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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:2347 Amount of downloads:6343
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XU Dacheng ,YIN Chunya ,ZHOU Jiayang ,LI Fengting ,LIU Jiangshan
Abstract:To mitigate the fatigue load generated by wind turbine participation in primary frequency regulation,a primary frequency regulation strategy considering the fatigue load of wind turbine was proposed based on themechanical dynamic response characteristics and control device operation characteristics of wind ...
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Number of views:2320 Amount of downloads:5765
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LIU Zhen,ZHU Zimin,WANG Xiaoyun,NAN Dongliang,DUAN Yu,WU Xiaofang
Abstract:As the penetration of renewable energy in power systems increases,converter-based devices aregradually becoming dominant in the grid. In terms of system frequency stability support,grid-forming converters,which can provide both active inertia support and fast frequency response services,hold great potential...
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Number of views:2319 Amount of downloads:10561
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WEI Jian,CHEN Jingxin,ZHANG Xinyue,QIU Guangjuan,ZHANG Jiawei
Abstract:High-precision power converters are core components of ultra-precision motor motion controlsystems.Their output current harmonic distortion can cause unnecessary positioning fluctuations in ultra-precisionmotors,severely impacting the precision control system.Total harmonic distortion is an important index ...
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Number of views:2311 Amount of downloads:6940
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LI Peiying,XIA Jiakuan,WAN Chengchao
Abstract: In view of the mechanical vibration of the manipulator joint servo system due to the existence offlexible links such as harmonic reducer and toothed belt,a mathematical model considering the change of stiffnesscoefficient and large reduction ratio was established,the mechanism of mechanical resonance was a...
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Number of views:2311 Amount of downloads:3925
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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:2296 Amount of downloads:7357
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CHEN Shaoxia,JIN Xinru,YAO Gang,ZHANG Jiajie,FAN Jia
Abstract:In recent years,with the increasing shortage of energy,the ship power system is transitioningtowards new energy upgrading. However,the uncertainty of new energy output has also brought new challenges tothe economic and safe operation of the system. Therefore,traditional ship energy management is no longerap...
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Number of views:2286 Amount of downloads:4444
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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:2286 Amount of downloads:4975
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MENG Chao,WANG Lianzhi,XIE Min,FU Yichao
Abstract: As the existing system fails to evaluate the process of pushing the power grid dispatch controlinstructions,the push delay and energy loss increase. A feature selection-based automatic push system for power grid dispatch control commands was proposed.According to the characteristics of power grid dispatch ...
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Number of views:2286 Amount of downloads:4332
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SUN Lunan,ZHOU Yong,LIU Xiaodong,LIU Yawei,WANG Haoyu
Abstract:Combined with the current software features and the requirements for function expansion of thecurrent test equipment engineering project,a set of test data analysis system was designed. The system includes the functions of remote test data monitoring,historical data playback,test data analysis,data predicti...
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Number of views:2284 Amount of downloads:7569
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XU Hai,MI Yanqing,WANG Yanyang,XU Zhipeng
Abstract:Permanent magnet synchronous motor(PMSM)has the advantages of fast dynamic response,highpower density,and high torque at low speed,but the temperature variation and complex working conditions willcause the variation of PMSM parameters,thus affect motor performance and reduce the output efficiency. Toaddress...
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Number of views:2283 Amount of downloads:7753
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LI Zhen,ZHAO Pengxiang,WANG Nan,CONG Lin,WANG Huiyuan,CAO Yan
Abstract: Exploring the flexibility of the heat and electricity coupling integrated energy system(HEC-IES),reducing system operation costs and promoting renewable energy consumption are hot issues in the field of energyinternet. Thus,a day-ahead optimal scheduling method of the HEC-IES considering the thermal dynami...
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Number of views:2275 Amount of downloads:4713
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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...
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Number of views:2268 Amount of downloads:7047
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PANG Bo,MENG Jing,ZHANG Yang,TA Na,WANG Haibo,DU Jing
Abstract:The accurate identification of hidden danger for power utilization in low-voltage substations plays animportant role in improving the quality of power supply and reducing the risk of accidents.To improve the accuracyof identifying hidden danger in low-voltage substations,a low-voltage user hidden danger for...
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Number of views:2263 Amount of downloads:6483
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WANG Junlong,QIAN Xujun,LI Yongxiang,WANG Shouchang
Abstract: It is well known that the power system operation process will appear to require explicit justprediction difficulties and other problems,the power system operation reliability prediction model based oncontinuous collaborative machine learning algorithm was constructed.First,the continuous collaborative mach...
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Number of views:2248 Amount of downloads:4261