Results 11 to 20 of about 42,017 (255)
IEEE Access, 2020 To improve the safety and antielectromagnetic interference performance of partial discharge detection in high-voltage DC cables, partial discharge of cables is used as a criterion for characterizing insulation defects.
Zhiheng Liu +4 more
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Zhejiang dianli, 2022 In order to effectively detect latent insulation faults at oil-filled cable terminals， the finite element analysis method of acoustic field is used to study the characteristics of partial discharge acoustic field distribution at oil-filled cable ...
DU Liang +5 more
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Detection technology of partial discharge in transformer based on optical signal
Energy Reports, 2023 The detection of partial discharge (PD) in transformers is of great significance for preventing insulation defects from developing into insulation failures. Transformer partial discharge detection technology includes pulse current method, radio frequency
Shuangrui Jia +5 more
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Sensors, 2023 Optical fiber sensors are used for partial discharge detection in many applications due their advantage of strong anti-electromagnetic interference capability.
Zhengxian Zhou +6 more
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Gong-kuang zidonghua, 2014 The paper introduced basic principle, detection and determinants of partial discharge detection method based on a combination method of ultrasound and high-frequency current.
LUO Dongsong, LU Ye
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Denoising Analysis of Partial Discharge Acoustic Signal Based on SVMD-PCA
Journal of Applied Science and Engineering, 2023 Partial discharge (PD) acoustic signal detection is one of the effective means to assess the insulation status of power transformers. In actual monitoring, white noise is likely to cause strong interference to the partial discharge acoustic signal of the
Panpan Cao +3 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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Device for online monitoring of insulation faults in high-voltage switchgears
International Journal of Distributed Sensor Networks, 2021 Partial discharges are the major cause of deterioration in the insulation characteristics of switchgears. Therefore, timely detection of partial discharge in switchgear and potential insulation faults is an urgent problem that needs to be addressed in ...
Jiajia Song, Jinbo Zhang, Xinnan Fan
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Zhongguo dianli, 2021 Partial discharge signals are prone to missed detection under low signal-to-noise ratios, and the traditional singular value decomposition algorithm requires massive calculations when extracting partial discharge pulses.
Li WANG, Wei ZHANG, Dingnan LUO
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Energies, 2023 In the authors’ previous research, a new method for partial discharge detection in the switchgear based on near-field detection was proposed. The content of this paper is the continuation of the authors’ previous research.
Chunguang Suo +6 more
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