN Bo,LI Haitao,ZHANG Zhenbin
Abstract: In the long cable driven induction motor drive systems,speed sensorless control is usually adopteddue to the long distance between the controller and the motor. In addition,long cable increases the stator sideimpedance of the induction motor,especially the equivalent stator resistance by an order of magnit...
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Number of views:4229 Amount of downloads:14376
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LUO Ranjie,LI Qian,GAO Jing,FENG Chongwen,MAMengyuan,GUO Peijian
Abstract:The development status of electric drive systems in the industrial sector and their significance inpromoting green and low-carbon transformation were studied. As a crucial control and energy-saving equipment inthe industrial sector,electric drive systems face numerous challenges posed by unchecked developme...
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Number of views:3723 Amount of downloads:14324
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ZHAO Weicheng,MA Haoyuan,HUANG Jinming,CAO Xin,KE Xingsi
Abstract:Voltage source converter(VSC)working as the interface of new energy stations connects to urbanmain network with long-distance AC line,which results a weak grid connected condition and has a risk of DCvoltage instability. To analyze the mechanism of DC voltage instability of weak grid connected VSC,a DC volt...
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Number of views:2290 Amount of downloads:14296
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WU Bing,WANG Jianliang
Abstract:The common-mode equivalent circuit model of the motor is the basis for analyzing the electricerosion of bearings,especially for analyzing the technical problems and experimental phenomena of shaft voltageand shaft current,among which the centralized equivalent model is an important calculation basis for the...
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Number of views:3832 Amount of downloads:14289
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ZHANG Bin,LI Guoqing,LIU Dagui,SHI Wei,XIAO Guilian
Abstract:Reliability assessment of distribution systems is a crucial foundation for maintaining their powersupply continuity. For existing distribution network photovoltaic systems,solar irradiance modeling was limited toits exponential autocorrelation. To enhance the reliability assessment through accurate predicti...
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Number of views:2717 Amount of downloads:14288