Results 151 to 160 of about 25,394,445 (190)

Practical Aspects of ¹⁶¹Tb Production. [PDF]

Pharmaceuticals (Basel)
Skálová M, Janská T, Štíbr M, Vlk M, Šoltés J, Vinš M, Hassfjell S, Muller J, Kozempel J.   +8 more
europepmc   +1 more source

Neural networks and particle swarm for transformer oil diagnosis by dissolved gas analysis. [PDF]

Sci Rep
Guerbas F, Benmahamed Y, Teguar Y, Dahmani RA, Teguar M, Ali E, Bajaj M, Dost Mohammadi SA, Ghoneim SSM.   +8 more
europepmc   +1 more source

Machine learning based multi-method interpretation to enhance dissolved gas analysis for power transformer fault diagnosis. [PDF]

Heliyon
Suwarno, Sutikno H, Prasojo RA, Abu-Siada A.   +3 more
europepmc   +1 more source

Analysis of the Energy Efficiency of Gas Extraction from Lake Kivu. [PDF]

ACS Omega
Sadeghi M, Hassanzadeh H.
europepmc   +1 more source

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Dissolved Gas Analysis (DGA) of Thermally Aged Blended Transformer Oil

2020 IEEE Conference on Electrical Insulation and Dielectric Phenomena (CEIDP), 2020
Vegetable based ester oils (VOs) are potential substitute of mineral insulating oils (MOs) in transformers due to their enhanced dielectric properties and better biodegradability. Retro filling of operating transformers originally filled with MO by VO is a real possibility, resulting to a mixture of VO and MO, known as the blended oils (BOs).
Niharika Baruah, Manas Chakraborty, Sisir Kumar Nayak   +2 more
exaly   +2 more sources

Dissolved Gas Analysis (DGA) for Diagnosis of Fault in Oil-Immersed Power Transformers : A Case Study

2020 4rd International Conference on Electrical, Telecommunication and Computer Engineering (ELTICOM), 2020
In an electric power system, a power transformer is one of the most critical equipment and cannot be separated from possible abnormal conditions due to fault. Dissolved Gas Analysis (DGA) is a reliable technique for detecting the presence of a fault condition that just occurred in oil immersed transformer.
H. Syafruddin, Haryoto Prasetyo Nugroho
exaly   +3 more sources

Fault Gas Generation in Ester Based Transformer Fluids and Dissolved Gas Analysis (DGA)

2008 International Conference on Condition Monitoring and Diagnosis, 2008
Environmental concern, safety and sustainability of oil supply are the driving forces behind research into alternative dielectric fluids to mineral oil. Natural and synthetic esters, as the alternative fluids, need to be assessed under thermal and electrical fault conditions, and their performance and likely impact on the established diagnostic ...
Ian Cotton, Zhongdong Wang
exaly   +3 more sources

Proposals for an Improvement in Transformer Diagnosis Using Dissolved Gas Analysis (DGA)

IEEE Electrical Insulation Magazine, 1995
The diagnosis of oil-immersed transformers using the dissolved gas analysis (DGA) technique has been well accepted and widely used. IEC Publication 599 touches on the diagnosis of faults involving paper insulation based on the ratio of CO/sub 2//CO. It states that a fault involving paper insulation is probable when the CO/sub 2//CO ratio is 3 or lower;
H. Kan, T. Miyamoto
exaly   +2 more sources

Understanding Dissolved Gas Analysis (DGA) Techniques and Interpretations

2016 IEEE/PES Transmission and Distribution Conference and Exposition (T&D), 2016
The use of Dissolved Gas Analysis (DGA) as a method for determining the types of pending or occurring faults within power transformers has been in practice for many years. It has been proven that the generation of certain gases within a transformer is an excellent indicator that a failure is pending. DGA techniques have become so sensitive and accurate
exaly   +2 more sources