Results 251 to 260 of about 2,966,124 (288)
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Partial discharge. X. PD in gas-insulated substations-measurement and practical considerations
IEEE Electrical Insulation Magazine, 1992For pt.IX see ibid., vol.7, no.6, p.5 et seq. (1991). An overview of engineering practice related to partial discharge (PD) measurements in gas-insulated substations (GISs) is provided. The following questions are addressed: why measure PD in GIS?; in which phases of the life cycle should PD be measured?; what PD measurements are presently available ...
R. Baumgartner +3 more
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Development of automatic identification method for GIS PD (Partial Discharge) defects diagnosis
2007 IEEE Lausanne Power Tech, 2007In this paper, an overview of a new GIS (gas insulated switchgear) PD (partial discharge) diagnostic algorithm for both single-defects and multi-defects in HiPDS-G (Hyundai intelligent preventive diagnostic system for GIS) developed by HHI(Hyundai Heavy Industries Co., Ltd) is given.
Young Chan Choi +4 more
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PD data analysis and evaluation of partial discharge patterns for uniform characterisation
IEE Proceedings - Science, Measurement and Technology, 2004A modern partial discharge (PD) analyser provides a complete record of PD events obtained during the time of observation. A variety of analysis techniques can be applied to the data to extract characteristic information. An analysis technique that would support instrument-independent characterisation needs to have a method of identifying characteristic
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Signal extraction methods for online partial discharge (PD) measurement of power transformers
2015 IEEE 11th International Conference on the Properties and Applications of Dielectric Materials (ICPADM), 2015Wavelet transform-based Partial discharge ( PD) signal extraction methods have been widely adopted in the past ten years. However, these methods may still encounter some difficulties in online PD measurements, in which PD signals can be overwhelmed by noise.
Seo, Junhyuck, Ma, Hui, Saha, Tapan
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European Transactions on Electrical Power, 1996
AbstractIn this paper some possibilities of further applications of a known “Streamer Partial‐Discharge Model” are proposed. These possibilities refer to the relation between the observed partial‐discharge (PD) magnitude and the applied field to the insulation.
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AbstractIn this paper some possibilities of further applications of a known “Streamer Partial‐Discharge Model” are proposed. These possibilities refer to the relation between the observed partial‐discharge (PD) magnitude and the applied field to the insulation.
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IEEE Electrical Insulation Magazine, 1992
For pt.XIV see ibid., vol.8, no.5, p.34 (1992). The effects of X-ray irradiation during partial discharge measurements are discussed. The partial discharge phenomena in cavities is detailed. A full-scale system capable of testing 138-kV-class post insulators under combined electric stress and X-ray radiation was implemented.
N. Fujimoto, S. Rizzetto, J.-M. Braun
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For pt.XIV see ibid., vol.8, no.5, p.34 (1992). The effects of X-ray irradiation during partial discharge measurements are discussed. The partial discharge phenomena in cavities is detailed. A full-scale system capable of testing 138-kV-class post insulators under combined electric stress and X-ray radiation was implemented.
N. Fujimoto, S. Rizzetto, J.-M. Braun
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2017 International Symposium on Electrical Insulating Materials (ISEIM), 2017
The authors have been investigating the deterioration characteristics of polypropylene (PP) films due to partial discharge (PD) in a closed void as a basic study of longterm deterioration of power capacitors. We reported that (1) the number of PD pulses decreased with time and then fluctuated, (2) through holes were observed only after the inception of
Ryouhei Yano +10 more
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The authors have been investigating the deterioration characteristics of polypropylene (PP) films due to partial discharge (PD) in a closed void as a basic study of longterm deterioration of power capacitors. We reported that (1) the number of PD pulses decreased with time and then fluctuated, (2) through holes were observed only after the inception of
Ryouhei Yano +10 more
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Partial discharge. XXI. Acoustic emission based PD source location in transformers
IEEE Electrical Insulation Magazine, 1995Acoustic emission-based partial discharge source location has been applied successfully to power transformers in both factory and field environments, and this method is becoming an established test procedure with a high success rate. With the aid of local utilities and utility laboratories that use acoustic emission apparatus daily, we expect further ...
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Synthesis of Partial Discharge Signals for Testing of PD Detection Algorithms in Generators
2022 International Conference on Power, Energy and Innovations (ICPEI), 2022Isara Sornsen +2 more
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