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Detection And Location Of Partial Discharges In Power Transformers Using Acoustic And Electromagnetic Signals
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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.
Book Synopsis Detection and Location of Partial Discharges in Power Transformers Using Acoustic and Electromagnetic Signals by : Sacha M. Markalous
Download or read book Detection and Location of Partial Discharges in Power Transformers Using Acoustic and Electromagnetic Signals written by Sacha M. Markalous and published by . This book was released on 2006 with total page 128 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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.
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
Book Synopsis Electromagnetic Time Reversal by : Farhad Rachidi
Download or read book Electromagnetic Time Reversal written by Farhad Rachidi and published by John Wiley & Sons. This book was released on 2017-01-04 with total page 302 pages. Available in PDF, EPUB and Kindle. Book excerpt: The aim of this book is to familiarize the reader with the concept of electromagnetic time reversal, and introduce up-to-date applications of the concept found in the areas of electromagnetic compatibility and power systems. It is original in its approach to describing propagation and transient issues in power networks and power line communication, and is the result of the three main editors' pioneering research in the area.
Book Synopsis Detection of Corona Discharge in Electric Networks by : Yevgen Sokol
Download or read book Detection of Corona Discharge in Electric Networks written by Yevgen Sokol and published by Springer Nature. This book was released on 2023-11-14 with total page 238 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book is devoted to the solution of the problem of determining the presence of corona discharge on electrical equipment with acoustic radiation. It is shown that corona discharge leads not only to irreversible losses of electrical energy, but also interferes with the transmission of high-frequency signals, deteriorates insulating elements, can become a source of conditions for the occurrence of a destructive arc discharge and is one of the factors of changing the continuity of the electrical system as a whole. The book describes the processes in a corona discharge that lead to the occurrence of acoustic waves. The authors analyzed acoustic radiation from a corona discharge reproduced in laboratory conditions. The received acoustic signals were processed by Fourier transform. Thus, the features of the spectral function, which belong specifically to the corona discharge in electrical networks with industrial frequency current, were determined. Based on the inverse Fourier transform, a simplified model of the acoustic radiation of the corona discharge was constructed. The authors proposed a method for detecting the presence of a corona discharge based on the spectral characteristics of acoustic radiation. Techniques were developed to determine the presence of a corona discharge for the creation of stationary and mobile devices. The advantages of the method of detecting the presence of corona discharge by the acoustic spectrum are shown. The method makes it possible to determine the presence of a corona discharge remotely, even out of direct sight, regardless of the time of day and regardless of the season. The book states that determining the presence of a corona discharge is not enough, it is still necessary to determine its location. The method of finding the coordinates of the corona discharge as a source of sound was described. Methods of searching for corona discharge coordinates with a fixed scanning device and a moving scanning device are proposed. A UAV is proposed as a mobile platform for the scanning system. The influence of the Doppler effect on acoustic measurements when the UAV speed changes was taken into account. The authors have shown that the use of coronal discharge detection with UAVs will not only enable the prevention of coronal discharge, but also increase the frequency of surface inspections. This will allow timely measures to be taken to improve the reliability of the power system operation. The book is intended for the researchers, postgraduate students and students specialized in theory and calculations of electrical systems.
Book Synopsis 8th International Conference on Computing, Control and Industrial Engineering (CCIE2024) by : Yuriy S. Shmaliy
Download or read book 8th International Conference on Computing, Control and Industrial Engineering (CCIE2024) written by Yuriy S. Shmaliy and published by Springer Nature. This book was released on with total page 605 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis 7th International Conference on Computing, Control and Industrial Engineering (CCIE 2023) by : Yuriy S. Shmaliy
Download or read book 7th International Conference on Computing, Control and Industrial Engineering (CCIE 2023) written by Yuriy S. Shmaliy and published by Springer Nature. This book was released on 2023-07-24 with total page 1060 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book collects selected aspects of recent advances and experiences, emerging technology trends that have positively impacted our world from operators, authorities, and associations from CCIE 2022, to help address the world’s advanced computing, control technology, information technology, artificial intelligence, machine learning, deep learning, and neural networks. Meanwhile, the topics included in the proceedings have high research value and present current insights, developments, and trends in computing, control, and industrial engineering.
Book Synopsis Advanced Anomaly Detection Technologies and Applications in Energy Systems by : Tinghui Ouyang
Download or read book Advanced Anomaly Detection Technologies and Applications in Energy Systems written by Tinghui Ouyang and published by Frontiers Media SA. This book was released on 2022-10-14 with total page 628 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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.
Book Synopsis Networked Control Systems for Connected and Automated Vehicles by : Alexander Guda
Download or read book Networked Control Systems for Connected and Automated Vehicles written by Alexander Guda and published by Springer Nature. This book was released on 2022-11-15 with total page 2004 pages. Available in PDF, EPUB and Kindle. Book excerpt: Control of large-scale distributed energy systems over communication networks is an important topic with many application domains. The book presents novel concepts of distributed control for networked and cyber-physical systems (CPS), such as smart industrial production lines, smart energy grids, and autonomous vehicular systems. It focuses on new solutions in managing data and connectivity to support connected and automated vehicles (CAV). The book compiles original research papers presented at the conference “Networked Control Systems for Connected and Automated Vehicles” (Russia). The latest connected and automated vehicle technologies for next generation autonomous vehicles are presented. The book sets new goals for the standardization of the scientific results obtained and the advancement to the level of full autonomy and full self-driving (FSD). The book presents the latest research in artificial intelligence, assessing virtual environments, deep learning systems, and sensor fusion for automated vehicles. Particular attention is paid to new safety standards, safety and security systems, and control of epidemic spreading over networks. The issues of building modern transport infrastructure facilities are also discussed in the articles presented in this book. The book is of considerable interest to scientists, researchers, and graduate students in the field of transport systems, as well as for managers and employees of companies using or producing equipment for these systems.
