Results 21 to 30 of about 46,049 (290)
Antenna Parametrization for the Detection of Partial Discharges [PDF]
IEEE Transactions on Instrumentation and Measurement, 2013 Partial discharge (PD) detection is a widely extended technique for electrical insulation diagnosis. Ultrahigh-frequency detection techniques appear as a feasible alternative to traditional methods owing to their inherent advantages such as the capability to detect PDs online and to locate the piece of equipment with insulation problems in substations ...
Guillermo Robles +5 more
openaire +2 more sources
Preliminary partial discharge measurements with a computer aided partial discharge detection system
, 2009 Partial discharges (PDs) can be destructive to electrical insulation as they may degrade the material in time. Consequently, studies have been made to develop efficient systems for PD measurements and monitoring.
Altay, Özkan +4 more
core +3 more sources
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
doaj +1 more source
Using a Scintillation Detector to Detect Partial Discharges [PDF]
Sensors, 2019 This article presents the possibility of using a scintillation detector to detect partial discharges (PD) and presents the results of multi-variant studies of high-energy ionizing generated by PD in air. Based on the achieved results, it was stated that despite a high sensitivity of the applied detector, the accompanying electromagnetic radiation from ...
Lukasz Nagi +3 more
openaire +2 more sources
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
doaj +1 more source
Wideband UHF Antenna for Partial Discharge Detection
Applied Sciences, 2020 This paper presents a ultra-high frequency (UHF) antenna for partial discharge (PD) detection and the antenna sensor can be used near a conducting ground wire.
Zhen Cui +3 more
doaj +1 more source
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
doaj +1 more source
Interpretation of partial discharge activity in the presence of harmonics [PDF]
, 2010 Recent work has identified that circumstances of equipment operation can radically change condition monitoring data. This contribution investigates the significance of considering circumstance monitoring on the diagnostic interpretation of such condition
Rudd, S. E. +13 more
core +1 more source
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
doaj +1 more source
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
doaj +1 more source