List of Publications 

17. Krzysztof Chwastek, Radosław Jastrzȩbski, Anna Przybył, Piotr Gȩbara, Monika Gȩbara, Roman Gozdur, Ajay P. S. Baghel, and B. Sai Ram, "The Effect of DC-bias on the Magnetisation Curves Described with the T(x) Model,"  Physica B: Condensed Matter, vol. 714, 2025, 417378 (5 pages).

16. B. Sai Ram, A. P. S. Baghel, K. Chwastek, S. V. Kulkarni, L. Daniel, I. C. Nlebedim, M. F. de Campos, "Modelling of Angular Behaviour of Core Loss in Grain-Oriented Laminations using the Loss Separation Approach," Journal of Super-Conductivity and Novel Magnetism, vol. 38, pp. 1-10, Art. No. 45, 2025.  

15. A. Westerberg, B. Sai Ram, and S. Eriksson, "Anisotropic Model of Nonlinear Permanent Magnets in Finite Element Method Software," Journal of Magnetism and Magnetic Materials, Elsevier, vol. 611, pp. 1-11, 2024.

14. K. Kanakgiri, D. Ishan Bhardwaj, B. Sai Ram, and S. V. Kulkarni, "A Circuit-Based Formulation for Soft Magnetic Materials Using the Jiles–Atherton Model," IEEE Transactions on Magnetics, vol. 60, no. 10, pp. 1-7, Oct. 2024, Art no. 7301107, doi: 10.1109/TMAG.2024.3452593.

13. K. Kanakgiri, S. Varier, B. Sai Ram, G. M. Unniachanparambil and S. V. Kulkarni, "A Modified Takács Model to Formulate the Anisotropic Behavior of Grain-Oriented Laminations," IEEE Transactions on Magnetics, vol. 60, no. 10, pp. 1-8, Oct. 2024, Art no. 7301008, doi: 10.1109/TMAG.2024.3446893.

12. A. K. Paul, B. Sai Ram, and S. V. Kulkarni, “Review of Coupled Inductors in Power Electronics: From Concept to Practice," e-Prime - Advances in Electrical Engineering, Electronics and Energy, Elsevier, vol. 8, 2024, 100501.

11. K. Chwastek, P. Gębara, A. Przybył, R. Gozdur, A. P. S. Baghel, and B. Sai Ram, "An Alternative Formulation of the Harrison Model," Applied Sciences, vol. 13, no. 21, 12009 (14 pages), 2023.

10. G. M. Unniachanparambil, R. Rane, K. Kanakgiri, S. V. Kulkarni and B. Sai Ram, "Investigation of Rotational Magnetization Under Non-Sinusoidal Excitation for Non-Oriented Material," IEEE Transactions on Magnetics, vol. 59, no. 1, pp. 1-11, Jan. 2023, Art no. 6100111.

9. B. Sai Ram, A. K. Paul, and S. V. Kulkarni, “Soft Magnetic Materials and Their Applications in Transformers,” Journal of Magnetism and Magnetic Materials, Elsevier, vol. 531, 2021, Art no. 168210.

8.  R. Raj, B. Sai Ram, R. Bhat, G. M. Unniachanparambil and S. V. Kulkarni, “A Novel Cost-Effective Magnetic Characterization Tool for Soft Magnetic Materials used in Electrical Machines,” IEEE Transactions on Instrumentation and Measurement, vol. 70, pp. 1-8, 2021.

7.    B. Sai Ram, A. P. S. Baghel, S. V. Kulkarni, L. Daniel, and I. C. Nlebedim, “A frequency-dependent scalar magneto-elastic hysteresis model derived using Multi-Scale and Jiles-Atherton approaches,” IEEE Transactions on Magnetics, vol. 56, no. 3, pp. 1-5, 2020, Art no. 7510105.

6. H. Bisht, V. M. Gadre, S. V. Kulkarni, and B. Sai Ram, “A wavelet descriptor model of hysteresis loop phenomena,” IET Electric Power Applications, vol. 14, no. 11, pp. 2179-2186, 2020.

5. B. Sai Ram, A. P. S. Baghel, S. V. Kulkarni, K. Chwastek, and L. Daniel, “A hybrid product-multi-scale model for magneto-elastic behaviour of soft magnetic materials,” Physica B: Condensed Matter, vol. 571, pp. 301-306, 2019.

4. B. Sai Ram, and S. V. Kulkarni, “An isoparametric approach to model ferromagnetic hysteresis including anisotropy and symmetric minor loops,” Journal of Magnetism and Magnetic Materials, Elsevier, vol. 474, pp. 574-584, 2019.

3. A. P. S. Baghel, B. Sai Ram, L. Daniel, S. V. Kulkarni, G. Krebs, J. B. Blumenfeld, and L. Santandrea, “An alternative approach to model mechanical stress effects on magnetic hysteresis in electrical steels using complex permeability,” Computational Materials Science, Elsevier, vol. 166, pp. 96-104, 2019.

