Evaluation of Power Transformer Thermal Performance and Optical Sensor Positioning Using CFD Simulations and Temperature Rise Test
TF Rodrigues, LH Medeiros, MM Oliveira… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
The internal temperatures and the ability to dissipate the heat from active part influence the
windings' insulation deterioration and determine how long power transformers are able to …
windings' insulation deterioration and determine how long power transformers are able to …
[HTML][HTML] Thermal-hydraulic model for temperature prediction on oil-directed power transformers
MM Oliveira, LH Medeiros, AM Kaminski Jr… - International Journal of …, 2023 - Elsevier
The temperatures of a power transformer have direct influence on the windings insulation
deterioration, determining how long the equipment will be able to remain in operation. In …
deterioration, determining how long the equipment will be able to remain in operation. In …
Fe3O4/TiO2/graphene hybrid nanocomposite to improve the lifespan of distribution transformers
K Saravanakumar, JS Issac… - Journal of Physics …, 2022 - iopscience.iop.org
The actual lifetime of a transformer is between 30-50 years, while a foundation can be in
service for 100 years. The aim of this research is to get the exact remaining lifetime of the …
service for 100 years. The aim of this research is to get the exact remaining lifetime of the …
Thermal Experimental Evaluation of a Power Transformer Under OD/OF/ON Cooling Conditions
LH Medeiros, MM Oliveira, RC Beltrame… - 2023 15th Seminar …, 2023 - ieeexplore.ieee.org
Power transformers are extremely important for electrical systems and its internal
temperatures rule the equipment lifespan. To keep the operation under safe conditions, with …
temperatures rule the equipment lifespan. To keep the operation under safe conditions, with …
Fuzzy Logic Based Energy Efficient Transformer Cooling Control
Cooling is the most important way that can be used to extend the life of overloaded
transformers, especially by reducing the aging rate due to temperature, and to ensure that …
transformers, especially by reducing the aging rate due to temperature, and to ensure that …
CFD study of the impact of the deviation on the mass flow inlet on winding hot-spot temperature of a power transformer using mineral and ester oils
A Santisteban, F Ortiz, AK Köseoğlu… - 2022 IEEE 21st …, 2022 - ieeexplore.ieee.org
This work presents a study where a deviation on the mass flow rate in adjacent sectors of the
winding is considered. A CFD model was developed for this study, where heat transfer …
winding is considered. A CFD model was developed for this study, where heat transfer …
Análise do Comportamento Térmico de um Transformador de Potência Através do Uso de Sensoriamento por Fibras Ópticas
LH Medeiros, MM Oliveira, AM Kaminski Jr… - Simpósio Brasileiro de …, 2022 - sba.org.br
Power transformers are essential equipments for the proper functioning of the electrical
power system. Therefore, there is a need to provide solutions that extend their useful life and …
power system. Therefore, there is a need to provide solutions that extend their useful life and …
Comportamento Térmico de um Transformador de Potência Refrigerado por Óleo Dirigido/Forçado Diante da Variação da Vazão da Bomba Hidráulica
MM Oliveira, LH Medeiros, AM Kaminski Jr… - … de Automática-CBA, 2022 - sba.org.br
Power transformers are essential equipments for the electrical system and their useful life is
regulated by internal temperatures that accelerate the degradation of their solid insulation. In …
regulated by internal temperatures that accelerate the degradation of their solid insulation. In …