The degree of polymerization in a prediction model of insulating paper and the remaining life of power transformers

SSM Ghoneim - Energies, 2021 - mdpi.com
The aging of power transformers causes several defects and damages in the insulating
system, especially in the insulating paper. The degradation of the insulating paper …

Planning and Optimizing the Replacement Strategies of Power Transformers: Literature Review

JZ Balanta, S Rivera, AA Romero, G Coria - Energies, 2023 - mdpi.com
The power transformer is one of the most critical assets in power systems; therefore,
planning and optimizing the economic investment for its replacement is crucial for the …

Prediction of transformers conditions and lifetime using furan compounds analysis

RA Abd El-Aal, K Helal, AMM Hassan… - IEEE Access, 2019 - ieeexplore.ieee.org
Power transformers are considered as one of the main parts of any power system. Because
of their importance and high cost, it is important to check the state of the insulation system …

A new method for ferroresonance suppression in an IEEE 33-bus distribution system integrated with multi distributed generation

AM Abdel-Hamed, MM El-Shafhy, EA Badran - Scientific Reports, 2023 - nature.com
Although integrating a distributed generation (DG) into a distribution system (DS) has
several benefits, it may be accompanied by some issues, such as ferroresonance …

Dissolved gas analysis (DGA) of arc discharge fault in transformer insulation oils (ester and mineral oils)

Z Ayalew, K Kobayashi, S Matsumoto… - 2018 IEEE Electrical …, 2018 - ieeexplore.ieee.org
Transformer insulation oil is an important liquid for insulating and cooling of transformers.
For many years' mineral oil has been used for as an insulating liquid in high voltage …

[PDF][PDF] Identification of Power Transformer Insulating Paper's State Based on Principal Component Analysis

SSM Ghoneim - … Journal on Electrical Engineering and Informatics, 2022 - researchgate.net
The power transformer is a vital element in power system assets. When failure occurs in
transformers, it leads to more revenue loss for the electrical utilities. Power transformer …

[HTML][HTML] Impact of turbine availability and wake effect on the application of dynamic thermal rating of wind farm export transformers

Z Li, P Hilber, T Laneryd, GPN Diaz, S Ivanell - Energy Reports, 2024 - Elsevier
Dynamic thermal rating allows transformers to operate beyond the nameplate rating
according to the actual weather and loading conditions. This paper proposes a methodology …

The value of multiple data sources in machine learning models for power system event prediction

V Hoffmann, JRA Klemets, BN Torsæter… - … on Smart Energy …, 2021 - ieeexplore.ieee.org
We describe a method for assessing the value of additional data sources used in the
prediction of unwanted events (voltage dips, earth faults) in the power system. Using this …

Monitoring of power transformers using thermal model and permission time of overload

HA Al_Issa, M Qawaqzeh, S Kurashkin… - … Journal of Electrical …, 2022 - search.proquest.com
This paper presents the problem of increasing the reliability of electricity supply to
consumers. Uninterrupted power supply to electricity consumers depends on the reliability of …

Modelling transfer function of power transformers using sweep frequency response analysis

KPB Jayarathna, WEPS Ediriweera… - 2018 Moratuwa …, 2018 - ieeexplore.ieee.org
Sweep Frequency response analysis is a widely used condition monitoring technique of
power transformers that includes interpreting transfer function in frequency domain. This …