CAREER SUMMARY
- September 2020 - to date: Assistant Professor, SLIIT
- April 2022 - to date: Adjunct Senior Lecturer, Murdoch University, Perth, Australia
- November 2018 - August 2020: Senior Lecturer (Higher Grade), SLIIT
- January 2016 – January 2022: Adjunct Lecturer, Murdoch University, Perth, Australia
- January 2016 – October 2018: Senior Lecturer in Engineering, National School of Business Management (NSBM), Homagama
- January 2018 – October 2018: Head of Department, School of Engineering, NSBM
- January 2016 – January 2017: Head of Department, School of Engineering, NSBM
- July 2011 – January 2016: Lecturer in Engineering, Murdoch University, Perth, Australia
- 2008 – 2011: Lecturer then Senior Lecturer in Electrical Engineering, Manukau Institute of Technology, Auckland, New Zealand
- 2007: Lecturer in Electrical Engineering, Auckland University of Technology, Auckland, New Zealand
- 2004 – 2006: Postdoctoral Research Fellow, University of Auckland, Auckland, New Zealand
- 2000 - 2003: PhD student, Department of Electrical Engineering and Electronics, University of Manchester Institute of Science and Technology, Manchester, England
- 1995 – 2000: Lecturer in Electrical and Computer Engineering, The Open University
- 1994 – 1995: Instructor, Electronic and Telecommunication Engineering, University of Moratuwa
ACADEMIC QUALIFICATIONS
- Certificate in Teaching Methodology in Higher Education (2019): Sri Lanka Institute of Information Technology (SLIIT), Malabe, Sri Lanka
- Certificate in Staff Development Programme (2018): NSBM Green University Town, Pitipana, Homagama
- Certificate in Enhancing Postgraduate Supervision (2015): Murdoch University, Perth, Australia
- Certificate of Proficiency in Educational Design for Applied eLearning (2010): Manukau Institute of Technology, Auckland, New Zealand
- Certificate of Achievement in Electrical Appliance Serviceperson (2010), Electrical Workers Registration Board, New Zealand
- Graduate Certificate in Tertiary Teaching (2009): Auckland University of Technology, Auckland, New Zealand
- PhD (2003): Electrical Engineering and Electronics, University of Manchester (formerly UMIST), Manchester, England
- MEng (2000): Electronic and Telecommunication Engineering, University of Moratuwa
- BSc (Eng) 1st class honours (1994): Electronic and Telecommunication Engineering, University of Moratuwa
RESEARCH INTERESTS AND MEMBERSHIP
Research Interests
- Renewable energy
- Electrical power engineering
- Image processing
- Mathematical modelling and simulation
Memberships
- Member of IEEE Power and Energy Society
MY PUBLICATIONS
Journal Publications
- Hettiwatte, S. N. "An introduction to oscillators, phase lock loops and direct digital synthesis"
- Hettiwatte, S. N. "Spectrum Analysis"
- Islam, M., Lee, G., and Hettiwatte, S. N. "Application of Parzen Window Estimation for Incipient Fault Diagnosis in Power Transformers"
- Islam, M., Lee, G., and Hettiwatte, S. N. "Calculating a Health Index for Power Transformers Using a Subsystem-based GRNN Approach"
- Rahman, M. M., Arefi, A., Shafiullah, G. M. and Hettiwatte, S. N. "A New Approach to Voltage Management in Unbalanced Low Voltage Networks Using Demand Response and OLTC Considering Consumer Preference"
- Islam, M., Lee, G., and Hettiwatte, S. N. "A Review of Condition Monitoring Techniques and Diagnostic Tests for Lifetime Estimation of Power Transformers"
