Power Transformer Online Monitoring Using Electromagnetic Waves

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Power Transformer Online Monitoring Using Electromagnetic Waves

Author : Gevork B. Gharehpetian
Publisher : Academic Press
ISBN 13 : 0128228024
Total Pages : 338 pages
Book Rating : 4.1/5 (282 download)

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Book Synopsis Power Transformer Online Monitoring Using Electromagnetic Waves by : Gevork B. Gharehpetian

Download or read book Power Transformer Online Monitoring Using Electromagnetic Waves written by Gevork B. Gharehpetian and published by Academic Press. This book was released on 2023-02-09 with total page 338 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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

Measurement of Partial Discharges in Power Transformers using Electromagnetic Signals

Author : Sebastian Coenen
Publisher : BoD – Books on Demand
ISBN 13 : 3844896139
Total Pages : 162 pages
Book Rating : 4.8/5 (448 download)

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Book Synopsis Measurement of Partial Discharges in Power Transformers using Electromagnetic Signals by : Sebastian Coenen

Download or read book Measurement of Partial Discharges in Power Transformers using Electromagnetic Signals written by Sebastian Coenen and published by BoD – Books on Demand. This book was released on 2012-08-17 with total page 162 pages. Available in PDF, EPUB and Kindle. Book excerpt: Partial discharges within power transformers emit electromagnetic waves. The current thesis aims to provide fundamental knowledge about measuring and interpretation of the electromagnetic signals. Investigations in laboratory are confirmed by several case studies. The applicability using electromagnetic signals for partial discharge measurements on transformer in the field is demonstrated under real test conditions.

Calibration Methods for Reproducible and Comparable Electromagnetic Partial Discharge Measurements in Power Transformers

Author : Martin Siegel
Publisher : BoD – Books on Demand
ISBN 13 : 3752628189
Total Pages : 130 pages
Book Rating : 4.7/5 (526 download)

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Book Synopsis Calibration Methods for Reproducible and Comparable Electromagnetic Partial Discharge Measurements in Power Transformers by : Martin Siegel

Download or read book Calibration Methods for Reproducible and Comparable Electromagnetic Partial Discharge Measurements in Power Transformers written by Martin Siegel and published by BoD – Books on Demand. This book was released on 2020-11-20 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt: The reliability of electrical energy networks depends on the quality and availability of their electrical equipment, e.g., power transformers. Local failures inside their insulation can lead to breakdowns resulting in high outage and penalty costs. To prevent these destructive events, power transformers are tested for partial discharge (PD) activity in a routine test before shipment. Furthermore, PD activity can be evaluated as a diagnostic measurement on-site (on-line or off-line) or be constantly monitored during service using the ultra-high frequency (UHF) method. In this thesis, a calibration procedure is proposed for the UHF method used in power transformers, which is lacking so far. The calibration process is required to ensure both reproducibility and comparability of UHF measurements. Only a calibrated UHF measurement procedure can be deemed reliable and eventually be introduced to supplement in (site-)acceptance tests of power transformers. The proposed calibration method considers two factors: The influence of the UHF sensors' sensitivity and that of the UHF instrument characteristics, including accessories like cables, pre-amplifier, etc. The UHF instruments' influence is corrected by using a defined and invariable test signal as a reference for all recording devices comparable to the calibration method used in IEC 60270 for electrical PD measurement. The sensitivity of the UHF sensor is addressed by a characterization of UHF sensors using the antenna factor (AF) measured in a special reproducible setup, i.e., a GTEM cell. In this thesis, a self-built GTEM cell is presented, which is oil-filled to address the environmental conditions inside a transformer where the sensor will be used. With such a cell, influences on the AF of UHF sensors are investigated, and it is shown that sensor sensitivities measured in an air-filled cell can be corrected to the oil environment. A practical evaluation of the proposed calibration procedure is performed in a laboratory setup on a distribution transformer with different UHF instruments and sensors using artificial PD signals and real high voltage driven PD sources. Finally, this thesis identifies future research topics, which may be needed to improve the proposed UHF calibration procedure for power transformers and the UHF method in general.

