Shimi S.L

Shimi S.L
Department Electrical Engineering
Designation Associate Professor
Qualification Postdoc from Luleå tekniska universitet, Skellefteå Campus, Sweden. Period (August 2019 – August 2021) ,PhD (Electrical Engineering), 2011-2017, PEC University of Technology, Chandigarh, India.
Research Interests Power Electronics and Drives, Multilevel Inverters, MPPT of Solar Photovoltaic System, Electro-mobility, Power Quality, Digital Control, ANN & Fuzzy Logic Applications, FACTS, Renewable Energy, Soft Computing Techniques, MATLAB with dSpace Interface
Email shimisl@pec.edu.in ( Official )
Phone Number

Sr. No. Title
41 A Espin-Delgado, SS Letha, S Ronnberg, M Bollen, Failure of MV Cable Terminations due to Supraharmonic Voltages: A Risk Indicator, IEEE Open Journal of Industry Applications, May, 2020.
42 Anurag, Goyal Deepam, Shimi Sudha Letha, Infrared Thermography based Fault Diagnosis of Induction Motor Bearings using Machine Learning, IEEE Sensors Journal, pp. 1-8, August 2020.Print ISSN: 1530-437X, Online ISSN: 1558-1748, DOI: 10.1109/JSEN.2020.3015868.(SCI)
43 Espín-Delgado, Á., Rönnberg, S., Letha, S.S. and Bollen, M., Diagnosis of supraharmonics-related problems based on the effects on electrical equipment. Electric Power Systems Research, 195, p.107179, 2021.(SCI)
44 Shimi Sudha Letha, Angela Espin Delgado, Sarah K. Rönnberg, Math H. J. Bollen, Evaluation of Medium Voltage Network for Propagation of Supraharmonics Resonance, Energies, 14, 1093, 2021. https://doi.org/ 10.3390/en14041093 (SCI).
45 Letha, S.S., Bollen, M.H. and Rönnberg, S.K., 2022. Analysis and Recommendations for LED Catastrophic Failure Due to Voltage Stress. Energies, 15(2), p.540.
Sr. No. Society Duration
1 Fellow Member, IAEME, Membership No.: FM10163
2 Member IAENG, Membership No: 157991
3 Life member, ISTE, Membership No. LM117403
4 Life Member, NITTTR, Alumni Associationm
5 Member, IE, Membership No: M-1544319
Sr. No. Recent Books
1 Sudha Letha, Shimi, Busatto, Tatiano, Bollen, Math, Interaction between charging infrastructure and the electricity grid: The situation and challenges regarding the influence of electromobility on mainly low voltage networks, Luleå University of Technology, Sweden, 978-91-7790-807-4 (ISBN), 2021.
2 Shimi Sudha Letha, Math Bollen, ‘Impact of Electric Vehicle Charging on The Power Grid’, Luleå University of Technology, Sweden, ISBN: 978-91-7790-763-3, 2021.
3 Shimi Sudha Letha, Solar Powered Cascaded Multilevel Inverter, Subtitle: Using MATLAB and FPGA based spartan 3A DSP board, Publisher: Lap Lambert Academic Publishing, ISBN: 9786139995400, 2019.