[1]
|
G. F. Mechler and R. S. Girgis, “Calculation of Spatial Loss Distribution in Stacked Power and Distribution Transformer Cores,” IEEE Transactions on Power Delivery, Vol. 13, No. 2, 1998, pp. 532-537.
doi:10.1109/61.660925
|
[2]
|
P. S. Georgilakis, “Spotlight on Modern Transformer Design,” Springer-Verlag, New York, 2009.
doi:10.1007/978-1-84882-667-0
|
[3]
|
NEMA Standard TP 1, Guide for Determining Energy Efficiency for Distribution Transformers, 2002.
|
[4]
|
CENELEC Standards HD 428.1, Three Phase Oil-immersed Distribution Transformers 50 Hz, from 50 kVA to 2500 kVA, with Highest Voltage for Equipment Not Exceeding 36 kV, 1992.
|
[5]
|
A. J. Moses, “Prediction of Core Losses of Three Phase Transformers from Estimation of the components Contributing to the Building Factor,” Journal of Magnetism and Magnetic Materials, Vol. 254-255, 2003, pp. 615- 617. doi:10.1016/S0304-8853(02)00911-3
|
[6]
|
A. Basak and, A. A. Bonyar, “Effects of transformer core assembly on building factors,” Journal of Magnetism and Magnetic Materials, Vol. 112, No. 1-3, 1992, pp. 406- 408. doi:10.1016/0304-8853(92)91214-E
|
[7]
|
K. A. L. Abdul-Retha and A. Basak, “A Comparison of Building Factors for Different Types of Transformer Cores Built With Highly Oriented and Conventional Grade Silicon-Iron Laminations,” Journal of Magnetism and Magnetic Materials, Vol. 26, No. 1-3, 1982, pp. 92- 94. doi:10.1016/0304-8853(82)90123-8
|
[8]
|
Z. Valkovic, “Additional Losses in Three-Phase Transformer Cores,” Journal of Magnetism and Magnetic Materials, Vol. 41, No. 1-3, 1984, pp. 424-426.
doi:10.1016/0304-8853(84)90237-3
|
[9]
|
G. W. Swift, “Excitation current and Power Loss Characteristics for Mitered Joint Power Transformer Cores,” IEEE Transactions on Magnetic, Vol. 11, No. 1, 1975, pp. 61-64. doi:10.1109/TMAG.1975.1058541
|
[10]
|
M. Elleuch and M. Poloujadoff, “New Transformer Model Including Joint Air Gaps and Lamination Anisotropy,” IEEE Transactions on Magnetic, Vol. 34, No. 5, 1998, pp. 3701-3711. doi:10.1109/20.718532
|
[11]
|
M. Elleuch, M. Poloujadoff, “Analytical model of iron losses in power transformers,” IEEE Transactions on Magnetic, Vol. 39, No. 2, 2003, pp. 973-980.
doi:10.1109/TMAG.2003.808591
|
[12]
|
C. Nussbaum, T. Booth, A. Ilo and H. Pfutzner, “A Neural Network for the Prediction of Performance Parameters of Transformer Cores,” Journal of Magnetism and Magnetic Materials, Vol. 160, No. 1, 1996, pp. 81-83.
doi:10.1016/0304-8853(96)00122-9
|
[13]
|
C. Nussbaum, H. Pfutzner, Th. Booth, N. Baumgartinger, A. Ilo and M. Clabian, “Neural Networks for the Prediction of Magnetic Transformer Core Characteristics,” IEEE Transactions on Magnetic, Vol. 36, No. 1, 2000, pp. 313-329. doi:10.1109/20.822542
|
[14]
|
E. Hajipour, M. Vakilian and S. A. Mousavi, “A Novel Fast FEA No-Load Loss Calculation Method for Stacked Core Three Phase Distribution Transformers,” 45th International Universities Power Engineering Conference, Cardiff, 2010, unpublished.
|
[15]
|
R. Prieto, J. A. Cobos, V. Bataller, O. Garcia and J. Ucedci, “Study of Toroidal Transformers by Means of 2D Approaches,” Proceeding of 28th IEEE Annual Power Electronics Specialists Conference, St. Louis, 22-27 June 1997, pp. 621-626.
|
[16]
|
G. F. Mechler and R. S. Girgis, “Magnetic Flux Distribution in Transformer Core Joints,” IEEE Transactions on Power Delivery, Vol. 15, No. 1, 2000, pp. 198-203.
doi:10.1109/61.847251
|
[17]
|
E. G. teNyenhuis, R. S. Girgis and G. F. Mechler, “Other Factors Contributing to the Core Loss Performance of Power and Distribution Transformers,” IEEE Transactions on Power Delivery, Vol. 16, No. 4, 2001, pp. 648- 653. doi:10.1109/61.956752
|
[18]
|
NEMA Standard TP 2, Standard Test Method for Measuring the Energy Consumption of Distribution Transformers, 2005.
|
[19]
|
M. Enokizono and N. Soda, “Finite Element Analysis of Transformer Model Core with Measured Reluctivity Tensor,” Transactions on Magnetic, Vol. 33, No. 5, 1997, pp. 4110-4112.
|
[20]
|
A. Ilo, H. Pfutzner and T. Nakata, “Critical Induction: A Key Quantity for the Optimization of Transformer Core Operation,” Journal of Magnetism and Magnetic Materials, Vols. 215-216, No. 1, 2000, pp. 637-640.
doi:10.1016/S0304-8853(00)00248-1
|
[21]
|
J. C. Olivares, Y. Liu, J. Canedo, R. Escarela-Perez, J. Driesen and P. Moreno, “Reducing Losses in Distribution Transformers,” IEEE Transactions on Power Delivery, Vol. 18, No. 4, 2003, pp. 821-826.
doi:10.1109/TPWRD.2003.813851
|
[22]
|
S. A. Mousavi, “Harmonic Core Losses Calculation in Power Transformers,” M.Sc. Thesis, University of Tehran, Tehran, 2008.
|
[23]
|
W. A. Roshen, “A Practical, Accurate and Very General Core Loss Model for Non-Sinusoidal Waveforms,” IEEE Transactions on Power Electronics, Vol. 22, 2007, pp. 30-40. doi:10.1109/TPEL.2006.886608
|
[24]
|
A. J. Moses, “Comparison of Transformer Loss Prediction from Computed and Measured Flux Density Distribution,” IEEE Transactions on Magnetic, Vol. 34, No. 4, 1998, pp. 1186-1188. doi:10.1109/20.706473
|
[25]
|
F. Loffer, T. Booth, H. Pfutzner, C. Bengtsson and K. Gram, “Relevance of Step-Lap Joints for Magnetic Characteristics of Transformer Cores,” IEE Proceeding in Electric Power Application, Vol. 142, No. 6, 1995, pp. 371-378.doi:10.1049/ip-epa:19952228
|
[26]
|
M. R. Pishvaie, “Process Optimization Course” 2010.
http://sharif.ir/~pishvaie/OptimCoursePage.htm.
|
[27]
|
Z. Valkovic, “Influence of Transformer Core Design on Power Losses,” IEEE Transactions on magnetic, Vol. 18, No. 2, 1982, pp. 801-804.
doi:10.1109/TMAG.1982.1061824
|