Optical Sensing in Power Transformers

Author : Jun Jiang
Publisher : John Wiley & Sons
ISBN 13 : 1119765285
Total Pages : 256 pages
Book Rating : 4.1/5 (197 download)

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Book Synopsis Optical Sensing in Power Transformers by : Jun Jiang

Download or read book Optical Sensing in Power Transformers written by Jun Jiang and published by John Wiley & Sons. This book was released on 2020-12-14 with total page 256 pages. Available in PDF, EPUB and Kindle. Book excerpt: A cutting-edge, advanced level, exploration of optical sensing application in power transformers Optical Sensing in Power Transformers is filled with the critical information and knowledge on the optical techniques applied in power transformers, which are important and expensive components in the electric power system. Effective monitoring of systems has proven to decrease the transformer lifecycle cost and increase a high level of availability and reliability. It is commonly held that optical sensing techniques will play an increasingly significant role in online monitoring of power transformers. In this comprehensive text, the authors—noted experts on the topic—present a scholarly review of the various cutting-edge optical principles and methodologies adopted for online monitoring of power transformers. Grounded in the authors' extensive research, the book examines optical techniques and high-voltage equipment testing and provides the foundation for further application, prototype, and manufacturing. The book explores the principles, installation, operation, condition detection, monitoring, and fault diagnosis of power transformers. This important text: Provides a current exploration of optical sensing application in power transformers Examines the critical balance and pros and cons of cost and quality of various optical condition monitoring techniques Presents a wide selection of techniques with appropriate technical background Extends the vision of condition monitoring testing and analysis Treats condition monitoring testing and analysis tools together in a coherent framework Written for researchers, technical research and development personnel, manufacturers, and frontline engineers, Optical Sensing in Power Transformers offers an up-to-date review of the most recent developments of optical sensing application in power transformers.

Power Transformer Diagnostics, Monitoring and Design Features

Author : Issouf Fofana, Ph.D. ing. Chairholder
Publisher : MDPI
ISBN 13 : 3038974412
Total Pages : 255 pages
Book Rating : 4.0/5 (389 download)

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Book Synopsis Power Transformer Diagnostics, Monitoring and Design Features by : Issouf Fofana, Ph.D. ing. Chairholder

Download or read book Power Transformer Diagnostics, Monitoring and Design Features written by Issouf Fofana, Ph.D. ing. Chairholder and published by MDPI. This book was released on 2019-01-09 with total page 255 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a printed edition of the Special Issue "Power Transformer Diagnostics, Monitoring and Design Features" that was published in Energies

Optical Sensing in Power Transformers

Author : Jun Jiang
Publisher : John Wiley & Sons
ISBN 13 : 1119765293
Total Pages : 256 pages
Book Rating : 4.1/5 (197 download)

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Book Synopsis Optical Sensing in Power Transformers by : Jun Jiang

Download or read book Optical Sensing in Power Transformers written by Jun Jiang and published by John Wiley & Sons. This book was released on 2020-12-07 with total page 256 pages. Available in PDF, EPUB and Kindle. Book excerpt: A cutting-edge, advanced level, exploration of optical sensing application in power transformers Optical Sensing in Power Transformers is filled with the critical information and knowledge on the optical techniques applied in power transformers, which are important and expensive components in the electric power system. Effective monitoring of systems has proven to decrease the transformer lifecycle cost and increase a high level of availability and reliability. It is commonly held that optical sensing techniques will play an increasingly significant role in online monitoring of power transformers. In this comprehensive text, the authors—noted experts on the topic—present a scholarly review of the various cutting-edge optical principles and methodologies adopted for online monitoring of power transformers. Grounded in the authors’ extensive research, the book examines optical techniques and high-voltage equipment testing and provides the foundation for further application, prototype, and manufacturing. The book explores the principles, installation, operation, condition detection, monitoring, and fault diagnosis of power transformers. This important text; Provides a current exploration of optical sensing application in power transformers Examines the critical balance and pros and cons of cost and quality of various optical condition monitoring techniques Presents a wide selection of techniques with appropriate technical background Extends the vision of condition monitoring testing and analysis Treats condition monitoring testing and analysis tools together in a coherent framework Written for researchers, technical research and development personnel, manufacturers, and frontline engineers, Optical Sensing in Power Transformers offers an up-to-date review of the most recent developments of optical sensing application in power transformers.

Electromagnetic Transients in Transformer and Rotating Machine Windings

Author : Su, Charles Q.
Publisher : IGI Global
ISBN 13 : 1466619228
Total Pages : 587 pages
Book Rating : 4.4/5 (666 download)

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Book Synopsis Electromagnetic Transients in Transformer and Rotating Machine Windings by : Su, Charles Q.

Download or read book Electromagnetic Transients in Transformer and Rotating Machine Windings written by Su, Charles Q. and published by IGI Global. This book was released on 2012-07-31 with total page 587 pages. Available in PDF, EPUB and Kindle. Book excerpt: "This book explores relevant theoretical frameworks, the latest empirical research findings, and industry-approved techniques in this field of electromagnetic transient phenomena"--Provided by publisher.

