Relevant bibliographies by topics / Duval triangle method

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Academic literature on the topic 'Duval triangle method'

Author: Grafiati
Published: 7 June 2025
Last updated: 2 August 2025

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Journal articles on the topic "Duval triangle method"

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Putra, Muhammad Akmal Afibuddin, Rahman Azis Prasojo, Anang Dasa Novfowan, and Neelmani Neelmani. "Dissolved Gas Analysis of Generator Step Up Transformer in Grati Power Plant Using Random Forest Based Method." Jartel 13, no. 1 (2023): 51–58. http://dx.doi.org/10.33795/jartel.v13i1.583.

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Transformers are one of the important electrical equipment in the power system. To prevent some electrical contact on the component in transformers, an insulator or dielectric material is needed likely insulating oil. DGA test is important for diagnosis and deciding the maintenance of transformers. Duval Triangle and Duval Pentagon methods are DGA identification methods with the highest of accuracy compared to other methods. The data used in this article is from the DGA measurement test of transformers GT 3.1 Steam and Gas Power Plant Grati. The DGA data was analyzed by Random Forest based-mod
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Mohamed, Siti Hajar, Ab Halim Abu Bakar, and Mohd Syukri Ali. "Comparative Study of DGA for Transformer Service Life." International Journal of Renewable Energy Resources 11, no. 1 (2022): 13–26. http://dx.doi.org/10.22452/ijrer.vol11no1.2.

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This paper investigates the accuracy and reliability of each DGA method via dissolved gases. Key Gas Method, Doernenburg Ratio Method, Rogers Ratio Method, IEC Ratio Method, and Duval Triangle Method are used to test the 100 sample units. The results obtained are Doernenburg and IEC 94% accuracy each, Duval Triangle 80% accuracy, Rogers 79% accuracy, and Key Gas 75% accuracy. The said individual ratio methods are combined to proceed with newly developed hybrid testing methods that could probably improve the existing DGA methods. The first hybrid method is a combination between Doernenburg and
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Prasojo, Rahman Azis, Muhammad Akmal Afibuddin Putra, and Neelmani. "Mixture of Faults Identification on Power Transformers Using Multi-Method Dissolved Gas Analysis." International Journal of Frontier Technology and Engineering 1, no. 01 (2022): 1–12. http://dx.doi.org/10.33795/ijfte.v1i01.221.

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Utilities rely on the various Dissolved Gas Analysis (DGA) interpretation methods to identify incipient fault within power transformers. However, confusion often arises due to the use of different DGA methods which can have different results or fail to detect mixture of faults (multiple faults). This paper implements the combination of Duval Triangle and Duval Pentagon as one of the most consistent methods to do fault identification based on DGA. Recent historical DGA data of generator step up high voltage power transformers and other several previously published historical data were collected
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Permana, S., S. Sumarto, and W. S. Saputra. "Analysis of Transformer Conditions using Triangle Duval Method." IOP Conference Series: Materials Science and Engineering 384 (July 2018): 012065. http://dx.doi.org/10.1088/1757-899x/384/1/012065.

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Furqaranda, Rastra, Andik Bintoro, Asri Asri, Waleed Khalid Ahmed Al-Ani, and Ashish Shrestha. "Analysis Oil Condition of Transformer PT-8801-A by Using the Method TDCG, Rogers Ratio, Key Gas, and Duval Triangle: A Case Study at PT. Perta Arun Gas." Journal of Renewable Energy, Electrical, and Computer Engineering 2, no. 2 (2022): 47. http://dx.doi.org/10.29103/jreece.v2i2.8567.

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The power transformer would have happened disturbanced that can cause a failure at a transformer. For this condition needed to maintenance power transformer, one of which is by analyzing transformer oil by using the TDCG method. This analysis is carried out to determine the diagnosis of faults in the transformer. This method are the condition of the analysis which is based on the amount of a gas dissolved on oil a transformer. This study used four methods for transformer failure analysis are TDCG method, Rogers-ratio, gas key, and duval triangle. The results obtained by the TDCG method of diss
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Lee, Hyeong-Jin, Kwang-Hoon Yoon, Dong-Jin Kweon, and Jae-Chul Kim. "A Failure Diagnosis Method of Oil-Filled Transformer Using Expert System Based on Duval Triangle Method and IEC 60599." Transactions of The Korean Institute of Electrical Engineers 68, no. 10 (2019): 1189–94. http://dx.doi.org/10.5370/kiee.2019.68.10.1189.

