Nihal Kularatna

51 papers C 23Journal 8Unranked 20
YearRankTypeTitle / Venue / Authors
2025 J jnl
Dynamic Nonlinear Resistance Model for a Power MOSFET in an Oscillatory RLC Circuit.
IEEE Trans. Circuits Syst. I Regul. Pap.
Soniya Raju, D. Alistair Steyn-Ross, Marcus T. Wilson, Nihal Kularatna
2024 C conf
Effects of different triggering mechanisms on pulse shaping of a TMS pulse generator based on supercapacitor energy storage.
IECON
Soniya Raju, Nihal Kularatna, Marcus T. Wilson, D. Alistair Steyn-Ross
2024 C conf
Implementation of a Supercapacitor Assisted Inverter System for Reducing Input Loop Losses: Preliminary Results of a Four-stage Inverter.
IECON
Chamila Anuradha Naligama, Nihal Kularatna, D. Alistair Steyn-Ross, Kosala Gunawardane
2024 C conf
Supercapacitor Assisted Arc Management Approaches for Direct Current Circuit Breakers-A Comparison with State of the Art and Potential New Directions.
IECON
Chamara Thilanka Dassanayake, Nihal Kularatna, D. Alistair Steyn-Ross, Nicoloy Gurusinghe
2024 C conf
Supercapacitor-battery hybrid energy storage for portable smart devices using supercapacitor swapping energy harvester.
IECON
Kavishka Dissanayake, Dulsha Kularatna-Abeywardana, Nitish Patel, Nihal Kularatna
2023 C conf
Arc Absorption Options Based on Passive Components in DC Circuit Breakers.
IECON
Chamara Thilanka Dassanayake, Nihal Kularatna, D. Alistair Steyn-Ross, Kosala Gunawardane, Nicoloy Gurusinghe
2023 J jnl
Permeance Based Design and Analysis of Supercapacitor Assisted Surge Absorber for Magnetic Component Selection.
IEEE Trans. Ind. Electron.
Silva Thotabaddadurage Sadeeshvara Udayanga, Nihal Kularatna, D. Alistair Steyn-Ross
2023 C conf
Supercapacitor Based Adjustable High Power Pulse Generator for Medical Research Applications.
IECON
Soniya Raju, Nihal Kularatna, Marcus T. Wilson
2022 C conf
Development of numerical analysis techniques for supercapacitor assisted surge absorber (SCASA) technique to validate experimental and simulated results.
IECON
Savin Kokuhennadige, Nihal Kularatna, Ye Chow Kuang, D. Alistair Steyn-Ross
2022 C conf
Supercapacitor based approaches for arc energy absorption in direct current circuit breakers.
IECON
Chamara Thilanka Dassanayake, Rusiru Sri Gunathilaka, Nicoloy Gurusinghe, Nihal Kularatna
2021 C conf
Circuit Protection Techniques for Supercapacitor-Assisted Low-Dropout (SCALDO) Regulator.
TENCON
Kasun Subasinghage, Kosala Gunawardane, Nihal Kularatna
2021 C conf
Comparison of Step-Down Charge Pump Converters and Supercapacitor-Assisted Low- Dropout (SCALDO) Regulators.
TENCON
Kasun Subasinghage, Kosala Gunawardane, Nihal Kularatna
2021 — conf
End-to-End Efficiency Improvement Technique for Supercapacitor Energy Stores in Renewable Energy Applications.
ICIT
Chamara Thilanka Dassanayake, Sachinda Ekanayake, Prabath Wijesinghe, Nicoloy Gurusinghe, Nihal Kularatna
2021 — conf
UPS Capability and End-to-End Efficiency Improvement Technique for DC Microgrids with Supercapacitor Energy Storage.
ISIE
Sachinda Ekanayake, Prabath Wijesinghe, Chamara Thilanka Dassanayake, Vishalya P. Sooriarachchi, Nicoloy Gurusinghe, Nihal Kularatna
2020 C conf
Analysis of Impedance Matching Technique for Novel Supercapacitor Assisted PV Systems.
IECON
P. L. A. K. Piyumal, A. L. A. K. Ranaweera, S. R. D. Kalingamudali, Nihal Kularatna
2020 — conf
Supercapacitor based RC loop loss circumvention technique to improve the efficiency of photovoltaic inverters.