Electromagnetic Analysis and Condition Monitoring of Synchronous Generators

Author : Hossein Ehya
Publisher : John Wiley & Sons
ISBN 13 : 1119636167
Total Pages : 708 pages
Book Rating : 4.1/5 (196 download)

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Book Synopsis Electromagnetic Analysis and Condition Monitoring of Synchronous Generators by : Hossein Ehya

Download or read book Electromagnetic Analysis and Condition Monitoring of Synchronous Generators written by Hossein Ehya and published by John Wiley & Sons. This book was released on 2022-12-06 with total page 708 pages. Available in PDF, EPUB and Kindle. Book excerpt: Electromagnetic Analysis and Condition Monitoring of Synchronous Generators Discover an insightful and complete overview of electromagnetic analysis and fault diagnosis in large synchronous generators In Electromagnetic Analysis and Condition Monitoring of Synchronous Generators, a team of distinguished engineers delivers a comprehensive review of the electromagnetic analysis and fault diagnosis of synchronous generators. Beginning with an introduction to several types of synchronous machine structures, the authors move on to the most common faults found in synchronous generators and their impacts on performance. The book includes coverage of different modeling tools, including the finite element method, winding function, and magnetic equivalent circuit, as well as various types of health monitoring systems focusing on the magnetic field, voltage, current, shaft flux, and vibration. Finally, Electromagnetic Analysis and Condition Monitoring of Synchronous Generators covers signal processing tools that can help identify hidden patterns caused by faults and machine learning tools enabling automated condition monitoring. The book also includes: A thorough introduction to condition monitoring in electric machines and its importance to synchronous generators Comprehensive explorations of the classification of synchronous generators, including armature arrangement, machine construction, and applications Practical discussions of different types of electrical and mechanical faults in synchronous generators, including short circuit faults, eccentricity faults, misalignment, core-related faults, and broken damper bar faults In-depth examinations of the modeling of healthy and faulty synchronous generators, including analytical and numerical methods Perfect for engineers working in electrical machine analysis, maintenance, and fault detection, Electromagnetic Analysis and Condition Monitoring of Synchronous Generators is also an indispensable resource for professors and students in electrical power engineering.

Recent Trends in the Condition Monitoring of Transformers

Author : Sivaji Chakravorti
Publisher : Springer Science & Business Media
ISBN 13 : 1447155505
Total Pages : 289 pages
Book Rating : 4.4/5 (471 download)

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Book Synopsis Recent Trends in the Condition Monitoring of Transformers by : Sivaji Chakravorti

Download or read book Recent Trends in the Condition Monitoring of Transformers written by Sivaji Chakravorti and published by Springer Science & Business Media. This book was released on 2013-10-21 with total page 289 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recent Trends in the Condition Monitoring of Transformers reflects the current interest in replacing traditional techniques used in power transformer condition monitoring with non-invasive measures such as polarization/depolarization current measurement, recovery voltage measurement, frequency domain spectroscopy and frequency response analysis. The book stresses the importance of scrutinizing the condition of transformer insulation which may fail under present day conditions of intensive use with the resulting degradation of dielectric properties causing functional failure of the transformer. The text shows the reader how to overcome the key challenges facing today’s maintenance policies, namely: The selection of appropriate techniques for dealing with each type of failure process accounting for the needs of plant owners, plant users and wider society; and Cost-efficiency and durability of effect. Many of the failure-management methods presented rely on the fact that most failures give warning when they are imminent. These potential failures give rise to identifiable physical conditions and the novel approaches described detect them so that action can be taken to avoid degeneration into full-blown functional failure. This “on-condition” maintenance means that equipment can be left in service as long as a specified set of performance standards continue to be met, avoiding the costly downtime imposed by routine and perhaps unnecessary maintenance but without risking equally expensive failure. Recent Trends in the Condition Monitoring of Transformers will be of considerable interest to both academic researchers in power systems and to engineers working in the power generation and distribution industry showing how new and more efficient methods of fault diagnosis and condition management can increase transformer efficiency and cut costs.

