Methods For Partial Discharge Measurements
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Partial Discharges Pd
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Author : Norasage Pattanadech
language : en
Publisher: John Wiley & Sons
Release Date : 2023-07-31
Partial Discharges Pd written by Norasage Pattanadech and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-07-31 with Technology & Engineering categories.
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.
Practical Partial Discharge Measurement On Electrical Equipment
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Author : Greg C. Stone
language : en
Publisher: John Wiley & Sons
Release Date : 2023-10-03
Practical Partial Discharge Measurement On Electrical Equipment written by Greg C. Stone and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-10-03 with Technology & Engineering categories.
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.
Methods For Partial Discharge Measurements
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Author :
language : en
Publisher:
Release Date : 1982
Methods For Partial Discharge Measurements written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1982 with Standardization categories.
Calibration Methods For Reproducible And Comparable Electromagnetic Partial Discharge Measurements In Power Transformers
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Author : Martin Siegel
language : en
Publisher: BoD – Books on Demand
Release Date : 2020-11-20
Calibration Methods For Reproducible And Comparable Electromagnetic Partial Discharge Measurements In Power Transformers written by Martin Siegel and has been published by BoD – Books on Demand this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-11-20 with Technology & Engineering categories.
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.
High Voltage Test Techniques
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Author :
language : en
Publisher:
Release Date : 2015
High Voltage Test Techniques written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015 with High voltages categories.
Standardized Testing Procedures And Developments In Partial Discharge Measurement
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Author : R. Bartnikas
language : en
Publisher:
Release Date : 2000
Standardized Testing Procedures And Developments In Partial Discharge Measurement written by R. Bartnikas and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Apparent charge transfer categories.
A comparison of the various standardized methods of partial discharge detection and measurement on electrical components, apparatus and cables indicates that, for the most part, the methods are more concerned with the detection of the presence of partial discharges rather than the determination of arbitrary discharge energy thresholds that may induce degradation and eventual breakdown of electrical insulating systems. Particular attention is given to IEEE and IEC partial discharge measurement standards and their relation and similarity to the ASTM standard. The ASTM test method is shown to constitute the basis for most other standards and existing measurement techniques, with the exception of those on rotating machines and compressed gas cables where higher frequency methods are utilized. A discussion is presented on certain advanced topics, dealing with partial discharge pulse-height and discharge epoch distribution analysis and the associated digital measurement techniques, none of which have yet attained any standardization status. In addition, a number of partial discharge site location techniques, which may have some potential for standardization, are described.
Partial Discharge Detection In High Voltage Equipment
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Author : F. H. Kreuger
language : en
Publisher: Butterworth-Heinemann
Release Date : 1989
Partial Discharge Detection In High Voltage Equipment written by F. H. Kreuger and has been published by Butterworth-Heinemann this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989 with Technology & Engineering categories.
A review of current knowledge of electrical discharges that do not completely bridge the electrodes. Discharge detection, since 1945 and the use of new high voltage dielectrics, has grown into an indispensable tool for the evaluation of modern insulation. Topics covered include the behavior, detection and measurement of discharges, the choice of detection method and procedure, the location of discharges, and discharge detection in practice. Acidic paper. Annotation copyrighted by Book News, Inc., Portland, OR
High Voltage Test Techniques Partial Discharge Measurements
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Author : British Standards Institute Staff
language : en
Publisher:
Release Date : 2001-08-15
High Voltage Test Techniques Partial Discharge Measurements written by British Standards Institute Staff and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001-08-15 with categories.
Partial discharges, Electric discharges, Electrical measurement, Electrical testing, High-voltage tests, Voltage measurement, Electrical equipment, Electrical components, Noise (spurious signals), Radio disturbances, Electric cables, Windings, Circuits
Electrical Test Methods For Electric Cables
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Author :
language : en
Publisher:
Release Date : 2015
Electrical Test Methods For Electric Cables written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015 with Electric cables categories.
Measurement Of Partial Discharges In Power Transformers Using Electromagnetic Signals
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Author : Sebastian Coenen
language : en
Publisher: BoD – Books on Demand
Release Date : 2012-08-17
Measurement Of Partial Discharges In Power Transformers Using Electromagnetic Signals written by Sebastian Coenen and has been published by BoD – Books on Demand this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-08-17 with Technology & Engineering categories.
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.