Conferences related to Dissolved Gas Analysis

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2023 Annual International Conference of the IEEE Engineering in Medicine & Biology Conference (EMBC)

The conference program will consist of plenary lectures, symposia, workshops and invitedsessions of the latest significant findings and developments in all the major fields of biomedical engineering.Submitted full papers will be peer reviewed. Accepted high quality papers will be presented in oral and poster sessions,will appear in the Conference Proceedings and will be indexed in PubMed/MEDLINE.


2020 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting

The joint meeting is intended to provide an international forum for the exchange of information on state of the art research in the area of antennas and propagation, electromagnetic engineering and radio science


2020 IEEE Power & Energy Society General Meeting (PESGM)

The Annual IEEE PES General Meeting will bring together over 2900 attendees for technical sessions, administrative sessions, super sessions, poster sessions, student programs, awards ceremonies, committee meetings, tutorials and more


2020 IEEE/PES Transmission and Distribution Conference and Exposition (T&D)

Bi-Annual IEEE PES T&D conference. Largest T&D conference in North America.


Oceans 2020 MTS/IEEE GULF COAST

To promote awareness, understanding, advancement and application of ocean engineering and marine technology. This includes all aspects of science, engineering, and technology that address research, development, and operations pertaining to all bodies of water. This includes the creation of new capabilities and technologies from concept design through prototypes, testing, and operational systems to sense, explore, understand, develop, use, and responsibly manage natural resources.

  • OCEANS 2021 San Diego

    Covering Oceanography as a whole - instrumentation, science, research, biology, subsea and surface vehicles, autonomous vehicles, AUV, ROV, manned submersibles, global climate, oceanography, oceanology, rivers, estuaries, aquatic life and biology, water purity, water treatment, sonar, mapping, charting, navigation, navigation safety, oil and gas, military, and commercial applications of the oceans, subsea mining, hot vents, adn more.

  • OCEANS 2018 MTS/IEEE Charleston

    Ocean, coastal, and atmospheric science and technology advances and applications

  • OCEANS 2017 - Anchorage

    Papers on ocean technology, exhibits from ocean equipment and service suppliers, student posters and student poster competition, tutorials on ocean technology, workshops and town meetings on policy and governmental process.

  • OCEANS 2016

    The Marine Technology Scociety and the Oceanic Engineering Society of the IEEE cosponor a joint annual conference and exposition on ocean science, engineering, and policy. The OCEANS conference covers four days. One day for tutorials and three for approx. 500 technical papers and 150 -200 exhibits.

  • OCEANS 2015

    The Marine Technology Scociety and the Oceanic Engineering Society of the IEEE cosponor a joint annual conference and exposition on ocean science, engineering, and policy. The OCEANS conference covers four days. One day for tutorials and three for approx. 450 technical papers and 150-200 exhibits.

  • OCEANS 2014

    The OCEANS conference covers four days. One day for tutorials and three for approx. 450 technical papers and 150-200 exhibits.

  • OCEANS 2013

    Three days of 8-10 tracks of technical sessions (400-450 papers) and concurent exhibition (150-250 exhibitors)

  • OCEANS 2012

    Ocean related technology. Tutorials and three days of technical sessions and exhibits. 8-12 parallel technical tracks.

  • OCEANS 2011

    The Marine Technology Society and the Oceanic Engineering Scociety of the IEEE cosponsor a joint annual conference and exposition on ocean science engineering, and policy.

  • OCEANS 2010

    The Marine Technology Society and the Oceanic Engineering Scociety of the IEEE cosponsor a joint annual conference and exposition on ocean science engineering, and policy.

  • OCEANS 2009

  • OCEANS 2008

    The Marine Technology Society (MTS) and the Oceanic Engineering Society (OES) of the Institute of Electrical and Electronic Engineers (IEEE) cosponsor a joint conference and exposition on ocean science, engineering, education, and policy. Held annually in the fall, it has become a focal point for the ocean and marine community to meet, learn, and exhibit products and services. The conference includes technical sessions, workshops, student poster sessions, job fairs, tutorials and a large exhibit.

  • OCEANS 2007

  • OCEANS 2006

  • OCEANS 2005

  • OCEANS 2004

  • OCEANS 2003

  • OCEANS 2002

  • OCEANS 2001

  • OCEANS 2000

  • OCEANS '99

  • OCEANS '98

  • OCEANS '97

  • OCEANS '96


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Periodicals related to Dissolved Gas Analysis

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Aerospace and Electronic Systems Magazine, IEEE

The IEEE Aerospace and Electronic Systems Magazine publishes articles concerned with the various aspects of systems for space, air, ocean, or ground environments.


