Results 21 to 30 of about 727 (167)
Conventional Dissolved Gases Analysis in Power Transformers: Review
Energies, 2023 Transformers insulated with mineral oil tend to form gases, which might be caused by system faults or extended use. Based on an evaluation of the main failure analysis techniques using combustible gases, this study reviewed the conventional techniques ...
Alcebíades Rangel Bessa +3 more
doaj +1 more source
Angewandte Chemie, EarlyView.This work focuses on how to improve the selectivity and activity of electrocatalytic CO2 reduction to C3+ products, by the integration of electrocatalyst and electrolyte co‐design. We summarize key C3+ formation mechanisms and provide a comprehensive reaction network through thermodynamic analysis.
Ling Chen, Damien Voiry, Yan Jiao
wiley +2 more sources
Energies, 2020 In determining the severity of power transformer faults, several approaches have been previously proposed; however, most published studies do not accommodate gas level, gas rate, and Dissolved Gas Analysis (DGA) interpretation in a single approach.
Rahman Azis Prasojo +4 more
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Fuzzy Algorithm for Power Transformer Diagnostics
Advances in Fuzzy Systems, 2013 Dissolved gas analysis (DGA) of transformer oil has been one of the most reliable techniques to detect the incipient faults. Many conventional DGA methods have been developed to interpret DGA results obtained from gas chromatography.
Nitin K. Dhote, Jagdish B. Helonde
doaj +1 more source
Dissolved Gas Analysis (DGA) of natural ester oils under arcing faults
Journal of Fundamental and Applied Sciences, 2018 No Abstract.
Hamid, M.H.A. +7 more
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Influence of Oil Status on Membrane-Based Gas–Oil Separation in DGA
Sensors, 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
ENP 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
Dissolved Gas Analysis Equipment for Online Monitoring of Transformer Oil: A Review
Sensors, 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
Diagnosis Kondisi Transformator Berbasis Analisis Gas Terlarut Menggunakan Metode Sistem Pakar Fuzzy
Jurnal 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
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IOP 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