Book Synopsis Optimization Methods Applied to Power Systems Ⅱ by : Francisco G. Montoya
Download or read book Optimization Methods Applied to Power Systems Ⅱ written by Francisco G. Montoya and published by MDPI. This book was released on 2021-03-16 with total page 350 pages. Available in PDF, EPUB and Kindle. Book excerpt: Electrical power systems are complex networks that include a set of electrical components that allow distributing the electricity generated in the conventional and renewable power plants to distribution systems so it can be received by final consumers (businesses and homes). In practice, power system management requires solving different design, operation, and control problems. Bearing in mind that computers are used to solve these complex optimization problems, this book includes some recent contributions to this field that cover a large variety of problems. More specifically, the book includes contributions about topics such as controllers for the frequency response of microgrids, post-contingency overflow analysis, line overloads after line and generation contingences, power quality disturbances, earthing system touch voltages, security-constrained optimal power flow, voltage regulation planning, intermittent generation in power systems, location of partial discharge source in gas-insulated switchgear, electric vehicle charging stations, optimal power flow with photovoltaic generation, hydroelectric plant location selection, cold-thermal-electric integrated energy systems, high-efficiency resonant devices for microwave power generation, security-constrained unit commitment, and economic dispatch problems.
Book Synopsis Partial Discharges (PD) by : Norasage Pattanadech
Download or read book Partial Discharges (PD) written by Norasage Pattanadech and published by John Wiley & Sons. This book was released on 2023-07-31 with total page 341 pages. Available in PDF, EPUB and Kindle. Book excerpt: PARTIAL DISCHARGES (PD) — DETECTION, IDENTIFICATION AND LOCALIZATION Explore state-of-the-art partial discharge measurement techniques In Partial Discharges (PD) — Detection, Identification and Localization, a team of distinguished electrical engineers delivers a comprehensive treatment of the behavior, modeling, measurement, monitoring, localization, and evaluation of partial discharges. It includes coverage of all major advancements in the field that have occurred over the last few decades. It also discusses partial discharge phenomena, detection methods, and strategies for analyzing and processing collected data. Mechanisms of insulation failure are explored, as is the denoising of partial discharge measurement data and the localization of partial discharge in large, high-voltage equipment. Non-electric principles and procedures are discussed, and the book offers a variety of tables, figures, and photographs to illustrate the concepts discussed within. Partial Discharges(PD) also provides: A thorough introduction to the physical behavior of partial discharges, including their causes and classification Comprehensive modeling of partial discharge behavior, including classical and dipole discharges Practical discussions of the measurement of partial discharges, including the electrical method, partial discharge decoupling, and pre- and post-processing of partial discharges In-depth examinations of the monitoring of partial discharge behavior, including methods and realization Perfect for electrical engineers engaged in electrical power engineering, Partial Discharges (PD) will also earn a place in the libraries of research and development specialists employed in the manufacturing, quality testing and operation of electrical systems.
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.
Book Synopsis Acoustic Emission by : Wojciech Sikorski
Download or read book Acoustic Emission written by Wojciech Sikorski and published by BoD – Books on Demand. This book was released on 2012-03-02 with total page 412 pages. Available in PDF, EPUB and Kindle. Book excerpt: Acoustic emission (AE) is one of the most important non-destructive testing (NDT) methods for materials, constructions and machines. Acoustic emission is defined as the transient elastic energy that is spontaneously released when materials undergo deformation, fracture, or both. This interdisciplinary book consists of 17 chapters, which widely discuss the most important applications of AE method as machinery and civil structures condition assessment, fatigue and fracture materials research, detection of material defects and deformations, diagnostics of cutting tools and machine cutting process, monitoring of stress and ageing in materials, research, chemical reactions and phase transitions research, and earthquake prediction.
Book Synopsis Proceedings of PURPLE MOUNTAIN FORUM 2019-International Forum on Smart Grid Protection and Control by : Yusheng Xue
Download or read book Proceedings of PURPLE MOUNTAIN FORUM 2019-International Forum on Smart Grid Protection and Control written by Yusheng Xue and published by Springer. This book was released on 2019-08-08 with total page 1020 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents original, peer-reviewed research papers from the 4th Purple Mountain Forum –International Forum on Smart Grid Protection and Control (PMF2019-SGPC), held in Nanjing, China on August 17–18, 2019. Addressing the latest research hotspots in the power industry, such as renewable energy integration, flexible interconnection of large scale power grids, integrated energy system, and cyber physical power systems, the papers share the latest research findings and practical application examples of the new theories, methodologies and algorithms in these areas. As such book a valuable reference for researchers, engineers, and university students.
Book Synopsis High-Voltage Test and Measuring Techniques by : Wolfgang Hauschild
Download or read book High-Voltage Test and Measuring Techniques written by Wolfgang Hauschild and published by Springer. This book was released on 2018-09-22 with total page 558 pages. Available in PDF, EPUB and Kindle. Book excerpt: The new edition of this book incorporates the recent remarkable changes in electric power generation, transmission and distribution. The consequences of the latest development to High Voltage (HV) test and measuring techniques result in new chapters on Partial Discharge measurements, Measurements of Dielectric Properties, and some new thoughts on the Shannon Theorem and Impuls current measurements. This standard reference of the international high-voltage community combines high voltage engineering with HV testing techniques and HV measuring methods. Based on long-term experience gained by the authors the book reflects the state of the art as well as the future trends in testing and diagnostics of HV equipment. It ensures a reliable generation, transmission and distribution of electrical energy. The book is intended not only for experts but also for students in electrical engineering and high-voltage engineering.
