2015
DOI: 10.1007/s00202-015-0335-4
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Numerical analysis of local hot-spot temperatures in transformer windings by using alternative dielectric fluids

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Cited by 20 publications
(15 citation statements)
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“…For instance, in 2010 Girgis et al [16] compared the temperatures measured with fiber-optic sensors using alternatively a natural ester and a mineral oil as coolant in a 50 MVA commercial transformer. In 2015 Park et al [17] employed a 2D CFD model in order to obtain temperature and velocity profiles of some alternative liquids used in a distribution transformer of 2.3 MVA and a power transformer of 16.5 MVA. In the same year, Lecuna et al [18] carried out a 3D CFD simulation of an ONAN distribution transformer comparing a natural ester, a synthetic ester, a high kinematic viscosity silicone oil and a low kinematic viscosity silicone oil with a mineral oil.…”
Section: Introductionmentioning
confidence: 99%
“…For instance, in 2010 Girgis et al [16] compared the temperatures measured with fiber-optic sensors using alternatively a natural ester and a mineral oil as coolant in a 50 MVA commercial transformer. In 2015 Park et al [17] employed a 2D CFD model in order to obtain temperature and velocity profiles of some alternative liquids used in a distribution transformer of 2.3 MVA and a power transformer of 16.5 MVA. In the same year, Lecuna et al [18] carried out a 3D CFD simulation of an ONAN distribution transformer comparing a natural ester, a synthetic ester, a high kinematic viscosity silicone oil and a low kinematic viscosity silicone oil with a mineral oil.…”
Section: Introductionmentioning
confidence: 99%
“…However, few experimental and theoretical works can be found in the study related with the cooling capacity of these new liquids. In 2015, Park et al employed a 2D-CFD model to obtain temperature and velocity profiles of some alternative liquids used in a distribution transformer of 2.3 MVA and a power transformer of 16.5 MVA [15]. In the same year, Lecuna et al carried out a 3D-CFD simulation of an ONAN distribution transformer comparing a natural ester, a synthetic ester, a high kinematic viscosity silicone oil and a low kinematic viscosity silicone oil with a mineral oil [16].…”
Section: Simulation and Modelling Of Electrical Insulation Weaknessesmentioning
confidence: 99%
“…In fact, several authors have carried out this labor comparing different types of alternative liquids with mineral oil in different cooling systems. For instance, in 2015, Park and Han compared the temperatures distribution and the hot-spots values and their location of three dielectric liquids (a natural and a synthetic esters and a mineral oil) in a 2D numerical model of a zigzag cooling system, [12]. In the same year, Lecuna et al performed the same work using a 3D numerical model of an axial cooling system with three types of alternative dielectrics liquids.…”
Section: Introductionmentioning
confidence: 99%