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Norazhar, Abu Bakar, Sutan Chairul Imran, Ab Ghani Sharin, Shahril Ahmad Khiar Mohd, and Zamri Che Wanik Mohd. "Improvement of transformer dissolved gas analysis interpretation using J48 decision tree model." International Journal of Artificial Intelligence (IJ-AI) 12, no. 1 (2023): 48–56. https://doi.org/10.11591/ijai.v12.i1.pp48-56.

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Dissolved gas analysis (DGA) is widely accepted as an effective method to detect incipient faults within power transformers. Gases such as hydrogen, methane, acetylene, ethylene and ethane are normally utilized to identify the transformer fault conditions. Several techniques have been developed to interpret DGA results such as the key gas method, Doernenburg, Rogers, International Electro Technical Commission (IEC) ratio-based methods, Duval triangles, and the latest Duval pentagon methods. However, each of these approaches depends on the experts' shared knowledge and experience rather tha
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Bakar, Norazhar Abu, Imran Sutan Chairul, Sharin Ab Ghani, Mohd Shahril Ahmad Khiar, and Mohd Zamri Che Wanik. "Improvement of transformer dissolved gas analysis interpretation using j48 decision tree model." IAES International Journal of Artificial Intelligence (IJ-AI) 12, no. 1 (2023): 48. http://dx.doi.org/10.11591/ijai.v12.i1.pp48-56.

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<span lang="EN-US">Dissolved gas analysis (DGA) is widely accepted as an effective method to detect incipient faults within power transformers. Gases such as hydrogen, methane, acetylene, ethylene and ethane are normally utilized to identify the transformer fault conditions. Several techniques have been developed to interpret DGA results such as the key gas method, Doernenburg, Rogers, IEC ratio-based methods, Duval Triangles, and the latest Duval Pentagon methods. However, each of these approaches depends on the experts' shared knowledge and experience rather than quantitative scientifi
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Ling, Jeeng Min, Ming Jong Lin, and Chao Tang Yu. "Transformer Fault Diagnosis with the Duval Triangle and Heuristic Techniques." Applied Mechanics and Materials 535 (February 2014): 157–61. http://dx.doi.org/10.4028/www.scientific.net/amm.535.157.

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Dissolved gas analysis (DGA) is an effective tool for detecting incipient faults in power transformers. The ANSI/IEEE C57.104 standards, the most popular guides for the interpretation of gases generated in oil-immersed transformers, and the IEC-Duval triangle method are integrated to develop the proposed power transformer fault diagnosis method. The key dissolved gases, including H2, CH4, C2H2, C2H4, C2H6, and total combustible gases (TCG), suggested by ASTM D3612s instruction for DGA is investigated. The tested data of the transformer oil were taken from the substations of Taiwan Power Compan
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Mendes Barbosa, Thales, Jeferson Goncalves Ferreira, Marco Antonio Ferreira Finocchio, and Wagner Endo. "Development of an Application Based on the Duval Triangle Method." IEEE Latin America Transactions 15, no. 8 (2017): 1439–46. http://dx.doi.org/10.1109/tla.2017.7994790.

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Book chapters on the topic "Duval triangle method"

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Dervieux, Alain, Loula Fézoui, Marie-Pierre Leclercq, and Bruno Stoufflet. "A general upwind formulation for compressible flows on multi-element meshes." In Numerical Methods for Fluid Dynamics. Oxford University PressOxford, 1994. http://dx.doi.org/10.1093/oso/9780198536963.003.0017.

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Abstract In the past few years much effort has been devoted to the design of numerical methods applying on unstructured meshes, in order to obtain more complicated methods that can be more easily used, due to mesh generality. This work has been concentrated on mono-element meshes (only one type of element) and particularly on triangles with P1 or Po degrees of freedom. Now, there are strong motivations for considering different elements and multi-element meshes in two possible directions. Firstly, combining triangles and quadrangles can be advantageous in particular for the capture of boundary
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"Hypercircle Bounds for Trefftz Elements. The Swansea Plate Triangle with Its Dual and Its Plane Stress Analog as an Example." In finite element methods. CRC Press, 2016. http://dx.doi.org/10.1201/b16924-38.