ICIT
Nalin Bandara, Kosala Gunawardane, Nihal Kularatna
2019 C conf
A Validity of MPPT Technique Using Supercapacitors as Energy Storage Devices: Example of the SCALED converter technique.
IECON
Dilini Jayananda, Nihal Kularatna, D. Alistair Steyn-Ross
2019 J jnl
Extending the Supercapacitor-Assisted Low-Dropout Regulator (SCALDO) Technique to a Split-Rail DC-DC Converter Application.
IEEE Access
Kasun Subasinghage, Kosala Gunawardane, Nihal Kularatna, Tek Tjing Lie
2019 — conf
Improving the Energy Storage of Standalone PV Systems while Enhancing the Charging Efficiency using Supercapacitors.
ICIT
P. L. A. K. Piyumal, A. L. A. K. Ranaweera, S. R. D. Kalingamudali, Nihal Kularatna
2019 — conf
Investigating the impact of ferrite magnetic cores on the performance of supercapacitor assisted surge absorber (SCASA) technique.
ISIE
Silva Thotabaddadurage Sadeeshvara Udayanga, Nihal Kularatna, D. Alistair Steyn-Ross
2019 C conf
Magnetic Design Aspects of New Hybrid 48-V DC Power Supply Based on SCALDO.
IECON
Thilanga Ariyarathna, Nihal Kularatna, D. Alistair Steyn-Ross
2019 — conf
Performance Characteristics of Energy-Efficient LED Lamps Leading to Supercapacitor Assisted LED (SCALED) Technique for DC-Microgrid Applications.
ICIT
Dilini Jayananda, Nihal Kularatna, D. Alistair Steyn-Ross
2018 C conf
Analysis and Simulation of Transformer Isolated High Current 48 V DC Power Supply with DC-UPS Capability Based on SCALDO Technique for Google's New Open Rack Power Architecture.
IECON
Thilanga Ariyarathna, Nihal Kularatna, D. Alistair Steyn-Ross
2018 — conf
Developing a high current 48V DC power supply: Design approaches based on SCALDO.
ICIT
Thilanga Ariyarathna, Nihal Kularatna, D. Alistair Steyn-Ross
2018 — conf
Efficiency enhanced linear DC-DC converter topology with integrated DC-UPS capability.
ICIT
Kosala Gunawardane, Kasun Subasinghage, Nihal Kularatna
2018 — conf
Linear AC Voltage Regulator: Implementation Details of a Multi-Winding Approach.
ISIE
Priyanwada Nimesha Wijesooriya, Nihal Kularatna, Jayathu Fernando, D. Alistair Steyn-Ross
2018 C conf
Powering 12-V LED luminiaries with supercapacitor-based energy storage in DC-microgrid systems.
IECON
Dilini Jayananda, Nihal Kularatna, D. Alistair Steyn-Ross
2018 — conf
Selection of the Stable Range of the Equivalent Series Resistance (ESR) of the Output Capacitor for a SCALDO Regulator.
ISIE
Kasun Subasinghage, Kosala Gunawardane, Nihal Kularatna, Tek Tjing Lie
2018 J jnl
Use of Effective Capacitance Variation as a Measure of State-of-Health in a Series-Connected Automotive Battery Pack.
IEEE Trans. Veh. Technol.
Peter Leijen, D. Alistair Steyn-Ross, Nihal Kularatna
2017 — conf
AC source vs DC source: Charging efficiency in battery storage systems for residential houses.
ISGT Asia
Junaid Ali Qureshi, Tek Tjing Lie, Kosala Gunawardane, Nihal Kularatna, Waqar Ahmed Qureshi
2017 — conf
Back-to-back MOSFET switches to reduce the losses in SCALDO implementation.
ICIT
Kosala Gunawardane, Sting Xie, Nihal Kularatna
2017 C conf
Potential of supercapacitors in novel power converters as semi-ideal lossless voltage droppers.
IECON
Thilanga Ariyarathna, Dilini Jayananda, Nihal Kularatna, D. Alistair Steyn-Ross
2017 — conf
Series transistor array-based linear AC regulator: Role of multiple buck-boost transformers in efficiency improvements.
