IET Science, Measurement & Technology, 2023 Partial discharge (PD) detection is used to evaluate the insulation status of high‐voltage equipment. The most challenging aspect of traditional PD recognition is extracting features from the discharge signal.
Feng‐Chang Gu
doaj +1 more source
Study on the Measurement Technique and Judgment Procedure of Ultrasonic Corona Imaging Equipment
Energies, 2023 Corona discharge is a phenomenon wherein gas on the surface of electrical equipment is ionised. Severe ionisation can lead to insulation breakdown and cause equipment damage.
Ja-Yoon Kang +4 more
doaj +1 more source
Wireless Sensor Network for Radiometric Detection and Assessment of Partial Discharge in HV Equipment [PDF]
, 2017 Monitoring of partial discharge (PD) activity within high voltage electrical environments is frequently used for the assessment of insulation condition.
Atkinson, R. +13 more
core +2 more sources
Classification of partial discharge signals by combining adaptive local iterative filtering and entropy features [PDF]
, 2017 Electro-Magnetic Interference (EMI) is a measurement technique for Partial Discharge (PD) signals which arise in operating electrical machines, generators and other auxiliary equipment due to insulation degradation.
Alan Nesbitt +8 more
core +4 more sources
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
doaj +1 more source
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
doaj +1 more source
Partial discharges measurement by UHF method
Zbornik radova Elektrotehnicki institut Nikola Tesla, 2020 The unconventional UHF (Ultra High Frequency) method of measuring partial discharges (PD) is based on measuring electromagnetic waves (EM) in the UHF frequency band (300-3000) MHz, using appropriate antennas. This method is unconventional, but is widely accepted due to the possibility of application in plants in the online mode and quick review ...
Malešević Nevena +3 more
openaire +2 more sources
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
doaj +1 more source
Quantification of the performance of iterative and non-iterative computational methods of locating partial discharges using RF measurement techniques [PDF]
, 2017 Partial discharge (PD) is an electrical discharge phenomenon that occurs when the insulation materialof high voltage equipment is subjected to high electric field stress. Its occurrence can be an indication ofincipient failure within power equipment such
Alistair J. Reid +29 more
core +1 more source
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
doaj +2 more sources