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CHEN Ya′ai,LI Zixuan,ZHOU Jinghua,WU Jiewei
Abstract: As a three-level Boost AC/DC converter with unidirectional energy flow,the VIENNA rectifier iswidely used in electric vehicle charging systems and other occasions. The key to improve the power quality and thesystem reliability is the quality of control strategy. Therefore,the control strategy of the VIENNA ...
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Number of views:5595 Amount of downloads:4812
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XIAO Jiakai,ZHENG Gaofeng,LIU Pengxi,LIN Deqiang
Abstract: At present, high-speed electric machines (HSEMs) have been widely used in many industrial fields. The development status and future research directions of high speed motors were summarized and discussed. Firstly, the latest research progress of different types of high-speed motors was introduced, and the ch...
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Number of views:5622 Amount of downloads:4803
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ZENG Xiaotong,WANG Rongmao
Abstract: The Vce method and the Vth method are two recommended junction temperature measurement methods in the IGBT thermal resistance test standard. However,the relationship and equivalence of the junction temperature measured by the two methods are not explained. Firstly,the voltage composition of Vce and Vth was...
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Number of views:4858 Amount of downloads:4784
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ZHOU Da,WEI Liguo,YUAN Yulong,LU Yiqiao
Abstract: By integrating pure pursuit algorithm with integral control algorithm,an autopilot method based ondiscrete point set path was proposed to implement high-precision path-tracking function of a special trailer with large towed mass. The kinematic model of vehicle,the pure pursuit model,the limit steering issu...
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Number of views:4736 Amount of downloads:4778
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WU Zuoping,WANG Hongyan,ZHANG Qianfu,XIE Qing
Abstract:Electricity theft by users is the main cause of non-technical loss of electric energy in power grids,which causes huge economic losses and resource wastage to the power system. Compared with a large number ofusers' normal electricity samples,electricity theft users belong to a minority class of samples,...
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Number of views:1392 Amount of downloads:4777
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YAN Yuhao,ZHOU Buxiang,CHEN Shi,DONG Shen,LIU Zhifan,ZANG Tianlei
Abstract: At present,the focus of research on doubly fed induction generator(DFIG)high voltage ride through is a single high voltage fault.However,after DFIG low voltage ride through,due to the irrationality of the reactive power compensation strategy,a low/high voltage compound fault have be caused,which have a cer...
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Number of views:3967 Amount of downloads:4776
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ZHANG Ao,DAI Linwang,MA Zhengyang,LI Shaolin,ZHANG Xueguang
Abstract: Doubly-fed wind turbine is easy to produce sub-synchronous oscillation in series compensation grid.Using virtual synchronous control structure to improve inertia and damping for grid may also lead to subsynchronous oscillation risk. In view of the causes of sub-synchronous oscillation,firstly,the double-fe...
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Number of views:3378 Amount of downloads:4753
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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:1145 Amount of downloads:4745
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LI Xinhai,FAN Dehe,MENG Chenxu,ZENG Lingcheng,YUANTuolai
Abstract: Due to various environmental factors,the relay platen status recognition needs manual inspection fora long time,and the current popular platen image recognition program requires a huge background computingarchitecture,which can not immediately obtain the verification information in the operation site,and s...
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Number of views:1590 Amount of downloads:4729
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HUO Huijuan,LI Peidong,XIN Cheng,LI Weiwei,LU Yanchao,CHEN Tianqiong
Abstract:Under the context of the new power system,the high share of renewable energy brings significantchallenges to the security,stability,and economic operation of the system and the grid. An uncertain optimizationscheduling model for hydrogen storage/electricity-gas integrated energy systems supported by large p...
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Number of views:1848 Amount of downloads:4724
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WANG Wenyuan,LUO Zhiwei,XIA Huan,CHEN Jie
Abstract:The modeling of distributed power sources in DC microgrids serves as the foundation for large-scalepower system simulations. However,the difficulty in obtaining electromagnetic parameters of diesel generatorshampers the accuracy of their electrical characteristic modeling. To address this issue,a data-drive...
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Number of views:1585 Amount of downloads:4716
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CHENG Zhiyuan,LI Zheng,WU Longfei,CHEN Kun,SUI Licheng
Abstract: Wireless power transmission technology can effectively solve the problems of wear,leakage and soon in the energy transmission process of traditional plug-in electrical equipment because of its non-physical contactenergy transmission mode. In view of this,a new type of secondary side magnetic ring strip typ...
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Number of views:4162 Amount of downloads:4706
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LIU Kai,LI Gang,WANG Xin
Abstract: According to the 90 s regular breaking and 15 s emergency breaking requirement for 60 MW axialcompressor used in some large scientific facility,a control strategy of electric hybrid breaking in the convertor wasdesigned. The hybrid braking control strategy was analyzed and calculated,and the optimal brakin...
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Number of views:1747 Amount of downloads:4701
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GUO Yanhui,LI Hao,LUO Min,CHEN Jie
Abstract:In power electronic devices,the supporting capacitor is a crucial component. To ensure the safety ofthe system,monitoring the status of the capacitor is particularly important. A neural network approach wasemployed,and analyzing the correlation between control strategies and circuit topology parameters to d...
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Number of views:1154 Amount of downloads:4695
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QIAO Chunlin,JIN Chuxiong,CHEN Dong,LIU Jianming
Abstract:In response to the potential local electric field distortion and insulation weaknesses that may occurunder high-voltage operating conditions in 35 kV European cable connectors,a 35 kV European cable connectorsstructural design method based on adaptive geometric optimization was proposed. The method integrat...
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Number of views:1364 Amount of downloads:4692