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Ivan A. Hernandez-Robles, Xiomara Gonzalez-Ramirez, Juan C. Olivares-Galvan, Rafael Escarela-Perez and Rodrigo Ocon-Valdez
Designing and manufacturing transformers often involves variations in heights and thicknesses of windings. However, such geometric asymmetry introduces a significant impact on the magnitude of stray transformer losses. This study examines the effects of ...
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Huishan Li, Lei Shi, Siwen Fang and Fei Yin
Aiming at the problem of accurately locating and identifying multi-scale and differently shaped apple leaf diseases from a complex background in natural scenes, this study proposed an apple leaf disease detection method based on an improved YOLOv5s model...
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Pietro Dell?Oglio, Alessandro Bondielli and Francesco Marcelloni
Today, most newspapers utilize social media to disseminate news. On the one hand, this results in an overload of related articles for social media users. On the other hand, since social media tends to form echo chambers around their users, different opin...
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Qiang He, Chao Fan, Guang Yang, Huiqi Li, Jiadong Li and Xiaogang Chen
With the wide application of power electronic devices and nonlinear loads, the resulting inter-harmonic pollution is becoming more and more serious in the power system. As important equipment in power systems, transformers have always been the focus of r...
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Nuttee Thungsuk, Narong Mungkung, Thaweesak Tanaram, Arckarakit Chaithanakulwat, Somchai Arunrungsusmi, Wittawat Poonthong, Apidat Songruk, Khanchai Tunlasakun, Chalathip Chunkul, Tanes Tanitteerapan, Toshifumi Yuji and Hiroyuki Kinoshita
This study used the Area Elimination Method (AEM) of transformer design with transformer characteristic simulation. The multidimensional variable of physical parameters such as magnetic density, current density, voltage and coil turn was performed. This ...
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Stjepan Frljic, Bojan Trkulja and Igor ?iger
Losses due to eddy currents in an open-type transformer core are significantly reduced by the lamination of the transformer core. In order to further reduce the eddy current losses, the open-type core often has a multi-part structure, i.e., it is compose...
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José Miguel Bruzón Hernández,Orestes Hernández Areu,Josnier Ramos Guardarrama
Pág. 21 - 30
En los transformadores el tema de la distribución o configuración de la zona de los entrehierros, ha motivado la discusión de especialistas,toda vez que la combinación de los parámetros que caracterizan a esta zona ejerce cierta influencia sobre los nive...
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Lefeng Cheng, Tao Yu, Guoping Wang, Bo Yang and Lv Zhou
This paper develops a novel dynamic correction method for the reliability assessment of large oil-immersed power transformers. First, with the transformer oil-paper insulation system (TOPIS) as the target of evaluation and the winding hot spot temperatur...
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Diego Ernesto Viteri, César Andrés Garzón Bustos, Eider Alexander Narvaez Cubillos
Pág. 140 - 151
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Hyewon Lee, Jong-Min Park, Kyeon Hur and Yong Cheol Kang
This paper describes the design, evaluation, and implementation of a compensation scheme for a measurement voltage transformer (VT) using the hysteresis characteristics of the core. The error of a VT is caused by the primary winding voltage and secondary...
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