Objective Interpretation Of Frequency Response Analysis Of Power Transformers
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Objective Interpretation of Frequency Response Analysis of Power Transformers
Author: Mehran Tahir
language: en
Publisher: BoD – Books on Demand
Release Date: 2025-03-13
Frequency Response Analysis (FRA) is a powerful diagnostic tool that offers deep insights into transformer health, though its interpretation presents significant challenges. This book introduces advanced techniques and intelligent methodologies for assessing transformer winding distortion and deformation through FRA. Drawing on extensive industry experience and academic research, it explores various methods for evaluating transformer winding conditions and presents in-depth analyses of fault mechanisms and failure modes from real-world data on over 80 power transformers. The causes, symptoms, and consequences of component failures are identified, offering valuable insights into transformer health. An advanced transformer modeling method is introduced to improve fault simulations, which can also be used for overvoltage prediction and transient analysis. Real-world case studies offer practical guidelines for interpreting FRA measurements, contributing to more accurate diagnostics and informed decision-making regarding transformer maintenance and replacement. This comprehensive resource serves as a valuable reference for professionals and researchers aiming to improve transformer reliability and optimize power system performance.
Power Transformer Online Monitoring Using Electromagnetic Waves
Author: Gevork B. Gharehpetian
language: en
Publisher: Academic Press
Release Date: 2023-02-09
Power Transformer Online Monitoring using Electromagnetic Waves explores how to use electromagnetic wave technology and remote monitoring systems to predict and localize costly mechanical defects and partial discharge challenges in high voltage transformer windings. This innovative approach brings several potential benefits compared with conventional techniques such as frequency response analysis, including impermeability to ambient noise, and online implementation capability. This book reviews both fundamental and state-of-the-art information about all key aspects of condition monitoring using electromagnetic waves. It addresses the simulation of power transformers in CST environment while also explaining the theoretical background of boundary conditions used. Chapters review how to achieve practical online implementation, reliable diagnosis, asset management and remnant life estimation. Partial discharge detection is also discussed. - Discusses the advantages and disadvantages of the electromagnetic wave method in comparison with classical monitoring methods - Explores how to design and implement power transformer monitoring systems using electromagnetic waves - Investigates partial discharge detection and localization in addition to the partial discharge emission effects on defect detection
Proceedings of the 21st International Symposium on High Voltage Engineering
High voltage engineering is extremely important for the reliable design, safe manufacture and operation of electric devices, equipment and electric power systems. The 21st International Symposium on High Voltage Engineering, organized by the 90 years old Budapest School of High Voltage Engineering, provides an excellent forum to present results, advances and discussions among engineers, researchers and scientists, and share ideas, knowledge and expertise on high voltage engineering. The proceedings of the conference presents the state of the art technology of the field. The content is simultaneously aiming to help practicing engineers to be able to implement based on the papers and researchers to link and further develop ideas.