2. K. Chwastek, A. P. S. Baghel, B. Sai Ram, B. Borowik, L. Daniel, and S. V. Kulkarni, “On some approaches to model reversible magnetization processes,” Journal of Physics D: Applied Physics, vol. 51, 145003 (7 pp), 2018.

1. A. P. S. Baghel, B. Sai Ram, K.Chwastek, L. Daniel, and S. V. Kulkarni, “Hysteresis modelling of GO laminations for arbitrary in-plane directions taking into account the dynamics of orthogonal domain walls,” Journal of Magnetism and Magnetic Materials, Elsevier, vol. 418, pp. 14-20, 2016.

13. A. K. Paul and B. Sai Ram, "Design of a Low Leakage Pulse Transformer for Gate Driving of Multiple SiC MOSFETs for Induction Heating Applications," 2024 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES), Mangalore, India, 2024, pp. 1-6, doi: 10.1109/PEDES61459.2024.10961413. 

12. R. Raj, D. Singh, S. Halder, M. Diana, B. Sai Ram, and Y. Thioliere, "Finite Element Analysis of an IPM Machine for Charging Operations in Electric Vehicles," 2024 International Conference on Electrical Machines (ICEM), Torino, Italy, 2024, pp. 1-6, doi: 10.1109/ICEM60801.2024.10700232. 

11. A. P. S. Baghel, B. Sai Ram and I. C. Nlebedim, "Analytical Computation of Torque-Speed Characteristics and Efficiency Map for PM Motors," 2024 IEEE 21st Biennial Conference on Electromagnetic Field Computation (CEFC), Jeju, Korea, Republic of, 2024, pp. 1-2, doi: 10.1109/CEFC61729.2024.10585901. 

10. B. Sai Ram, A. P. S. Baghel, K. Chwastek, S. V. Kulkarni, L. Daniel, I. C. Nlebedim, M. F. de Campos, "Modelling of Angular Behaviour of Core Loss in Grain-Oriented Laminations using the Loss Separation Approach," International Conference on Magnetism and Magnetic Materials (ICMAGMA - 2023), Hyderabad, 4th-6th December 2023, p. 379.

9. Greeshma Mohan U., B. Sai Ram, and S. V. Kulkarni, "An Inverse Jiles-Atherton Model Considering Dynamic and Temperature Effects for Ferrites," International Conference on Magnetism and Magnetic Materials (ICMAGMA - 2023), Hyderabad, 4th-6th December 2023, p. 441.

8. B. Sai Ram, A. P. S. Baghel, S. V. Kulkarni, and L. Daniel, “Inclusion of dynamic losses in a scalar magnetoelastic hysteresis model derived using Multi-scale and Jiles-Atherton Approaches,” in 22nd International Conference on Computational Electromagnetics, COMPUMAG - 2019, Paris, France, 15th-19th July 2019.

7. B. Sai Ram, A. P. S. Baghel, and S. V. Kulkarni, “A simple hysteresis model to predict magneto-mechanical behaviour of soft magnetic materials,” in International Conference on Magnetic Materials and Applications, ICMAGMA - 2018, Bhubaneswar, 9th-13th December 2018.

6. B. Sai Ram, A. P. S. Baghel, and S. V. Kulkarni, “An insight into factors influencing core performance in transformers,” in 10th International Conference on Transformers, TRAFOTECH-2018, New Delhi, 4-5 October 2018, pp. 71-78.

5. A. Pawar, Rishabh Raj, Greeshma Mohan U, B. Sai Ram, and S. V. Kulkarni, “A LabVIEW based measuring system for hysteresis loops of magnetic materials”, in 7th International Conference on Advances in Electrical Measurements and Instrumentation Engineering, EMIE 2018, July 13-14, 2018 Cochin.

4. K. Sankaran and B. Sai Ram, “Modelling of nanoscale quantum tunnelling structures using algebraic topology method,” AIP Conference Proceedings, vol. 1953, 140105, 2018.

3. K. Chwastek, A. P. S. Baghel, P. Borowik, B. Sai Ram, and S. V. Kulkarni, “Loss separation in chosen grades of grain-oriented steel,” Progress in Applied Electrical Engineering (PAEE), Poland, 26 June - 1 July 2016.

2. A. P. S. Baghel, B. Sai Ram, K. Chwastek, and S. V. Kulkarni, “Hysteresis modelling of grain-oriented laminations in arbitrary directions using dynamics of orthogonal domain walls,” in International Conference on Magnetic Materials and Applications, ICMAGMA-2015, Vellore, 2-4 December 2015. 

1. T. Talande, S. Kholiya, V. Sonar, K. Rajamani, B. Sai Ram, and S. V. Kulkarni, “Determination of magnetic field intensity in the vicinity of underground extra high voltage cables,” International Conference on Power Cables, CABLETECH-2015, Bangalore, 26-27 February 2015, pp. 120-126.