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ZHANG Wanying,WANG Changjiang,YU Dayang
Abstract: Due to the strong coupling between rotor speed and rotor time constant in the indirect vector controlsystem of induction motor,it is difficult to realize their parallel identification. The parallel identification based onmulti-innovation extended Kalman filter based on forgetting factor(FMI-EKF)was propose...
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Number of views:3722 Amount of downloads:9226
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LIAO Zhiwei,ZHUANG Jing,WANG Bowen,ZHENG Guangyu,XIE Xunkai
Abstract: Aiming at the problems that high voltage direct current(HVDC)transmission line protection andfault location are vulnerable to lightning interference,and the traditional lightning interference identificationmethods of transmission line based on time-domain and frequency-domain features exist the problems of...
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Number of views:2148 Amount of downloads:9211
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ZHA Haitao,XU Kexin,LI Xiaowen,LIU Bin
Abstract: Active power filter(APF)is one of the main ways to eliminate harmonic quality problems in powergrid,and LCL filter is commonly used to connect APF to power grid. In order to suppress the resonance problemcaused by LCL filter,active damping based on capacitor current feedback is a common method. Active damp...
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Number of views:3626 Amount of downloads:9196
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TAO Li,YANG Xiaxi,GU Jinhui,WEI Bingbing,ZHANG Lin,WANG Jianing
Abstract: Virtual power plant(VPP)can integrate distributed energy resource(DER)to participate in theoperation of power market and auxiliary service market,and provide management and auxiliary services fordistribution network and transmission network. Its operation and control have been widely concerned. Aiming at t...
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Number of views:2733 Amount of downloads:9187
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ZHAO Hao,LU Jinke,ZHU Yidi,ZHOU Ziniu,DU Weixi
Abstract:Junction-case thermal resistance has always been a highly concerned thermal parameter of powersemiconductor devices,which is also the standard to weight the heat sink performance of power semiconductordevices. Heat-sink design should be considered in order to prevent device overheating damage. Therefore,acc...
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Number of views:3122 Amount of downloads:9185
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HE Hengjing,ZHOU Shangli,ZHANG Bensong,XIE Wenwang,LIAN Xinkai,XU Haotian
Abstract: In order to apply the non-instrusive load montiring technology into the new generation of smartmeter,a kind of method based on the BP neural networks enhancement algorithm of clustering for loadidentification was presented. In this method,each feature was relatived to the corresponding cluster based on the...
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Number of views:4043 Amount of downloads:9185
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ZHU Junwei,HE Feng,CHEN Peixing
Abstract:With the continuous integration of new energy generation and the increasing degree of power linecabling,the problem of voltage exceeding limits in new type power system is becoming increasingly prominent. Adynamic reactive power optimization model for new type power grids was established to address this iss...
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Number of views:1902 Amount of downloads:9181
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WANG Peng,LI Zhongzhao,GONG Zhaowei,ZHANG Ningchao
Abstract: In order to solve the problem of coupling mechanism offset in wireless power transfer system,theS-S and LCC-LCC dual topological wireless power transfer system based on parameter optimization was proposed.Firstly,the output characteristics of S-S and LCC-LCC topological energy transmission channels were an...
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Number of views:4634 Amount of downloads:9174
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MA Zun,CHEN Haoying,DENG Can,CHEN Yong,GUAN Lin
Abstract:The development of modern power systems with wide span,low inertia,and complex structuremakes the frequency stability problem increasingly prominent,and the spatial-temporal distribution characteristicsof frequency are distinct. Taking the actual power grid as the object,the impacts of large-scale new energ...
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Number of views:2398 Amount of downloads:9173
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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:3214 Amount of downloads:9170
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王德明,李英量,贾俊辉,解晨,王语园
Abstract: The conventional overcurrent protection is ineffective in isolating faults in microgrids due to the lowfault current level contributed by distributed generations(DGs). Because of its high agility and adaptability,themeasured impedance-based protection schemes are considered as common alternatives to detect...
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Number of views:3569 Amount of downloads:9160
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GONG Yanchao,YANG Haiyun,MIAO Junjie,GAO Zhi
Abstract: Parallel capacitor banks can effectively improve the efficiency and quality of power transmission inthe application process of power distribution network. However,due to some unreasonable factors in the switchingmode of power capacitors,it will also generate overvoltage,thus affecting the power grid. stabi...
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Number of views:2903 Amount of downloads:9155
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ZHANG Mao,CHENG Wenming,QIN Qin
Abstract: A set of container positioning system based on the laser radar measurement technology wasdesigned and realized to solve the problems of long service time,low efficiency and high labor intensity in therailway freight yard which caused by the manual operation of crane spreader alignment. The overall architec...
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Number of views:5332 Amount of downloads:9151
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CAI Xinlei,WANG Qin,CHEN Yefu,MENG Zijie,SONG Dongkuo
Abstract:The high proportion of renewable energy system is an inevitable choice to achieve the dual carbontarget,but the uncertainty of wind and solar output will cause serious wind and light abandonment. With thedeepening reform of the electricity market,the demand-side response has also attracted much attention. I...
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Number of views:2686 Amount of downloads:9149
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FAN Peilin,HU Pengtao,XUE Jianli,LIU Zheng,HUANG Jinming
Abstract:Voltage source converter (VSC) is prone to low-frequency oscillations of 100~101Hz whenconnected to weak AC power grids. The mechanism of improving the control strategy of VSC on the traditionalinverter side to suppress low-frequency oscillations(LFO)in the AC power grid is to transfer the oscillations from...
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Number of views:1974 Amount of downloads:9146