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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:2570 Amount of downloads:6429
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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:2406 Amount of downloads:5539
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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:2641 Amount of downloads:6393
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JIANG Yehai,JIAO Hao,CHEN Zhi,MA Jiayang ,LI Bin
Abstract:To improve the quality of power distribution network parameters,an abnormal parameteridentification and localization method for distribution networks based on smart meter measurements was proposed.The method transformed the nonlinear identification equation solving problem in traditional identificationalgor...
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Number of views:1887 Amount of downloads:5155
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GUO Jiajun,XU Zhi,ZHAI Baoyu,CHEN Yutian,CHEN Junru
Abstract:Aiming at the low voltage ride through(LVRT)problem of the combined grid-connected systemwith new energy-energy storage under the control of the grid-forming converter,an additional voltage limitercontrol scheme based on the traditional LVRT was proposed. Firstly,the shortcomings of the traditional LVRTstra...
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Number of views:2118 Amount of downloads:7016
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LIANG Haisheng
Abstract:In order to further improve the accuracy of fault identification of local abnormal factors indistribution network,a digital twin based fault identification simulation of local abnormal factors in distributionnetwork was proposed. Through real-time acquisition of electrical parameters of distribution network...
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Number of views:2169 Amount of downloads:6745
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YUAN Shaowei,LI Yuxiang,JIANG Jie,ZHANG Bei,ZHU Qing
Abstract:In order to solve the problems of intermittent and fluctuating distributed energy,took three majorphysical entities in the demand response project,namely system operator,load aggregator and load end user,as the research object,the transactions between supply and demand within the power system composed by the...
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Number of views:2039 Amount of downloads:6519
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YU Shengcan,YU Tao,FENG Miaoyong
Abstract:Accurately and quickly identifying the fault types of traction transformers is a key technology forintelligent operation and maintenance. Aiming at the problems of single model deviation in the current traditionalalgorithm and the constraints between the iteration rate of complex models and the deployment o...
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Number of views:1977 Amount of downloads:5778
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LI Yunwang,CHEN Junde,ZHANG Daping,SANG Yun,HAN Xiaolei
Abstract:An adaptive active arc suppression method based on S-transform correlation degree for distributionnetwork unidirectional grounding was proposed to effectively eliminate single-phase grounding fault arc indistribution network and improve power system stability. The time series data of zero-sequence current o...
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Number of views:1965 Amount of downloads:5040
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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:2873 Amount of downloads:10746
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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:2082 Amount of downloads:5708
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LOU Bin,HAI Ying
Abstract:Harmonic loss is one of the main causes of safety accidents in excitation transformers. If the lossvalue is too large,it can easily affect normal substation and transmission. Therefore,a method based on waveletpacket decomposition and reconstruction was proposed to calculate the additional loss of rectifica...
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Number of views:2076 Amount of downloads:6227
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CAO Min,YU Wenjin,BAI Zeyang,YI Xin,JU Jian
Abstract:In order to ensure the minimum carbon emission and optimal power distribution of the hybridenergy storage microgrid under the constraint of carbon footprint,a distributed coordinated control algorithm of the hybrid energy storage microgrid under the constraint of carbon footprint was proposed. Based on the ...
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Number of views:2004 Amount of downloads:6241
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GUAN Wei,DONG Lei
Abstract:Among the junction temperature monitoring methods of insulated gate bipolar transistor(IGBT),the temperature-sensitive parameter method has attracted wide attention because of its fast response speed,low cost and easy on-line detection. Previous studies have shown that the gate threshold voltage(VTH)among t...
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Number of views:2310 Amount of downloads:6022
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FU Chen,FEI Fei,WANG Jianjun,GUO Mingxing,LIN Shunfu,ZHANG Qi
Abstract:Making full use of the regulation of flexible resources can effectively suppress the fluctuation ofrenewable energy generation and ensure the economic and safe operation of power system. An optimal dispatchingmethod for power system considering the flexibility of battery energy storage systems(BESS)and pump...
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Number of views:2013 Amount of downloads:6446