Advances in 3D Image and Graphics Representation, Analysis, Computing and Information Technology

Author : Roumen Kountchev
Publisher : Springer Nature
ISBN 13 : 9811538670
Total Pages : 512 pages
Book Rating : 4.8/5 (115 download)

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Book Synopsis Advances in 3D Image and Graphics Representation, Analysis, Computing and Information Technology by : Roumen Kountchev

Download or read book Advances in 3D Image and Graphics Representation, Analysis, Computing and Information Technology written by Roumen Kountchev and published by Springer Nature. This book was released on 2020-04-20 with total page 512 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book gathers selected papers presented at the conference “Advances in 3D Image and Graphics Representation, Analysis, Computing and Information Technology,” one of the first initiatives devoted to the problems of 3D imaging in all contemporary scientific and application areas. The aim of the conference was to establish a platform for experts to combine their efforts and share their ideas in the related areas in order to promote and accelerate future development. This second volume discusses algorithms and applications, focusing mainly on the following topics: 3D printing technologies; naked, dynamic and auxiliary 3D displays; VR/AR/MR devices; VR camera technologies; microprocessors for 3D data processing; advanced 3D computing systems; 3D data-storage technologies; 3D data networks and technologies; 3D data intelligent processing; 3D data cryptography and security; 3D visual quality estimation and measurement; and 3D decision support and information systems.

Application of Intelligent Systems in Multi-modal Information Analytics

Author : Vijayan Sugumaran
Publisher : Springer Nature
ISBN 13 : 3031054849
Total Pages : 1132 pages
Book Rating : 4.0/5 (31 download)

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Book Synopsis Application of Intelligent Systems in Multi-modal Information Analytics by : Vijayan Sugumaran

Download or read book Application of Intelligent Systems in Multi-modal Information Analytics written by Vijayan Sugumaran and published by Springer Nature. This book was released on 2022-06-13 with total page 1132 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides comprehensive coverage of the latest advances and trends in information technology, science and engineering. Specifically, it addresses a number of broad themes, including multi-modal informatics, data mining, agent-based and multi-agent systems for health and education informatics, which inspire the development of intelligent information technologies. The book covers a wide range of topics such as AI applications and innovations in health and education informatics; data and knowledge management; multi-modal application management; and web/social media mining for multi-modal informatics. Outlining promising future research directions, the book is a valuable resource for students, researchers and professionals and a useful reference guide for newcomers to the field. This book is a compilation of the papers presented in the 4th International Conference on Multi-modal Information Analytics, held online, on April 23, 2022.

Foundations and Frontiers in Computer, Communication and Electrical Engineering

Author : Aritra Acharyya
Publisher : CRC Press
ISBN 13 : 1315657910
Total Pages : 564 pages
Book Rating : 4.3/5 (156 download)

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Book Synopsis Foundations and Frontiers in Computer, Communication and Electrical Engineering by : Aritra Acharyya

Download or read book Foundations and Frontiers in Computer, Communication and Electrical Engineering written by Aritra Acharyya and published by CRC Press. This book was released on 2016-05-05 with total page 564 pages. Available in PDF, EPUB and Kindle. Book excerpt: The 3rd International Conference on Foundations and Frontiers in Computer, Communication and Electrical Engineering is a notable event which brings together academia, researchers, engineers and students in the fields of Electronics and Communication, Computer and Electrical Engineering making the conference a perfect platform to share experience, f

Proceedings of the 21st International Symposium on High Voltage Engineering

Author : Bálint Németh
Publisher : Springer Nature
ISBN 13 : 3030316769
Total Pages : 1569 pages
Book Rating : 4.0/5 (33 download)

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Book Synopsis Proceedings of the 21st International Symposium on High Voltage Engineering by : Bálint Németh

Download or read book Proceedings of the 21st International Symposium on High Voltage Engineering written by Bálint Németh and published by Springer Nature. This book was released on 2019-11-27 with total page 1569 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Quality Confirmation Tests for Power Transformer Insulation Systems

Author : Behrooz Vahidi
Publisher : Springer
ISBN 13 : 3030196933
Total Pages : 107 pages
Book Rating : 4.0/5 (31 download)

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Book Synopsis Quality Confirmation Tests for Power Transformer Insulation Systems by : Behrooz Vahidi

Download or read book Quality Confirmation Tests for Power Transformer Insulation Systems written by Behrooz Vahidi and published by Springer. This book was released on 2019-05-27 with total page 107 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book focuses on oil-paper insulation included in power transformers, especially for EHV and UHV transformers. The importance on insulation ever increased due to a growing voltage rating of transformers. Within the last decades, although research on the transformer insulation and diagnosis methods has advanced a lot, the insulation of HV transformers remained more or less unchanged. The book is divided into five chapters; the first and second chapters explain the basics of oil insulation, while the third chapter focuses on paper insulation. The final two chapters deal with the methods and outcome of testing both techniques. The primary target audience for this book is graduate students and power system engineers.