Circuits and Systems for Video Technology, IEEE Transactions on

Video A/D and D/A, display technology, image analysis and processing, video signal characterization and representation, video compression techniques and signal processing, multidimensional filters and transforms, analog video signal processing, neural networks for video applications, nonlinear video signal processing, video storage and retrieval, computer vision, packet video, high-speed real-time circuits, VLSI architecture and implementation for video technology, multiprocessor systems--hardware and software-- ...


Dielectrics and Electrical Insulation, IEEE Transactions on

Electrical insulation common to the design and construction of components and equipment for use in electric and electronic circuits and distribution systems at all frequencies.


Electrical Insulation Magazine, IEEE

The magazine covers theory, analysis, design (computer-aided design), and practical implementation of circuits, and the application of circuit theoretic techniques to systems and to signal processing. Content is written for the spectrum of activities from basic scientific theory to industrial applications.


Electron Device Letters, IEEE

Publishes original and significant contributions relating to the theory, design, performance and reliability of electron devices, including optoelectronic devices, nanoscale devices, solid-state devices, integrated electronic devices, energy sources, power devices, displays, sensors, electro-mechanical devices, quantum devices and electron tubes.


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Most published Xplore authors for Dissolved Gas Analysis

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Xplore Articles related to Dissolved Gas Analysis

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IEEE Guide for the Use of Dissolved Gas Analysis Applied to Factory Temperature Rise Tests for the Evaluation of Mineral Oil-Immersed Transformers and Reactors

IEEE Std C57.130-2015, 2016

This guide is intended for the application of dissolved gas analysis (DGA) techniques on oil-immersed transformers and reactors applied during factory temperature rise tests. It contains recommended procedures for sampling, recommended actions based on interpretation of results, and a bibliography of related literature.


Dissolved Gas Analysis (DGA) of Arc Discharge Fault in Transformer Insulation Oils (Ester and Mineral Oils)

2018 IEEE Electrical Insulation Conference (EIC), 2018

Transformer insulation oil is an important liquid for insulating and cooling of transformers. For many years' mineral oil has been used for as an insulating liquid in high voltage transformer. Mineral oil has good dielectric properties, however, due to environmental problem; recently many researchers have been looking for an alternative insulating liquid. Biodegradable and environmentally friendly ester oils have attracted ...


Failure statistics and power transformer condition evaluation by dissolved gas analysis technique

2008 International Conference on Condition Monitoring and Diagnosis, 2008

Due to the degradation of power transformer under its normal and abnormal operating conditions, maintenance activities are vital to restore the condition. However, the preventive maintenance costs are now of primary concern. The scattering failure data are systematically recorded and analyzed to determine the critical component of power transformer. Two transformer models of rated voltage 115/22 kV and 230/115/22 kV ...


Interpretation of Dissolved Gas Analysis Using Dempster-Shafer's Theory of Evidence

2006 International Conference on Probabilistic Methods Applied to Power Systems, 2006

Dissolved gas analysis is a well-known technique to detect incipient faults of oil-immersed electrical equipment. Interpretation is usually difficult because there is no unique relationship between the identified gases and the type of fault. On the basis of IEC standards for the interpretation of dissolved gas analyses and Dempster-Shafer's theory of evidence a method to automatically determine the correct diagnosis ...


Field experience of transformer untanking to identify electrical faults and comparison with Dissolved Gas Analysis

2009 3rd International Conference on Energy and Environment (ICEE), 2009

Power transformer consists of components which are under consistent thermal and electrical stresses. The major component which degrades under these stresses is the paper insulation of the power transformer. The life of the transformer is determined by the condition of the paper insulation. The degradation of the paper insulation will be accelerated with the presence of electrical fault. Electrical fault ...


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Educational Resources on Dissolved Gas Analysis

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IEEE-USA E-Books

  • IEEE Guide for the Use of Dissolved Gas Analysis Applied to Factory Temperature Rise Tests for the Evaluation of Mineral Oil-Immersed Transformers and Reactors

    This guide is intended for the application of dissolved gas analysis (DGA) techniques on oil-immersed transformers and reactors applied during factory temperature rise tests. It contains recommended procedures for sampling, recommended actions based on interpretation of results, and a bibliography of related literature.