- Islam, M., Lee, G., and Hettiwatte, S. N. "Application of a General Regression Neural Network for Health Index Calculation of Power Transformers"
- Rahman, M. M., Hettiwatte, S. N., Shafiullah, G. M., and Arefi, A. "An Analysis of Time of Use Electricity Price in the Residential Sector of Bangladesh"
- Islam, M., Lee, G., and Hettiwatte, S. N. "A Nearest Neighbour Clustering Approach for Incipient Fault Diagnosis of Power Transformers"
- Hettiwatte, S. N., Kirton, R. S., Kuijer, J. P. A., Epstein, F. H., Cowan, B. R., and Young, A. A. "Comparison of SPAMM, HARP and DENSE in a Deformable Phantom"
- Hettiwatte, S. N., Cowan, B. R., and Young, A. A. "Generalized Analysis Framework for SPAMM, HARP and DENSE"
- Wang, Z., Hettiwatte, S. N., and Crossley, P. A. "A Measurements-based Discharge Location Algorithm for Plain Disc Winding Power Transformers"
- Hettiwatte, S. N., Wang, Z. D., and Crossley, P. A. "Investigation of Propagation of Partial Discharges in Power Transformers and Techniques for Locating the Discharge"
- Hettiwatte, S. N. "Signature Analyser"
- Hettiwatte, S. N. "Challenges in integrating variable renewable energy sources into electricity grids - a review"
- Chandrasiri, S., and Hettiwatte, S. N. "City-Tour bus locator and bus booking mobile application"
- Islam, M., Lee, G., and Hettiwatte, S. N. "Missing Measurement Estimation of Power Transformers using a General Regression Neural Network"
- Rahman, M. M., Shafiullah, G. M., Arefi, A., Pezeshki, H., and Hettiwatte, S. N. "Improvement of Voltage Magnitude and Unbalance in LV Network by Implementing Residential Demand Response"
- Rahman, M. M., Arefi, A., Shafiullah, G. M., and Hettiwatte, S. N. "Penetration Maximisation of Residential Rooftop Photovoltaic using Demand Response"
- Islam, M., Lee, G., and Hettiwatte, S. N. "Incipient Fault Diagnosis in Power Transformers by Clustering and Adapted KNN"
- Hettiwatte, S. N., Wang, Z. D., and Crossley, P. A. "Estimating Transformer Parameters for Partial Discharge Location"
- Rahman, M. M., Hettiwatte, S. N., Gyamfi, S. "An Intelligent Approach of Achieving Demand Response by Fuzzy Logic based Domestic Load Management"
- Jaffrey, N., and Hettiwatte, S. N. "Corrosion Detection in Steel Reinforced Aluminium Conductor Cables"
- Thorogood, A., and Hettiwatte, S. N. "Switched Intelligent Grid Networking Systems"
- Lee, G. E., Hettiwatte, S. N., and Fonseka, H. A. "A Novel Visualisation Technique for Dissolved Gas Analysis Datasets"
- Hettiwatte, S. N., and Fonseka, H. A. "Analysis and Interpretation of Dissolved Gases in Transformer Oil"
- Hettiwatte, S. N., and Fonseka, H. A. "Condition Monitoring in New Zealand Power Transformers"
- Hettiwatte, S. N. and Young, A. A. "Stripe Detection in Tagged Cardiac Magnetic Resonance Images"
- Hettiwatte, S. N., Wang, Z. D., and Crossley, P. A. "De-noising of Partial Discharge Signals Detected at a 400kV Power Transformer"
- Hettiwatte, S. N., Wang, Z. D., and Crossley, P. A. "An Electrical PD Location Method Applied to a Continuous Disc Type Transformer Winding"
- Hettiwatte, S. N., Crossley, P. A., Wang, Z. D., Darwin, A., and Edwards "Simulation of a Transformer Winding for Partial Discharge Propagation Studies"
- Hettiwatte, S. N., Wang, Z. D., Crossley, P. A., Darwin, A., and Edwards, G. "Experimental Investigation into the Propagation of Partial Discharge Pulses in Transformers"
- Hettiwatte, S. N., Wang, Z. D., and Crossley, P. A. "Transformer Modelling for Studying the Propagation of Partial Discharge Pulses"
