In this study,the advanced topologies of a DC-DC converter for applications involving the harvesting of solar energy are discussed.This work’s primary contribution is a guide for choosing the most effective topology ...In this study,the advanced topologies of a DC-DC converter for applications involving the harvesting of solar energy are discussed.This work’s primary contribution is a guide for choosing the most effective topology for a DC-DC converter when developing solar energy collection systems.Several topologies of a DC-DC converter for solar energy harvesting applications are compared in terms of the range of power levels they can oversee,the complexity of the underlying hardware,the cost of implementation,the tracking efficiency and the overall efficiency of the converter.This article explains five innovative approaches for adapting boost converters to function as standard DC-DC converters to capture solar energy,consisting of(i)voltage-multiplier cell,(2)coupled inductor,(3)coupled inductor and switch capacitor,(4)cascaded topology and(5)voltage-lift technique.Because of the boost converter’s restrictions,it is necessary to deliver high performance.The comparison findings demonstrate that the voltage-lift-based boost-converter topology performs more effectively than the alternatives.In conclusion,the information presented in this paper can be utilized when developing solar energy collection systems to determine the sort of direct current to direct current converter that will be most effective.展开更多
The major challenges of the high-gain DC-DC boost converters are high-voltage stress on the switch,extreme duty ratio operation,diode reverse-recovery and converter efficiency problems.There are many topologies of hig...The major challenges of the high-gain DC-DC boost converters are high-voltage stress on the switch,extreme duty ratio operation,diode reverse-recovery and converter efficiency problems.There are many topologies of high-gain converters that have been widely developed to overcome those problems,especially for solar photovoltaic(PV)power-system applications.In this paper,20 high-gain and low-power DC-DC converter topologies are selected from many topologies of available literature.Then,seven prospective topologies with conversion ratios of>15 are thoroughly reviewed and compared.The selected topologies are:(i)voltage-multiplier cell,(ii)voltage doubler,(iii)coupled inductor,(iv)converter with a coupled inductor and switch capacitor,(v)converter with a switched inductor and switched capacitor,(vi)cascading techniques and(vii)voltage-lift techniques.Each topology has its advantages and disadvantages.A comparison of the seven topologies is provided in terms of the number of components,hardware complexity,maximum converter efficiency and voltage stress on the switch.These are presented in detail.So,in the future,it will be easier for researchers and policymakers to choose the right converter topologies and build them into solar PV systems based on their needs.展开更多
基金This research was funded by the World Class Professor Program 2022,Decree No.3252/E4/DT.04.03/2022Directorate General of Higher Education,Research and Technology of the Ministry of Education,Culture,Research and Technology of the Republic of Indonesia,and the Institutional Cooperation Research Grant,Universitas Ahmad Dahlan,under contract no.PKK-237/SP3/LPPM-UAD/VII/2022.
文摘In this study,the advanced topologies of a DC-DC converter for applications involving the harvesting of solar energy are discussed.This work’s primary contribution is a guide for choosing the most effective topology for a DC-DC converter when developing solar energy collection systems.Several topologies of a DC-DC converter for solar energy harvesting applications are compared in terms of the range of power levels they can oversee,the complexity of the underlying hardware,the cost of implementation,the tracking efficiency and the overall efficiency of the converter.This article explains five innovative approaches for adapting boost converters to function as standard DC-DC converters to capture solar energy,consisting of(i)voltage-multiplier cell,(2)coupled inductor,(3)coupled inductor and switch capacitor,(4)cascaded topology and(5)voltage-lift technique.Because of the boost converter’s restrictions,it is necessary to deliver high performance.The comparison findings demonstrate that the voltage-lift-based boost-converter topology performs more effectively than the alternatives.In conclusion,the information presented in this paper can be utilized when developing solar energy collection systems to determine the sort of direct current to direct current converter that will be most effective.
基金This research was funded through a World Class Research(WCR)scheme from the Ministry of Education,Culture,Research,and Technology(formerly Ministry of Research and Technology/National Agency for Research and Innovation)Republic of Indonesia,with the contract number:002/SKP.TT.PD/LPPM/IV/2021 and supported by the Embedded System and Power Electronics Research Group(ESPERG).
文摘The major challenges of the high-gain DC-DC boost converters are high-voltage stress on the switch,extreme duty ratio operation,diode reverse-recovery and converter efficiency problems.There are many topologies of high-gain converters that have been widely developed to overcome those problems,especially for solar photovoltaic(PV)power-system applications.In this paper,20 high-gain and low-power DC-DC converter topologies are selected from many topologies of available literature.Then,seven prospective topologies with conversion ratios of>15 are thoroughly reviewed and compared.The selected topologies are:(i)voltage-multiplier cell,(ii)voltage doubler,(iii)coupled inductor,(iv)converter with a coupled inductor and switch capacitor,(v)converter with a switched inductor and switched capacitor,(vi)cascading techniques and(vii)voltage-lift techniques.Each topology has its advantages and disadvantages.A comparison of the seven topologies is provided in terms of the number of components,hardware complexity,maximum converter efficiency and voltage stress on the switch.These are presented in detail.So,in the future,it will be easier for researchers and policymakers to choose the right converter topologies and build them into solar PV systems based on their needs.
