Detrapped Charge-Affected Depolarization-Current Estimation Using Short-Duration Dielectric Response for Diagnosis of Transformer Insulation
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Transactions on Instrumentation and Measurement"
DOI: 10.1109/tim.2020.2984405
Abstract: Analysis of detrapped charge [evaluated from polarization–depolarization current (PDC)] is effective in carrying out insulation diagnosis. However, computation of detrapped charge requires PDC data for at least 1600 s (PDCs each measured for 800 s).… read more here.
Keywords: short duration; detrapped charge; depolarization current; insulation ... See more keywords
Depolarization Current Prediction of Transformers OPI System Affected From Detrapped Charge Using LSTM
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Instrumentation and Measurement"
DOI: 10.1109/tim.2022.3181286
Abstract: The depolarization current is critical for the computation of insulation-sensitive parameters of the transformer. Prolonged polarization–depolarization current (PDC) measurement times, on the other hand, can increase the likelihood of obtaining distorted original data as a… read more here.
Keywords: detrapped charge; current prediction; depolarization; model ... See more keywords
PDC Analysis of LLDPE-NR Nanocomposite for Effect of Moisture Absorption
Sign Up to like & getrecommendations! Published in 2017 at "International Journal of Electrical and Computer Engineering"
DOI: 10.11591/ijece.v7i6.pp3133-3139
Abstract: The properties of insulation have been improved by many research and the ability of nanocomposite material that composes the characteristic of improving electrical performance due to the addition of nanofiller into the based material gets… read more here.
Keywords: depolarization current; pdc; lldpe nanocomposite; moisture absorption ... See more keywords
Study of Relaxations in Epoxy/Rubber Composites by Thermally Stimulated Depolarization Current and Dielectric Spectroscopy
Sign Up to like & getrecommendations! Published in 2022 at "Frontiers in Chemistry"
DOI: 10.3389/fchem.2022.874685
Abstract: Liquid rubber toughened epoxy resins are widely used in electrical equipment and electronic packaging. Previous studies have only investigated the relaxation process of epoxy resins through dielectric spectroscopy. The trap characteristics of the relaxation process… read more here.
Keywords: stimulated depolarization; spectroscopy; thermally stimulated; dielectric spectroscopy ... See more keywords
Research on the Thermal Aging Characteristics of Crosslinked Polyethylene Cables Based on Polarization and Depolarization Current Measurement
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DOI: 10.3390/en17102274
Abstract: Although XLPE cables are widely used in power transmission and distribution systems, their insulating properties are susceptible to degradation due to thermal aging. In order to clarify the influence law of the thermal aging process… read more here.
Keywords: polarization depolarization; time; thermal aging; aging characteristics ... See more keywords
Identification of Dielectric Response Parameters of Pumped Storage Generator-Motor Stator Winding Insulation Based on Sparsity-Enhanced Dynamic Decomposition of Depolarization Current
Sign Up to like & getrecommendations! Published in 2025 at "Energies"
DOI: 10.3390/en18133382
Abstract: Accurate diagnosis of the insulation condition of stator windings in pumped storage generator-motor units is crucial for ensuring the safe and stable operation of power systems. Time domain dielectric response testing is an effective method… read more here.
Keywords: insulation; storage generator; stator; dielectric response ... See more keywords