Computation of Stray Losses in Transformer Bushing Regions Considering Harmonics in the Load Current
Abstract
:1. Introduction
2. Model
3. Electromagnetic Field (EMF) Distribution in Region
4. Coupling of Solutions in Regions and
5. Electric Field (EF) and Eddy Current (EC) Losses in the Tank Wall
6. Simulation Results and Discussion
7. Conclusions
Author Contributions
Funding
Conflicts of Interest
References
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Case | A [m] | B [m] | h [m] | Irms [A] | Harmonic | |
---|---|---|---|---|---|---|
1 | 0.0125 | 0.150 | 0.010 | 141.42 | n = 1 | |
2 | 0.0125 | 0.150 | 0.010 | 141.42 | n = 3 | |
3 | 0.04 | 0.145 | 0.00952 | 141.42 | n = 1 | |
4 | 0.04 | 0.145 | 0.00952 | 141.42 | n = 3 | |
5 | 0.04 | 0.145 | 0.00952 | 141.42 | n = 5 | |
6 | 0.035 | 0.140 | 0.00952 | 141.42 | n = 1 | |
7 | 0.035 | 0.140 | 0.00952 | 141.42 | n = 3 | |
8 | 0.035 | 0.140 | 0.00952 | 141.42 | n = 5 |
Case | Ptotal [W], Analytical | Ptotal [W], Numerical | Relative Error (%) | Skin-Effect Depth, [mm] | Harmonic |
---|---|---|---|---|---|
1 | 1.874 | 1.870 | 0.22 | 2.297 | n = 1 |
2 | 3.276 | 3.267 | 0.27 | 1.326 | n = 3 |
3 | 0.959 | 0.953 | 0.63 | 2.297 | n = 1 |
4 | 1.632 | 1.630 | 0.13 | 1.326 | n = 3 |
5 | 2.127 | 2.117 | 0.470 | 1.027 | n = 5 |
6 | 1.614 | 1.588 | 1.610 | 3.979 | n = 1 |
7 | 3.108 | 3.100 | 0.26 | 2.297 | n = 3 |
8 | 3.917 | 3.901 | 0.41 | 1.779 | n = 5 |
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Khan, S.; Maximov, S.; Escarela-Perez, R.; Olivares-Galvan, J.C.; Melgoza-Vazquez, E.; Lopez-Garcia, I. Computation of Stray Losses in Transformer Bushing Regions Considering Harmonics in the Load Current. Appl. Sci. 2020, 10, 3527. https://doi.org/10.3390/app10103527
Khan S, Maximov S, Escarela-Perez R, Olivares-Galvan JC, Melgoza-Vazquez E, Lopez-Garcia I. Computation of Stray Losses in Transformer Bushing Regions Considering Harmonics in the Load Current. Applied Sciences. 2020; 10(10):3527. https://doi.org/10.3390/app10103527
Chicago/Turabian StyleKhan, Sohail, Serguei Maximov, Rafael Escarela-Perez, Juan Carlos Olivares-Galvan, Enrique Melgoza-Vazquez, and Irvin Lopez-Garcia. 2020. "Computation of Stray Losses in Transformer Bushing Regions Considering Harmonics in the Load Current" Applied Sciences 10, no. 10: 3527. https://doi.org/10.3390/app10103527