Results 21 to 30 of about 43,696 (308)
Improvement of partial discharge resistance of polypropylene under AC voltage by blending elastomer
IET Science, Measurement & Technology, 2023 This paper reports on the partial discharge (PD) erosion characteristics of polypropylene (PP)/elastomer blends where ethylene‐octene copolymer elastomer (EOC) and propylene‐based elastomer are involved.
Yu Gao +6 more
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Non-Contact High Voltage Measurement in the Online Partial Discharge Monitoring System
Energies, 2021 The article presents an innovative system for non-contact high voltage (HV) measurement, which extends the measurement capabilities of a portable partial discharges (PD) monitoring system intended for diagnostics of power transformers.
Krzysztof Walczak, Wojciech Sikorski
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Overview and Partial Discharge Analysis of Power Transformers: A Literature Review
IEEE Access, 2021 The high voltage power transformer is the critical element of the power system, which requires continuous monitoring to prevent sudden catastrophic failures and to ensure an uninterrupted power supply.
Md Rashid Hussain +2 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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A frequency-based RF partial discharge detector for low-power wireless sensing
, 2010 Partial discharge (PD) monitoring has been the subject of significant research in recent years, which has given rise to a range of well-established PD detection and measurement techniques, such as acoustic and RF, on which condition monitoring systems ...
Baker, P.C. +2 more
core +1 more source
2018 IEEE 2nd International Conference on Dielectrics (ICD), 2018 Partial discharges (PD) measurement provide valuable information for assessing the condition of the insulation elements in high voltage (HV) electrical grids. During the last three decades, several instruments integrated with specific technical functionalities have been developed in order to perform accurate diagnostics when temporary or monitoring ...
Fernando Garnacho Vecino +4 more
openaire +3 more sources
A Transformer Partial Discharge Measurement System Based on Fluorescent Fiber
Energies, 2012 Based on the physical phenomena of optical effects produced by the partial discharge (PD) and on the characteristics of fluorescent fiber sensing of weak fluorescent signals, a PD measurement system using a fluorescent fiber sensor was designed. The main
Fan Liu +3 more
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Zhongguo dianli, 2023 The external partial discharge (PD) radio frequency (RF) detection method is suitable for equipment in operation, and has become one of the important means to perceive the insulation defects of transformer and bushing.
Hui HUANG +4 more
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Partial discharge on-line monitoring for HV cable systems using electro-optic modulators
, 2004 A technique for the remote inspection and monitoring of partial discharge (PD) activity using an optical network is described. The network uses a LiNbO3 modulator to modulate the intensity of the transmitted laser light approximately proportional to the ...
Pommerenke, David +9 more
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A Review of Online Partial Discharge Measurement of Large Generators
Energies, 2017 Online partial discharge (PD) measurements have long been used as an effective means to assess the condition of the stator windings of large generators.
Yuanlin Luo, Zhaohui Li, Hong Wang
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