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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...
更多Number of views：1898 Amount of downloads：9844
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LI Shengnan，HE Tingyi，HE Xin，HE Peng，ZHANG Yongchang，ZHANG Shengan
Abstract：During the joint operation of permanent magnet direct drive wind power generation systems，thechanges in motor side parameters may cause problems such as reduce control accuracy and stability on the machineside，which in turn affects the DC bus voltage of the converter，leading to power fluctuations on the gri...
更多Number of views：2225 Amount of downloads：9832
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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...
更多Number of views：2716 Amount of downloads：9808
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SHEN Zhangliang，CHEN Yini，LI Haomin，LIU Zihao，MA Hongzhong，GE Xuanhao
Abstract：A fault diagnosis model for isolation switches based on Markov transition field（MTF），catch fishoptimization algorithm（CFOA）improved pyramid vision transformer（PVT）was proposed to address theproblems of complex fault situations，strong noise in signal extraction，and insufficient feature extraction. Firstly，th...
更多Number of views：2535 Amount of downloads：9780
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HU Junze，YANG Genghuang，GENG Liqing，LIU Xinyu
Abstract：To address the issues of low accuracy and precision in transformer fault diagnosis，a transformerfault diagnosis method based on an improved particle swarm optimization-long short-term memory（IPSO-LSTM）network was proposed，integrating data feature selection and an improved particle swarm optimization algorit...
更多Number of views：1658 Amount of downloads：9774
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HU Qingjun，CAO Xinhui，FENG Yu，ZHU Lipeng，ZHAO Wenjing，WEI Yushan
Abstract: The process automation control system L2 of an aluminum zinc plating production line wasexplored. In response to potential production faults on the production line，a process data control module of theprocess automation control system was provided. Through the analysis of process data，the fault location of ...
更多Number of views：2249 Amount of downloads：9761
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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...
更多Number of views：2658 Amount of downloads：9754
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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 ...
更多Number of views：3161 Amount of downloads：9742
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YIN Xiang，ZHANG Xiaojun，FENG Xinjia，CHENG Shi，TAO Yuxin，XIAYuande
Abstract：As the penetration rate of new energy and power electronic equipment increases，the inertia anddamping of the power system decrease，and the stability decreases.The grid-forming control technology builds avoltage source to support the stable operation of the large power grid through the converter，so as to pla...
更多Number of views：3191 Amount of downloads：9740
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HU Junhua，WEI Huabing，FUYinfang，QIAOMin，GAO Baolong
Abstract: The safety monitoring of existing ultra-high voltage direct current（UHVDC）converter stationsmostly adopts manual on-site detection，which presents major safety hazards and high labor costs. In order to meetthe safety needs of the power transmission system，a multi-angle joint monitoring system was designed f...
更多Number of views：2286 Amount of downloads：9736
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LUO Huanliang，WANG Zaixiang，LI Yesong
Abstract：Aimed at the issues of deadbeat direct torque and flux control strategy（DB-DTFC）such as relyingon the accurate motor model，high computational load，and coupling between torque and flux，a simplified strategy of DB-DTFC for permanent magnet synchronous motor which based on flux planning was proposed. Firstly，p...
更多Number of views：2516 Amount of downloads：9728
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ZHANG Jianwen，MA Haixiao，JIAN Jiahong，LIU Yueneng
Abstract：To eliminate the leakage current of single-phase non-isolated photovoltaic inverter，a six-switchphotovoltaic inverter topology with low leakage current was proposed. The topology consists of a voltage multipliercircuit，a common ground three-level inverter circuit and a LC output filter circuit. The combinat...
更多Number of views：1630 Amount of downloads：9707
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CHEN Weikang，WANG Haixin，ZHANG Zhiyong，CHEN Zhenyu，SHEN Jie
Abstract：Flux-weakening control technology can effectively broaden the speed range of the permanentmagnet synchronous machine（PMSM），therefore，it is of great significance to the research on the flux-weakening control of permanent magnet synchronous machine. Most of flux-weakening modified the flux-weakening current c...
更多Number of views：2902 Amount of downloads：9705
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GUO Wen，HUANG Zhu，ZHOU Mingzhong，WANG Danxiang
Abstract：The excitation inrush generated when the no-load transformer is closed may appear to causeequipment failure，affect the power quality and lead to line overload and other problems，at this stage，phasecontrolled opening and closing is an effective means of suppressing the inrush，the circuit breaker closingchara...
更多Number of views：2033 Amount of downloads：9702
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CHE Zihang，WU Jiahui，WANG Weiqing，ZHANG Hua，YANG Jian，PEI Yufeng，ZHANG Jingang
Abstract：To further improve the economy of integrated energy system（IES）capacity allocation，an IESoptimization configuration model based on supply-demand collaborative response was proposed，aiming todetermine the optimal comprehensive capacity of various equipment in the system. First of all，based on thecharacterist...
更多Number of views：2203 Amount of downloads：9693
