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Measurement Techniques Used for Study of Electrical Discharge Mechanisms in Insulating Ester Fluids under Lightning ImpulseROZGA, P. , CIESLINSKI, D. , STANEK, M. , KACZMAREK, M.
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electrical discharges, insulating ester fluids, high voltage, laser techniques, lightning impulse
liquids(11), phenomena(8), streamer(7), break(7), voltage(6), impulse(6), high(6), dielectric(6), propagation(5), prebreak(5)
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About this article
Date of Publication: 2014-08-31
Volume 14, Issue 3, Year 2014, On page(s): 95 - 100
ISSN: 1582-7445, e-ISSN: 1844-7600
Digital Object Identifier: 10.4316/AECE.2014.03012
Web of Science Accession Number: 000340869800012
SCOPUS ID: 84907333549
This article describes the measurement techniques used for the study of mechanisms of electrical discharge development in ester fluids under lightning impulse voltage. These techniques were applied in a laboratory experimental system which enabled the acquisition of a wide range of experimental data. An analysis of the data gives the possibility of assessing the processes responsible for electrical discharge propagation in different types of dielectric liquids. The photographic registration system provides photographs of developing discharges. This uses the shadowgraph method with an impulse laser as a flash lamp. The system of light emission registration enables collection of the time courses of light emitted by the developing discharge. Both systems operating together are synchronized using light guide communication. They are also unaffected by external disturbances such as network overvoltages and high electrical field stress. Preliminary results obtained on the basis of the described techniques, in the field of electrical discharge development in synthetic and natural esters, are presented in the article. These results confirm suitability of the methods used and give the possibility to formulate first conclusions.
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 Characteristics of streamers developing at inception voltage in small gaps of natural ester, synthetic ester and mineral oil under lightning impulse, Rozga, Pawel, Stanek, Marcin, IET Science, Measurement & Technology, ISSN 1751-8822, Issue 1, Volume 10, 2016.
Digital Object Identifier: 10.1049/iet-smt.2014.0313 [CrossRef]
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Faculty of Electrical Engineering and Computer Science
Stefan cel Mare University of Suceava, Romania
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