Supercapacitor-assisted techniques and supercapacitor-assisted loss management concept: New design approaches to change the roadmap of power conversion …

N Kularatna, K Subasinghage, K Gunawardane… - Electronics, 2021 - mdpi.com
All electrical and electronic devices require access to a suitable energy source. In a portable
electronic product, such as a cell phone, an energy storage unit drives a complex array of …

Supercapacitor‐assisted low dropout regulator technique: a new design approach to achieve high‐efficiency linear DC–DC converters

K Gunawardane, N Kularatna - IET Power Electronics, 2018 - Wiley Online Library
Approximate efficiency of a linear regulator is given by the ratio of regulated output voltage
to input voltage. Higher voltage difference between the input and the output means a lower …

Potential of supercapacitors in novel power converters as semi-ideal lossless voltage droppers

T Ariyarathna, D Jayananda… - IECON 2017-43rd …, 2017 - ieeexplore.ieee.org
Electrical physics text book theory tells us that charging a capacitor is much less efficient
than replenishing the energy in a discharged electro-chemical battery. If a fully discharged …

Supercapacitors Improve the Performance of Linear Power-Management Circuits: Unique new design options when capacitance jump from micro-farads to farads with …

N Kularatna - IEEE Power Electronics Magazine, 2016 - ieeexplore.ieee.org
SCs can be used in many different ways to develop unique application circuits and to
address traditional circuit issues, such as energy efficiency in linear dc-dc converters …

Supercapacitor assisted LDO (SCALDO) techniquean extra low frequency design approach to high efficiency DC-DC converters and how it compares with the …

K Kankanmage, N Kulatana - 2013 Twenty-Eighth Annual IEEE …, 2013 - ieeexplore.ieee.org
Supercapacitor assisted low dropout regulators (SCALDO) were proposed as an alternative
design approach to DC-DC converters, where the supercapacitor circulation frequency …

Design approach for Supercapacitor Assisted LED lighting (SCALED) technique for DC-microgrids

D Jayananda, N Kularatna… - 2018 IEEE International …, 2018 - ieeexplore.ieee.org
Energy efficiency is a main requirement in power converters used in domestic electrical
goods including lighting. Using DC at home and DC-microgrids are relatively new concepts …

Extending the input voltage range of solar PV inverters with Supercapacitor Energy Circulation

K Gunawardane, N Bandara, K Subasinghage… - Electronics, 2021 - mdpi.com
Cleaner and greener energy sources have proliferated on a worldwide basis, creating
distributed energy systems. Given the unreliable nature of the renewable sources such as …

Supercapacitor energy storage in solar application: A design approach to minimize a fundamental loss issue by partitioning the load and the storage device

N Kularatna, K Milani, WH Round - 2015 IEEE 24th …, 2015 - ieeexplore.ieee.org
When an ideal voltage source is used to replenish an electro-chemical battery with an open
circuit voltage of V and a charge of Q coulombs, it stores an energy of QV in the battery, if the …

Supercapacitor Assisted Low Dropout Regulators (SCALDO) for high efficiency DC-DC converters for DC microgrid applications

N Kularatna - 2015 IEEE First International Conference on DC …, 2015 - ieeexplore.ieee.org
Supercapacitors are approximately one million times bigger than the conventional
electrolytic capacitors, and, they come with one order lower equivalent series resistances …

Extending the supercapacitor-assisted low-dropout regulator (SCALDO) technique to a split-rail DC–DC converter application

K Subasinghage, K Gunawardane, N Kularatna… - IEEE …, 2019 - ieeexplore.ieee.org
The Supercapacitor-assisted low-dropout (SCALDO) regulator is a unique new DC-DC
converter design approach with high end-to-end efficiency (ETEE), where a supercapacitor …