ISIE
Priyanwada Nimesha Wijesooriya, Nihal Kularatna, Jayathu Fernando, D. Alistair Steyn-Ross
2017 — conf
Single-input, dual polarity, dual output DC-DC converter implementation based on the SCALDO technique.
ICIT
Kasun Subasinghage, Kosala Gunawardane, Tek Tjing Lie, Nihal Kularatna
2017 C conf
Two-transformer-series approach in developing a transistor based-AC voltage regulator for consumer-end applications.
IECON
Priyanwada Nimesha Wijesooriya, Nihal Kularatna, Jayathu Fernando, D. Alistair Steyn-Ross
2016 — conf
A designer's view on non-traditional supercapacitor techniques for sustainable energy applications.
ISIE
Nihal Kularatna, D. Alistair Steyn-Ross, Kaveh Milani
2016 C conf
Single-stage fast supercapacitor charger with inherent power factor correction for energy-limited applications.
IECON
Nicoloy Gurusinghe, Nihal Kularatna, W. Howell Round, D. Alistair Steyn-Ross
2015 C conf
Hybridisation techniques for a supercapacitor-assisted temperature modification apparatus for inline water heating.
IECON
Nicoloy Gurusinghe, Nihal Kularatna, Sean A. Charleston, Jayathu Fernando, W. Howell Round
2015 — conf
Supercapacitor energy storage in solar application: A design approach to minimize a fundamental loss issue by partitioning the load and the storage device.
ISIE
Nihal Kularatna, Kaveh Milani, W. Howell Round
2015 — conf
System implementation aspects of supercapacitor based fast in-line water heating system.
ISIE
Nicoloy Gurusinghe, Nihal Kularatna, Sean A. Charleston, Jayathu Fernando
2014 C conf
Implementation of the supercapacitor-assisted surge absorber (SCASA) technique in a practical surge protector.
IECON
Jayathu Fernando, Nihal Kularatna, W. Howell Round, Sadhana Talele
2014 J jnl
Improving the End-to-End Efficiency of DC-DC Converters Based on a Supercapacitor-Assisted Low-Dropout Regulator Technique.
IEEE Trans. Ind. Electron.
Kosala Kankanamge, Nihal Kularatna
2014 C conf
Pre-stored supercapacitor energy as a solution for burst energy requirements in domestic in-line fast water heating systems.
IECON
Nihal Kularatna, Alessandro Gattuso, Nicoloy Gurusinghe, Tanya Jayasuriya, Johann du Toit
2013 — conf
A supercapacitor based enhancement technique for stand-alone surge protection circuits.
ISIE
Jayathu Fernando, Nihal Kularatna
2013 — conf
Developing a monitoring system for Toyota Prius battery-packs for longer term performance issues.
ISIE
Peter Leijen, Nihal Kularatna
2013 C conf
Reduced-switch SCALDO technique for high-current VRM implementation.
IECON
Thilini Wickramasinghe, Nihal Kularatna, D. Alistair Steyn-Ross
2013 — conf
Supercapacitor assisted low dropout regulators (SCALDO) with reduced switches: A new approach to high efficiency VRM designs.
ISIE
Nihal Kularatna, Thilini Wickramasinghe
2012 C conf
Numerical simulation of surge protection circuits and experimental verification using a lightning surge simulator.
IECON
Sisira James, Nihal Kularatna, D. Alistair Steyn-Ross, Rainer Künnemeyer
2011 J jnl
Analysis and Design Aspects of a Series Power Semiconductor Array with Digital Waveform Control Capability for Single Phase AC Voltage Regulators and Other Applications.
Circuits Syst.
Nihal Kularatna, Chandani Jindasa
2011 J jnl
Surge Capability Testing of Supercapacitor Families Using a Lightning Surge Simulator.
IEEE Trans. Ind. Electron.
Nihal Kularatna, Jayathu Fernando, Amit Pandey, Sisira James
2007 J jnl
An ICPT-Supercapacitor Hybrid System for Surge-Free Power Transfer.
IEEE Trans. Ind. Electron.
Udaya K. Madawala, Duleepa J. Thrimawithana, Nihal Kularatna