  • Dissolved Gas Analysis (DGA) of Arc Discharge Fault in Transformer Insulation Oils (Ester and Mineral Oils)

    Transformer insulation oil is an important liquid for insulating and cooling of transformers. For many years' mineral oil has been used for as an insulating liquid in high voltage transformer. Mineral oil has good dielectric properties, however, due to environmental problem; recently many researchers have been looking for an alternative insulating liquid. Biodegradable and environmentally friendly ester oils have attracted more attention in recent years. This paper presents the experimental results of electrical arc stress on dissolved gases of transformer insulating oils (PFAE, MIDEL 7131 and mineral oil). The generated dissolved gases in the sample oils were examined by dissolved gas analysis (DGA) techniques. The test device used for testing is acrylic tube with a high voltage copper electrode at the top and a ground aluminum electrode at the bottom immersed in the oil. The experimental results from dissolved gas analysis (DGA) indicated that arc fault produce large amounts of hydrogen (H2) and acetylene (C2H2) with small quantities of methane (CH4), ethylene (C2H4) and ethane (C2H6) for both oils. Acetylene (C2H2) gas is the highest combustible gas generated by arc discharge in both mineral and ester oils. Therefore, there is a possibility that the diagnosis of a transformer filled with ester oil can be done using dissolved gas analysis (DGA) method.

  • Failure statistics and power transformer condition evaluation by dissolved gas analysis technique

    Due to the degradation of power transformer under its normal and abnormal operating conditions, maintenance activities are vital to restore the condition. However, the preventive maintenance costs are now of primary concern. The scattering failure data are systematically recorded and analyzed to determine the critical component of power transformer. Two transformer models of rated voltage 115/22 kV and 230/115/22 kV have been chosen in this study. The determined critical component with high failure rate requires careful attention. The preventive measures can be setup from the known causes of failure. Then the procedure for power transformer condition evaluation is performed by analyzing the historical test result from the dissolved gas analysis (DGA) method. The transformer conditions are principally evaluated by the key gas method and then verified by the ratios and total combustible gas method. As a result, the aging pattern and trend of the power transformer deterioration can be determined.

  • Interpretation of Dissolved Gas Analysis Using Dempster-Shafer's Theory of Evidence

    Dissolved gas analysis is a well-known technique to detect incipient faults of oil-immersed electrical equipment. Interpretation is usually difficult because there is no unique relationship between the identified gases and the type of fault. On the basis of IEC standards for the interpretation of dissolved gas analyses and Dempster-Shafer's theory of evidence a method to automatically determine the correct diagnosis is presented. A Markov tree is used for modeling the relationship between the diagnoses and propagating evidence originating from the measured gas concentrations. Uncertainty arising from the measurement of the gas concentration is considered appropriately. The method is verified by calculating the diagnosis from authentic dissolved gas analyses of several power transformers and comparing the result to the true fault. Based on the extent of support for the calculated diagnosis necessary countermeasures are proposed

  • Field experience of transformer untanking to identify electrical faults and comparison with Dissolved Gas Analysis

    Power transformer consists of components which are under consistent thermal and electrical stresses. The major component which degrades under these stresses is the paper insulation of the power transformer. The life of the transformer is determined by the condition of the paper insulation. The degradation of the paper insulation will be accelerated with the presence of electrical fault. Electrical fault in power transformer can be categorized into two which are Partial Discharge (PD) and Arcing. A PD will eventually develop into arcing. Any electrical fault in the transformer can be detected by using Dissolved Gas Analysis technique. The DGA can be used to differentiate between the types of faults in the transformer. However, DGA alone is not conclusive in determining the electrical fault in the transformer. As a complement, acoustic partial discharge technique was used to detect the electrical fault in the transformer. In this paper, the detection of electrical fault in two units of 33/11 kV, 15 MVA transformers were done by using Dissolved Gas Analysis (DGA). Then, the acoustic partial discharge test was carried out to detect the activity and locate the source of the electrical fault. During the acoustic partial discharge testing, some electrical discharge signal was picked-up from On-Load Tap Changer (OLTC) tank. Then, the transformers were un-tanking for physical inspection. Based on the inspection done on two transformers, the DGA analysis methods were unable to detect the OLTC oil contamination in the main tank oil and it is very dependent on the transformer conservator tank design. The acoustic partial discharge technique proves to be a useful tool in detecting electrical discharges in the power transformer.

