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Partial discharges ...
Partial discharges at different voltage waveshapes: Comparison between two different acquisition systems
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- Romano, P. (författare)
- Universita degli Studi di Palermo,University of Palermo
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- Hammarström, Thomas, 1974 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Bengtsson, Tord, 1954 (författare)
- ABB
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- Imburgia, A. (författare)
- Universita degli Studi di Palermo,University of Palermo
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- Madonia, A. (författare)
- Universita degli Studi di Palermo,University of Palermo
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- Viola, F. (författare)
- Universita degli Studi di Palermo,University of Palermo
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- Gubanski, Stanislaw, 1950 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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(creator_code:org_t)
- 2018
- 2018
- Engelska.
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Ingår i: IEEE Transactions on Dielectrics and Electrical Insulation. - 1558-4135 .- 1070-9878. ; 25:2, s. 584-593
- Relaterad länk:
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- In modern HV apparatuses the wide use of electronic converters, increase the stress on the involved insulation systems and thus affect the reliability of the whole power grid. Additionally, such non-sinusoidal voltage shapes contain high gradient flanks that create problems in the detection of partial discharge (PD) activity. The aim of this paper is to discuss the methodology on how to suitably approach PD detection in insulation systems exposed to various voltage waveshapes in general by comparing two different measuring systems. The first one, equipped with a resonant PD decoupler, designed specifically for detection at typical power electronic waveshapes and the other one, based on an antenna sensor with flat frequency response, a general-purpose AC system. It was found that not so much the acquisition principles as the features are important for effective detection of PD signals appearing at rapidly changing test voltages from power electronic devices.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Medicinteknik -- Medicinsk laboratorie- och mätteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Medical Engineering -- Medical Laboratory and Measurements Technologies (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Signalbehandling (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Signal Processing (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Annan elektroteknik och elektronik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Other Electrical Engineering, Electronic Engineering, Information Engineering (hsv//eng)
Nyckelord
- Square voltage waveforms
- Measurements
- Partial discharges
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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