Practical Partial Discharge Measurement on Electrical Equipment

Author : Greg C. Stone
Publisher : John Wiley & Sons
ISBN 13 : 1119833337
Total Pages : 581 pages
Book Rating : 4.1/5 (198 download)

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Book Synopsis Practical Partial Discharge Measurement on Electrical Equipment by : Greg C. Stone

Download or read book Practical Partial Discharge Measurement on Electrical Equipment written by Greg C. Stone and published by John Wiley & Sons. This book was released on 2023-08-28 with total page 581 pages. Available in PDF, EPUB and Kindle. Book excerpt: Practical Partial Discharge Measurement on Electrical Equipment Accessible reference dealing with (partial discharge) PD measurement in all types of high voltage equipment using modern digital PD detectors Practical Partial Discharge Measurement on Electrical Equipment is a timely update in the field of partial discharges (PD), covering both holistic concepts and specific modern applications in one volume. The first half of the book educates the reader on what PD is and the general principles of how it is measured and interpreted. The second half of the book is similar to a handbook, with a chapter devoted to PD measurements in each type of high voltage (HV) equipment. These chapters contain specific information of the insulation system design, causes of PD in that equipment, off-line and on-line measurement methods, interpretation methods, and relevant standards. The work is authored by four well-known experts in the field of PD measurement who have published hundreds of technical papers on the subject and performed thousands of PD measurements on all the different types of HV equipment covered in the book. The authors have also had relationships with PD detector manufacturers, giving them key insights into test instruments and practical measurements. Sample topics covered in the work include: Physics of PD, discharge phenomena (contact sparking and vibration sparking), and an introduction to PD measurement (electrical, optical, acoustic, and chemical) Electrical PD detection (types of sensors), RF PD detection (antenna, TEV), and PD instrumentation and display Off-line and on-line PD measurements, general principles of PD interpretation, and laboratory PD testing of lumped test objects PD in different types of HV equipment (power cables, power transformers, air insulated metal-clad switchgear, rotating machines, gas-insulated switchgear, and more) For HV equipment OEMs, users of HV equipment, or employees of companies that provide PD testing services to clients, Practical Partial Discharge Measurement on Electrical Equipment is an essential reference to help understand general concepts about the topic and receive expert guidance during specific practical applications.

Measurement and Analysis of Overvoltages in Power Systems

Author : Jianming Li
Publisher : John Wiley & Sons
ISBN 13 : 1119128994
Total Pages : 357 pages
Book Rating : 4.1/5 (191 download)

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Book Synopsis Measurement and Analysis of Overvoltages in Power Systems by : Jianming Li

Download or read book Measurement and Analysis of Overvoltages in Power Systems written by Jianming Li and published by John Wiley & Sons. This book was released on 2018-05-03 with total page 357 pages. Available in PDF, EPUB and Kindle. Book excerpt: Measurement and Analysis of Overvoltages in Power Systems Jianming Li, Professor, State Grid Corporation, China A combination of theory and application, this book features practical tests and analytical techniques comprehensively with engineering practicality as its focus. Based on years of research and industry experience, the author introduces many scientific research methods such as overvoltage simulation studies, dynamic simulation experiment platform development and application, and overvoltage pattern recognition. Readers will get a good grounding in the various sources of overvoltages in power systems, methods in on-line measurements as well as explanations of overvoltage formation mechanisms and monitoring analysis methods. •Systematically examines sources, online measurements, analytical techniques, and simulations of overvoltages, with an emphasis on engineering practicality •Presents practical engineering examples analyzing overvoltages and improving system operation, based on field experiments and data analysis •Features overvoltage simulations and waveform analysis in transmission systems Measurement and Analysis of Overvoltages in Power Systems is intended as an all-in-one guide for engineers and researchers in power systems engineering. It can be used as a reference text for graduate students and lecturers of electrical engineering.

Power Transformer Condition Monitoring and Diagnosis

Author : Ahmed Abu-Siada
Publisher : Energy Engineering
ISBN 13 : 1785612549
Total Pages : 325 pages
Book Rating : 4.7/5 (856 download)

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Book Synopsis Power Transformer Condition Monitoring and Diagnosis by : Ahmed Abu-Siada

Download or read book Power Transformer Condition Monitoring and Diagnosis written by Ahmed Abu-Siada and published by Energy Engineering. This book was released on 2018-01-31 with total page 325 pages. Available in PDF, EPUB and Kindle. Book excerpt: This must-read book on power transformer monitoring will incorporate current power transformer condition monitoring techniques from principles to practice. Each chapter will cover the fundamentals and theory of the topic, convey techniques to measure relevant parameters, and assess or interpret the results. The book will include factory acceptance tests, receiving end pre-commissioning tests, and commissioning tests. It will also include the limitations and challenges, and approaches to overcome these limitations.