  • Dissolved gas analysis to identify faults and improve reliability in transformers using support vector machines

    Dissolved gas analysis (DGA) and its key-gas ratios (C<sub>2</sub>H<sub>2</sub>/C<sub>2</sub>H<sub>4</sub>, CH<sub>4</sub>/H<sub>2</sub>, C<sub>2</sub>H<sub>4</sub>/C<sub>2</sub>H<sub>6</sub>) are the most widely used fault diagnostic tests for transformers. This technique monitors the concentration of various gases in transformer oil and uses it to interpret the type of fault. In this study, support vector machines (SVM) is proposed to classify and predict electrical faults in transformers depending on the key- gas ratios concentrations. A dissolved gas analysis data obtained from published papers are used as a sample for the training and test set with a supervised machine learning from MATLAB software. Results indicate that SVM method can achieve good accuracy under the circumstance of small training data.

  • Dissolved gas analysis of faults in biodegradable oil transformer insulating systems

    This paper presents results of experimental tests performed on laboratory models of transformer windings immersed in bio-degradable oil. The investigations covered three common types of transformer faults: partial discharge (PD), arcing and overheating. Dissolved hydro-carbon gas products generated by these three fault types in bio-degradable oil are analyzed and compared with existing dissolved gas analysis (DGA) interpretation methods for mineral oil insulation. The PD and arcing tests were performed in small test cells using mineral and vegetable oils, with and without insulated pressboards. The overheating test was performed by heating the oils in the oven. At the end of each test, an oil sample was extracted for dissolved gas and moisture measurement. The results show that existing DGA interpretation techniques need to be modified if they are to be used for insulation assessment of bio-degradable oil.

  • Study of "code absence" in the IEC three-ratio method of dissolved gas analysis

    Most power transformers in the electrical power industry are oil filled, and insulation failure occurs when the oil-paper insulation system weakens to the extent that it can no longer support the high voltage connected to it. Dissolved gas analysis is a widely used method to detect incipient faults in oil-filled power transformers.

  • The duval pentagon-a new complementary tool for the interpretation of dissolved gas analysis in transformers

    Several methods are available for the interpretation of dissolved gas analysis (DGA) results in oil-filled electrical equipment. These methods use ratios of the five main hydrocarbon gases formed, namely H<sup>2</sup>, CH<sup>4</sup>, C<sup>2</sup>H<sup>6</sup>, C<sup>2</sup>H<sup>4</sup>, and C<sup>2</sup>H<sup>2</sup>, either 2-gas ratios, e.g., in IEEE [1] and IEC [2]; 3-gas ratios, in Duval Triangles 1 to 7 [3]; or 4-gas ratios in [4]. In this article a new method is presented using 5-gas ratios in a "pentagon" representation applicable to mineral oil-filled equipment. Carbon oxides CO and CO<sub>2</sub> are examined separately as in other methods.

  • Performance evaluation of dissolved gas analysis techniques against measurement errors

    Fault diagnosing power transformers based on dissolved gas analysis (DGA) has become an important and a significant tool. There are a number of techniques developed for DGA that are represented extensively in literature. In practical application of DGA, there is a degree of measurement errors in obtained data. These errors are produced from inaccuracy in measurement system, environmental impact, and human errors. In the present study, it is aimed to investigate the sensitivity of different DGA techniques against measurement errors. The considered DGA techniques are IEC Ratio, Duval Triangle, and Pentagon shape. A total number of 380 actual samples were obtained from the Egyptian Electricity Network as well as published reports. Measurement errors are modeled with various levels as a percentage of original data using a random function. The three different DGA techniques are applied for error data and the corresponding diagnostic accuracy is evaluated. The techniques are compared on two stages. The first stage includes the comparison for only main faults, thermal, arcing and partial discharge. The second stage compares the diagnostic accuracy for detailed faults, such as low thermal, medium thermal, high thermal, and so on. Based on the results, the most robust technique is adopted.



Standards related to Dissolved Gas Analysis

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Guide for interpretation of gasses generated in silicone-immersed transformers

This guide is intended to apply to silicone-immersed transformers in which the silicone fluid was the fluid supplied when the transformer was originally manufactured. This guide also addresses the following: a) The theory of combustible gas generation in a silicone-immersed transformer; b) Recommended procedures for sampling and analysis; c) The interpretation of Gas Analysis; d) Recommended actions based on the ...



Jobs related to Dissolved Gas Analysis

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