全部文献期刊学位论文会议报纸专利标准年鉴图书|学者科研项目
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作者:Chongxing Zhang , Ming Dong , Ming Ren ...
来源:[J].Sensors(IF 1.953), 2018, Vol.18 (2)DOAJ
摘要:... Partial discharge detection is an effective way to identify potential faults and can be utilized for insulation diagnosis of metal-enclosed switchgear. The transient earth voltage method, an effective non-intrusive method, has substantial engineering application value for est...
作者:Guillermo Robles , José Manuel Fresno , Juan Manuel Martínez-Tarifa ...
来源:[J].Sensors(IF 1.953), 2018, Vol.18 (3)DOAJ
摘要:The measurement of partial discharge (PD) signals in the radio frequency (RF) range has gained popularity among utilities and specialized monitoring companies in recent years. Unfortunately, in most of the occasions the data are hidden by noise and coupled interferences that hind...
作者:Mithun Mondal , G.B. Kumbhar
来源:[J].IETE Technical Review(IF 0.705), 2018, Vol.35 (5), pp.483-493Taylor & Francis
摘要:... Partial discharge (PD) is considered as one of the primary causes of initiation of insulation degradation. Thus, monitoring of PD in a power transformer at a preliminary stage is the most important task to prevent any catastrophic failure. This paper presents a brief introduc...
作者:Liangliang Wei , Yushun Liu , Dengfeng Cheng ...
来源:[J].Energies(IF 1.844), 2018, Vol.11 (3)DOAJ
摘要:To effectively de-noise the Gaussian white noise and periodic narrow-band interference in the background noise of partial discharge ultra-high frequency (PD UHF) signals in field tests, a novel de-noising method, based on a single-channel blind source separation algorithm, is pro...
作者:Wen Si , Simeng Li , Huaishuo Xiao ...
来源:[J].Energies(IF 1.844), 2018, Vol.11 (3)DOAJ
摘要:... Partial discharge (PD) characteristics of oil-pressboard insulation under combined AC-DC voltage are the foundation for analyzing the insulation state of UHVDC converter transformers. The defect pattern recognition based on PD characteristics is an important part of the state...
作者:Vladimir Kindl , Bohumil Skala , Roman Pechanek ...
来源:[J].Sensors(IF 1.953), 2018, Vol.18 (2)DOAJ
摘要:The most common cause of high voltage electric machine malfunction is an electrical failure of the insulation system due to extreme partial discharges activity. The paper discusses the methodology for the construction of a low-pass high voltage filter for partial discharge measur...
作者:Ming Ren , Ming Dong , Jialin Liu
来源:[J].Energies(IF 1.844), 2016, Vol.9 (3)DOAJ
摘要:Partial discharge (PD) detection is essential to the operation of high-voltage systems. In this context, we investigate the basic characteristics of light emission during PDs in SF6 gas from the perspective of insulation diagnosis. A synchronous system is constructed using thr...
作者:Jiantao Sun , Xining Li , Lingyu Zhu ...
来源:[J].Energies(IF 1.844), 2017, Vol.10 (11)DOAJ
摘要:Partial discharge (PD) behaviors of oil-paper insulation is distinctive in AC and DC combined electric fields in converter transformers from PD behaviors in pure AC or DC electric fields. The present study focuses on the PD developing processes and characteristics of oil-paper...
作者:Ju Tang , Miao Jin , Fuping Zeng ...
来源:[J].Energies(IF 1.844), 2017, Vol.10 (10)DOAJ
摘要:Scientific evaluation of partial discharge (PD) severity in gas-insulation switchgear (GIS) can assist in mastering the insulation condition of in-service GIS. Limited theoretical research on the laws of PD deterioration leads to a finite number of evaluation features extracted a...
作者:Mithun Mondal , G.B. Kumbhar
来源:[J].IETE Technical Review(IF 0.705), 2017, Vol.34 (5), pp.504-513Taylor & Francis
摘要:ABSTRACT(#br)This paper presents a comprehensive review of various techniques of partial discharge (PD) localization. The technologies reviewed are acoustic, ultra-high frequency (UHF), optical, and electrical according to their chronological order of development. The paper outli...

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