Results 31 to 40 of about 3,816 (209)

Influence of Oil Status on Membrane-Based Gas–Oil Separation in DGA

open access: yesSensors, 2022
Gas–oil separation by membrane stands for a promising technique in dissolved gas analysis (DGA). Since the accuracy of DGA relies on the results of gas–oil separation to a great extent, it is necessary to study the influence factor of membrane for better
Tunan Chen   +4 more
doaj   +1 more source

Selecting appropriate machine learning classifiers for DGA diagnosis [PDF]

open access: yes, 2018
Dissolved gas analysis (DGA) is a common method of assessing transformer health. There are a number of machine learning classifiers reported to give a high accuracy on specific datasets, such as Artificial Neural Networks or Support Vector Machines. When
Aizpurua Unanue, Jose Ignacio   +7 more
core   +1 more source

Gas and optical sensing technology for the field assessment of transformer oil [PDF]

open access: yes, 2010
Oil testing has found widespread use in assessing the quality of the insulation system of a transformer. Techniques such as Dissolved Gas Analysis (DGA) have been proven to be reliable in this task, but are expensive, laborious and time consuming.
Abeyratne, Udantha   +2 more
core   +1 more source

Power Transformer Fault Prediction using Naive Bayes and Decision tree based on Dissolved Gas Analysis

open access: yesENP Engineering Science Journal, 2022
Power transformers are the basic elements of the power grid, which is directly related to the reliability of the electrical system. Many techniques were used to prevent power transformer failures, but the Dissolved Gas Analysis (DGA) remains the most ...
Yassine Mahamdi   +3 more
doaj   +1 more source

Fault diagnosis of transformer using association rule mining and knowledge base [PDF]

open access: yes, 2010
Association rule mining makes interesting associations and/or correlations among large sets of data. Those associations can be refined as decision rules to be used and stored in a knowledge base system.
Lu, J, Zhang, G, Zhang, T
core   +1 more source

Dissolved Gas Analysis Equipment for Online Monitoring of Transformer Oil: A Review

open access: yesSensors, 2019
Power transformers are the most important assets of electric power substations. The reliability in the operation of electric power transmission and distribution is due to the correct operation and maintenance of power transformers.
Sergio Bustamante   +5 more
doaj   +1 more source

Power transformer dissolved gas analysis through Bayesian networks and hypothesis testing [PDF]

open access: yes, 2018
Accurate diagnosis of power transformers is critical for the reliable and cost-effective operation of the power grid. Presently there are a range of methods and analytical models for transformer fault diagnosis based on dissolved gas analysis.
Aizpurua, Jose Ignacio   +7 more
core   +1 more source

Diagnosis Kondisi Transformator Berbasis Analisis Gas Terlarut Menggunakan Metode Sistem Pakar Fuzzy

open access: yesJurnal EECCIS (Electrics, Electronics, Communications, Controls, Informatics, Systems), 2014
Dissolved gas analysis of transformer oil is one of the most effective ways to determine the transformer condition. Currently, there are many interpretation techniques that have been used in data processing of dissolved gas analysis results. However, all
Gatut Yulisusianto   +2 more
doaj   +1 more source

Predicting Missing Value Data on IEC TC10 Datasets for Dissolved Gas Analysis using Tertius Algorithm

open access: yesJournal of Applied Informatics and Computing, 2023
IEC TC10 is the most widely used Dissolved Gas Analysis (DGA) measurement dataset nowadays. Many DGA-based studies have been carried out using conventional methods and methods based on Artificial Intelligence Techniques (AITs).
Noper Ardi   +2 more
doaj   +1 more source

Power Transformer Interruption Analysis Based on Dissolved Gas Analysis (DGA) using Artificial Neural Network

open access: yesIOP Conference Series: Materials Science and Engineering, 2018
Abstract The power transformer is an important component in the power system, as it is directly related to the reliability of the electric power system operation. Therefore, the diagnosis of disturbances in power transformers is important for device safety as well as electrical system stability.
A Muthi, S Sumarto, W S Saputra
openaire   +1 more source

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