Results 11 to 20 of about 14,339 (306)
Fault diagnosis of power transformer based on improved particle swarm optimization OS-ELM [PDF]
Archives of Electrical Engineering, 2019 A transformer is an important part of power transmission and transformation equipment. Once a fault occurs, it may cause a large-scale power outage. The safety of the transformer is related to the safe and stable operation of the power system.
Yuancheng Li, Longqiang Ma
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Power transformer fault diagnosis system based on Internet of Things
EURASIP Journal on Wireless Communications and Networking, 2021 Transformer is the most important equipment in the power system. The research and development of fault diagnosis technology for Internet of Things equipment can effectively detect the operation status of equipment and eliminate hidden faults in time ...
Guoshi Wang +6 more
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CHPOA-DBN Transformer Fault Diagnosis Method Considering Sample Within-Class Imbalance
Zhongguo dianli, 2023 In recent years, deep belief network (DBN) based transformer fault diagnosis methods have been developed. However, they share two prominent drawbacks, which are the low accuracy issue caused by the within-class imbalance of transformer faults samples and
Shuang WANG +4 more
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Frontiers in Energy Research, 2023 Aiming at the problem of lack of training samples and low accuracy in transformer early winding fault diagnosis, this paper proposes a transformer early faults diagnosis method based on transfer learning and leakage magnetic field characteristic quantity.
Xiangli Deng +3 more
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Zhongguo dianli, 2022 Dissolved gas analysis (DGA) of insulating oil can effectively identify transformer discharge fault and overheating fault. In order to improve the accuracy of transformer fault diagnosis, a transformer hierarchical fault diagnosis method is proposed ...
Tie CHEN +3 more
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Data augmentation for fault diagnosis of oil-immersed power transformer
Energy Reports, 2023 110 kV oil immersed transformer is a key part of the power transmission and transformation system, which determines the power quality and transmission efficiency. Its fault diagnosis can greatly reduce the maintenance cost and improve the economy.
Ke Li, Jian Li, Qi Huang, Yuhui Chen
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Using MLP to locate transformer winding fault based on digital twin
Frontiers in Energy Research, 2023 There is no doubt that transformer plays a fundamental role in power system. At the same time, transformer winding fault diagnosis is an important topic.
Jiangnan Liu +4 more
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IET Generation, Transmission & Distribution, 2021 The information of dissolved gas in transformer oil can reflect the potential fault in oil immersed power transformer. In order to improve the accuracy of transformer fault diagnosis, a transformer fault diagnosis model based on IFA‐LPboost‐CART is ...
Xiaoxing Zhang +7 more
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Issues in integrating existing multi-agent systems for power engineering applications [PDF]
, 2005 Multi-agent systems (MAS) have proven to be an effective platform for diagnostic and condition monitoring applications in the power industry. For example, a multi-agent system architecture, entitled condition monitoring multi-agent system (COMMAS ...
Catterson, V.M. +2 more
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Evaluation of Lightning Impulse Test by Frequency Response Analysis [PDF]
, 2006 In this work are presented the basis for improving the interpretation of transformer lightning impulse test and the development of a graphical user interface system, which allows comparisons of time domain data and frequency response.
Ramírez, Jorge, Valecillos, Baudilio
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