Results 21 to 30 of about 2,091,277 (287)
Zhongguo dianli, 2022 The transient earth voltage (TEV) method is studied in detection performance for switchgear partial discharge, and compared with the pulse current detection method.
Rongbin XIE +5 more
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A GIS Partial Discharge Defect Identification Method Based on YOLOv5
Applied Sciences, 2022 The correct identification of partial discharge types is of great significance to the stable operation of GIS. In order to improve the recognition accuracy and result of partial discharge, and to meet the requirements of real-time monitoring of GIS ...
Yao Lu +5 more
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Characteristics of PD for Dry-type Air-core Reactor in Turn-to-turn Insulation under Step-voltage
Journal of Harbin University of Science and Technology, 2018 Turn-to-turn insulation breakdown is the final expression form of turn-to-turn insulation fault for the dry-type air-core reactor, the partial discharge under over voltage is one of the main factors causing the turn-to-turn insulation damage. In order to
YAO Yuan-hang +4 more
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Current Density Distribution in the Metal Enclosure of GIS in the Presence of Partial Discharges [PDF]
SHS Web of ConferencesReliable operation of GIS is an important guarantee for the safety and stability of the power system. Partial discharge detection is an effective means of detecting GIS faults in the partial discharge. When partial discharge occurs, the partial discharge
Xu Dai, Changyong Yin, Guanhua Li
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Robust on-line partial discharge measurement of 35-kV cables in wind farms via dual sensors
Energy Reports, 2023 Condition-based maintenance of cables in wind farms is critical for their operation reliability and stability. A promising solution to this task is to carry out on-line partial discharge measurement on the cables.
Yuan Yan, Peng Huo, Hongjie Li
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Partial discharge in liquid nitrogen
Electrical Engineering in Japan, 1976 Results are presented of experiments on partial discharge in liquid nitrogen, including insulation breakdown characteristics of liquid nitrogen, partial discharge characteristics of composite insulation systems, lifetime of polymer films, impulse breakdown of polymer films in liquid nitrogen, etc.
Kosaki, Masamitsu +3 more
openaire +2 more sources
MATEC Web of Conferences, 2016 In this paper, the different types of discharge in transformer were simulated based on the real transformer fault model. The optical partial discharge detection system was established based on optical sensors which were capturing partial discharge ...
Wei Bengang +3 more
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DEVELOPMENT AND CALIBRATION OF A MICROCONTROLLER BASED PARTIAL DISCHARGE CALIBRATOR
Electrica, 2016 Partial discharge is an instantaneous energy release depending on a charge accumulation caused by an electric field localized in any section of insulation materials. In this phenomenon, there is no observation of full discharge but electrical perforation
Kaan GÜLNİHAR, Mukden UĞUR
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Partial discharge pattern recognition method for mine-used dry-type transformer
Gong-kuang zidonghua, 2019 In order to improve recognition accuracy of partial discharge pattern of mine-used dry-type transformer, a partial discharge pattern recognition method for mine-used dry-type transformer was proposed.
TANG Jianwei +5 more
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A novel image‐orientation feature extraction method for partial discharges
IET Generation, Transmission & Distribution, 2022 Partial discharge identification is of great significance in monitoring power equipment. Although substantial work has been done in partial discharge pattern recognition, most studies have been performed in noise‐free environments.
Ze Li +5 more
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