Corona Discharges

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Detection Of Corona Discharge In Electric Networks

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Author : Yevgen Sokol
language : en
Publisher: Springer Nature
Release Date : 2023-11-14

Detection Of Corona Discharge In Electric Networks written by Yevgen Sokol and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-11-14 with Technology & Engineering categories.

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.

Effects Of The Corona Discharge On Petroleum

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Author : Jay John Jakosky
language : en
Publisher:
Release Date : 1926

Effects Of The Corona Discharge On Petroleum written by Jay John Jakosky and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1926 with Corona (Electricity) categories.

Electrical Coronas

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Author : Leonard B. Loeb
language : en
Publisher: Univ of California Press
Release Date : 2022-07-15

Electrical Coronas written by Leonard B. Loeb and has been published by Univ of California Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-07-15 with Science categories.

This title is part of UC Press's Voices Revived program, which commemorates University of California Press’s mission to seek out and cultivate the brightest minds and give them voice, reach, and impact. Drawing on a backlist dating to 1893, Voices Revived makes high-quality, peer-reviewed scholarship accessible once again using print-on-demand technology. This title was originally published in 1965.

Pulsed Positive Corona Discharges

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Author : Yves Lodewijk Maria Creyghton
language : en
Publisher:
Release Date : 1994

Pulsed Positive Corona Discharges written by Yves Lodewijk Maria Creyghton and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with categories.

Radio Interference From Corona Discharges

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Author : Robert Leigh Tanner
language : en
Publisher:
Release Date : 1953

Radio Interference From Corona Discharges written by Robert Leigh Tanner and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1953 with Corona (Electricity) categories.

A Study Of Direct Current Corona Discharges In Gases And Liquids For Thin Film Deposition

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Author : Dion Savio Antao
language : en
Publisher:
Release Date : 2009

A Study Of Direct Current Corona Discharges In Gases And Liquids For Thin Film Deposition written by Dion Savio Antao and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with Glow discharges categories.

The applicability of DC corona discharges with their lower temperatures and uniformity was investigated for the deposition of thin films. The deposition was done at atmospheric pressure and room temperature, which lowers the facility cost as no vacuum or low pressure facilities are required and also enables continuous processing rather than batch processing. The operating regimes and the structures of DC negative corona discharges for a point to plate electrode configuration for thin film deposition were studied. Traditionally DC coronas have been operated at extremely low currents. By modifying the circuit, the DC corona was operated at higher currents without spark breakdown. The DC negative corona discharge was operated in a new regime where a stable and diffuse glow was observed near the anode surface. This diffuse glow was observed in air and methane discharges. The discharge was characterized by voltage-current diagnostics. Optical emission spectroscopy (OES) was used to obtain spatially resolved temperature measurements and electric field measurements. The DC negative corona discharge was also observed to deposit films on the anode surface. The deposition of films and particles on the anode surface has introduced the possibility of using corona discharges as a novel method of materials deposition or surface modification at atmospheric pressure. The study of electrical breakdown in both conducting and dielectric liquids has gained interest due to various applications. These discharges in liquids are unsuitable for many applications due to their thermal nature. Non-thermal discharges in liquids are relatively unexplored. DC plasma discharges in liquids for a negative pin-to-plate electrode configuration were also investigated. The discharge was characterized by voltage-current characteristics and visualization. The corona discharge is observed to deposit films on the anode surface when operated in tetraethyl orthosilicate (TEOS). Deposition on the anode surface by the proposed method has introduced the possibility of using corona discharges as a method of materials deposition or surface modification directly in liquid phase. The proposed plasma enhanced liquid deposition (PELD) technique is encouraging because it is both simple and effective in depositing films without damaging the substrate material.

New Concept Of Electron Detachment For Air In Negative Corona At High Temperature

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Author : Correll C. Shale
language : en
Publisher:
Release Date : 1967

New Concept Of Electron Detachment For Air In Negative Corona At High Temperature written by Correll C. Shale and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1967 with Corona (Electricity) categories.

Mobility Of The Ions In The Corona Discharge

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Author : William Morris Young
language : en
Publisher:
Release Date : 1926

Mobility Of The Ions In The Corona Discharge written by William Morris Young and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1926 with Corona (Electricity) categories.

The Corona In Air At Continuous Potentials And Pressures Lower Than Atmospheric

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Author : Donald Mackenzie
language : en
Publisher:
Release Date : 1915

The Corona In Air At Continuous Potentials And Pressures Lower Than Atmospheric written by Donald Mackenzie and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1915 with Corona (Electricity) categories.

The Characteristics Of Corona Discharges

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Author : Jonathan Roebuck Travis
language : en
Publisher:
Release Date : 1968

The Characteristics Of Corona Discharges written by Jonathan Roebuck Travis and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1968 with categories.