Results 11 to 20 of about 262 (170)
Uphill production of dihydrogen by enzymatic oxidation of glucose without an external energy source [PDF]
Nature Communications, 2018 Most chemical reactions proceed downhill without external energy input. Here, authors employ an electronic flyback and a boost converter to store energy and spontaneously drive an uphill reaction.
Emmanuel Suraniti +7 more
doaj +2 more sources
A Power Conversion Technique with Hierarchical Equalization Charging Topology for LiFePO4 Batteries [PDF]
Micromachines, 2021 An energy-storage scheme with hierarchical equalization charging topology applied in a series-connected battery system is proposed in this paper. The proposed hierarchical equalization charging topology (HECT), which combines an equalizer-within module ...
Kuo-Ching Tseng +2 more
doaj +2 more sources
Boost–flyback converter with interleaved input current and output voltage series connection
IET Power Electronics, 2018 This study proposed a high‐gain dc–dc converter with an interleaved current at the input stage and voltage series connection at the output stage. This converter was designed based on the boost–flyback topology, which has as main characteristic high voltage gain.
Sérgio Luis Brockveld, Gierri Waltrich
exaly +2 more sources
IET Power Electronics, 2021 An isolated high step‐up converter is proposed for renewable energy sources with low voltages, such as photovoltaic (PV) cells of solar energy and fuel cells of hydrogen energy, to achieve high voltage levels for series‐connection batteries and DC‐bus ...
Kuo‐Ching Tseng +2 more
doaj +1 more source
International Transactions on Electrical Energy Systems, 2022 This paper presents a newly designed modified multiport interleaved flyback converter (MMPIFC) to transfer the photovoltaic (PV) power to the DC bus of the parallel-connected multilevel inverter-based shunt active power filter (SHAPF).
Radhamani Rajakkannu +1 more
doaj +1 more source
An Active-Clamp Forward Inverter Featuring Soft Switching and Electrical Isolation
Applied Sciences, 2020 Traditional photovoltaic (PV) grid-connection inverters with sinusoidal pulse-width modulation (SPWM) control suffer the problem of buck-typed conversion.
Chien-Hsuan Chang +3 more
doaj +1 more source
Isolated Flying Capacitor Multilevel Converters
IEEE Open Journal of Power Electronics, 2022 This paper presents the topology known as the isolated flying capacitor multilevel flyback converter (FCMFC). The topology uses isolated flying capacitors (FC) for high-gain, DC-DC power conversion while maintaining primary-secondary isolation and ...
Santino F. Graziani +2 more
doaj +1 more source
Large-signal input characteristics of selected DC–DC switching converters, Part II. Discontinuous conduction mode [PDF]
Archives of Electrical Engineering, 2020 Large-signal input characteristics of three DC–DC converter types: buck, boost and flyback working in the discontinuous conduction mode (DCM), obtained by precise large signal PSpice simulations, calculations based on averaged models and measurements are
Włodzimierz Janke +3 more
doaj +1 more source
Archives of Electrical Engineering, 2014 The paper treats about main problems of one phase DC-AC microinverters that allow single solar cell to be joined with the grid. One of the issues is to achieve high voltage gain with high efficiency in DC circuit, which is necessary for proper operation ...
Kawa Adam +2 more
doaj +1 more source
Mokslas: Lietuvos Ateitis, 2016 In this paper the investigation results of a boost Flyback convert-er, which is used in a micro-inverter, are presented. The efficien-cy characteristics of the converter at various carrier frequencies and output loads were investigated.
Edvardas Bielskis +2 more
doaj +1 more source