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Baumgartner, Michael. "Referencing Music-Specific Genres and Genre-Specific Music." In Metafilm Music in Jean-Luc Godard's Cinema. Oxford University PressNew York, 2022. http://dx.doi.org/10.1093/oso/9780190497156.003.0007.

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Abstract This chapter interprets metafilm music within a specific subcategory of quotation: musical referencing. Through referencing music-specific genres and genre-specific music, Godard explored in several of his 1960s films the music of the two popular Hollywood genres: musical comedy and film noir. In Une femme est une femme, he critically reflects on the Hollywood musical comedy by contradicting common Hollywood musical procedures. By alienating the familiar trope of Hollywood musical songs and dances, Godard accentuates the self-conscious artificiality of song-and-dance performances in m
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Conference papers on the topic "Duval triangle method"

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Babiker, Safia, Jouri Jadalhaq, Jana Jadalhaq, and Enfel Barkat. "Development of an Intelligent GUI with ChatGPT for Efficient and Accurate Transformer Fault Diagnosis Using DGA, Duval Triangle Method, and Machine Learning Automation." In 2025 22nd International Learning and Technology Conference (L&T). IEEE, 2025. https://doi.org/10.1109/lt64002.2025.10941322.

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Spremić, Siniša. "NOVE GRANICE UNAPREĐENOG TROUGLA ZA ANALIZU GASOVA RASTVORENIH U ULJU SA PRIMERIMA KVAROVA." In 36. Savetovanja CIGRE Srbija 2023 Fleksibilnost elektroenergetskog sistema. Srpski nacionalni komitet Međunarodnog saveta za velike električne mreže CIGRE Srbija, 2023. http://dx.doi.org/10.46793/cigre36.0135s.

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For many years, various methods have been used for the dissolved gas in oil analysis: Dernenburg, Rogers relations, MSS (Mueller, Schliesinger and Soldner), Duval triangles, Duval pentagons, Universal triangle, Key gas, Logarithmic nomograph, IEC relations, Gas pattern analysis method, Japan ETRA diagnostic diagram, Heptagon... Basically most methods deal with single or pure faults. The Duval Triangle has had significant changes in the boundaries between all areas with the appearance of areas of multiple faults of electrical discharge and overheating (DT) in the existing Duval Triangle 1. A ne
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Akbari, A., A. Setayeshmehr, H. Borsi, and E. Gockenbach. "A Software Implementation of the Duval Triangle Method." In 2008 IEEE International Symposium on Electrical Insulation. IEEE, 2008. http://dx.doi.org/10.1109/elinsl.2008.4570294.

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Barbosa, Thales Mendes, Marco Antonio Ferreira Finocchio, Jeferson Goncalves Ferreira, and Wagner Endo. "Development of software based of the Duval Triangle method." In 2016 12th IEEE International Conference on Industry Applications (INDUSCON). IEEE, 2016. http://dx.doi.org/10.1109/induscon.2016.7874531.

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Shinoda, Junichi, Olga Egorova, Haozhi Qu, and Ichiro Hagiwara. "Characteristic Topology Method for Quadrilateral Mesh Without Self-Intersection of Dual Cycles." In ASME 2002 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2002. http://dx.doi.org/10.1115/detc2002/cie-34470.

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The Dual Cycle Elimination method was proposed by Mu¨ller-Hannemann for hexahedral mesh generation. The method begins with a surface quadrilateral mesh whose dual cycles have no self-intersections and, after the elimination of dual cycles, a hexahedral mesh is generated while tracing back the reverse order of eliminations and supplementing hexahedrons inside the object step by step. This paper presents the Characteristic Topology Method as a means to prescribe a quadrilateral surface mesh that can be initial data for further hexahedral mesh generation. The goal of this method is to stress the
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Hwang, Seon-Ik, Jun-Hyung Jung, and Jang-Mok Kim. "Opposite Triangle Carrier Method for Common-Mode Voltage Reduction in Dual Three-Phase Motor Drive." In 2020 IEEE 9th International Power Electronics and Motion Control Conference (IPEMC2020-ECCE Asia). IEEE, 2020. http://dx.doi.org/10.1109/ipemc-ecceasia48364.2020.9367658.

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