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HE Long，MA Jincai，ZHU Yongming
Abstract：The contact electrical contact fault of gas insulated switchgear（GIS）will affect its electricalperformance. A multi-physics coupling model of GIS contact vibration was first established to address the difficultyin diagnosing contact faults. An experimental platform for high-current detection of GIS was buil...
更多Number of views：2 Amount of downloads：2
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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，...
更多Number of views：1202 Amount of downloads：4072
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LIU Xin，WEI Lixin，ZHANG Feng
Abstract：In addressing the issue of the electrical drive system of oil drilling rigs encountering instability inactuator output due to interference from multi-source random noise，a novel approach was proposed. The Fractaltheory was utilized to isolate random noise in the drilling rig electrical control system. The p...
更多Number of views：923 Amount of downloads：3563
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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：792 Amount of downloads：3166
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ZHONG Jie ，YAN Xiaoxia，HU Hua，WANG Zhao，ZHU Bingxu
Abstract：The electrified railways system is a complex system of traction power supply system and traincoupling. In order to ensure the safe operation of trains under complex working conditions，it is necessary toidentify the disturbance of the vehicle-network coupling system in a timely and accurate manner. To solve ...
更多Number of views：1427 Amount of downloads：5340
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ZHANG Jie，CHEN Qiang，LUO Yuanfeng，QIN Jiming，WEI Juren，WU Beixing
Abstract：Power cable is an important carrier of power transmission. To solve the problems of low accuracyand large computation in voicing diagnosis with traditional convolutional neural network model，a novel cable faultdiagnosis method based on multiple voicing features and lightweight convolutional neural network w...
更多Number of views：969 Amount of downloads：3591
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DANG Yihan，XU Chuanfang，WANG Shaozu
Abstract：Usually，the DC side of the traction rectifier requires a series LC resonant circuit to filter out thepulsating component of 2 times the grid frequency. When the resonant inductor on the DC side had a short-circuitfault，the pulsating component would be transferred to the motor side，the problems such as torque...
更多Number of views：1109 Amount of downloads：3379
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PEI Zhiqiang
Abstract：Aiming at the traditional mine hoist rocker arm bearing fault diagnosis technology which usuallyonly utilizes a certain specific geometric structure of the vibration dataset and fails to obtain the optimal similaritygraph structure，an intelligent diagnosis method for bearing faults based on adaptive graph e...
更多Number of views：991 Amount of downloads：3479
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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：1144 Amount of downloads：3053
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CHI Yuhang，ZHAO Lu，GE Qiongxuan，LIU Xue，CHENG Shi
Abstract：Taking the switch tube open-circuit fault of dual bridge series resonant DC-DC converter（DBSRC）as the research object. Firstly，the basic working principle of DBSRC was summarized，and the open circuit faultcharacteristics of DBSRC converter were introduced. On this basis，the fault characteristics that can be...
更多Number of views：983 Amount of downloads：3000
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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...
更多Number of views：1173 Amount of downloads：3682
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JI Liang，XU Jun，GUAN Ya，CUI Jingxia，HE Jie，PAN Yihang
Abstract：The three-core underground cable in the distribution network works in a harsh environment. Due tothe influence of aging，external force，high temperature and humidity，the insulation of long-term live operation iseasily damaged and causes faults. Aiming at the single-phase grounding fault of cable in distribut...
更多Number of views：1102 Amount of downloads：2765
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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...
更多Number of views：1384 Amount of downloads：3001
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ZHANG Chunli，LIU Hongwen，FANG Pengxing，CHAI Chenchao，ZHANG Wenqiong
Abstract：Incidents such as the burning of electromagnetic voltage transformers（PT），damage to primaryharmonic suppressors，and fuse tripping occur frequently in low and medium voltage distribution systems due toferroresonance，severely affecting the safe and stable operation of the system. Therefore，through theoretical...
更多Number of views：1146 Amount of downloads：3272
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XIONG Wei，CHEN Long，LÜ Shunli，GUO Zhenyu，LU Xin
Abstract：To address the complexities of transformer condition assessment indicators and the overreliance onexpert judgment in the evaluation process，a novel method for fuzzy comprehensive assessment of transformercondition was introduced，which is based on gaming theory and an improved version of the D-S evidence the...
更多Number of views：1420 Amount of downloads：3071
