Results 11 to 20 of about 192,634 (311)

Efficiency of wave energy conversion into electric power: calculation results [PDF]

open access: yes, 2021
Object and purpose of research. The object of the study is the wave energy converters (WEC) into electric power. The purpose of the study is to draw up a differential equation describing the operation of the WEC, its solution and determination for the ...
Viktor N. Anosov
core   +1 more source

Can conversion of CO2 into fuels via electrochemical or thermochemical reduction be energy efficient and reduce emissions? [PDF]

open access: yes, 2022
Electrochemical and thermochemical conversion of CO2 into fuels are significant carbon conversion technologies to mitigate carbon emissions. Based on the captured CO2, many previous studies carried out tech-economic and environmental analyses for the CO ...
Yang, Dongtai   +3 more
core   +1 more source

Guest Editorial Joint Special Section on Power Conversion & Control in Photovoltaic Power Plants [PDF]

open access: yes, 2022
S.159-160The papers in this special section focus on power conversion and control in photovoltaic power plants. The power grid is undergoing significant changes with the rapid adoption of renewable energy.
Liserre, M.   +26 more
core   +1 more source

Modeling of multi-junction solar cells for maximum power point tracking to improve the conversion efficiency [PDF]

open access: yes, 2017
This paper presents the basic principles of solar cells/ panels and explores its different models, such as single and double diode models. The main purpose of this research is to confirm that the principle of multi-junction solar cell (MJSC) operation to
Wang, Zhe   +7 more
core   +1 more source

A light-driven turbine-like micro-rotor and study on its light-to-mechanical power conversion efficiency [PDF]

open access: yes, 2012
A light driven micro-rotor is a useful telecontrolled device free of mechanical contact for power supply. However, low efficiency in converting light to mechanical power detracts from its advantages because it incurs a high power consumption that might ...
胡国庆   +8 more
core   +1 more source

A High Efficiency Conversion System for Elevators [PDF]

open access: yes, 2007
A high efficiency conversion system based on supercapacitor energy recover and Power Factor Correction (PFC) is proposed for motion system, such as elevators.
G. TOMASSO   +7 more
core   +1 more source

Repeater Power Conversion Efficiency in Submarine Optical Communication Systems

open access: yesIEEE Photonics Journal, 2021
In power-limited trans-oceanic submarine systems, the electrical-to-optical (E/O) power conversion efficiency determines the amount of optical signal power generated by repeaters, which governs the cable capacity.
Xiaojun Liang   +2 more
doaj   +1 more source

Efficient resonant power conversion

open access: yesIEEE Transactions on Industrial Electronics, 1990
The DC analysis of a series-resonant converter operating above resonant frequency is presented. The results are used to analyze the current form factor and its effect on the efficiency. The selection of the switching frequency to maximize the efficiency is considered.
Valtchev, S.S. (author)   +1 more
openaire   +3 more sources

Construction of High Efficiency Heat to Power Conversion System [PDF]

open access: yes, 2005
From the viewpoint of effective use of energy, a Co-generation system (here after CGS) is considered as one of the significant strategies to achieve energy conservation. In recent year, CGS is introduced to low capacity and low heat to power ratio object
9000006330847   +30 more
core   +1 more source

Generator Design Considering Mover Action to Improve Energy Conversion Efficiency in a Free-Piston Engine Generator [PDF]

open access: yes, 2021
In a free-piston engine generator (FPEG), the power of the engine can be directly regenerated by linear generators without a crank. The mover motion of this system is interrelated with engine and power generation efficiencies due to the direct connection
Shoma Irie   +5 more
core   +1 more source

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