Results 41 to 50 of about 86,556 (300)

Power enhancement in PV arrays under partial shaded conditions with different array configuration

open access: yesHeliyon
Solar Photovoltaic systems are used for electrical power generation, and they provide an alternative source to non-renewable energy sources like coal, oil, natural gas and nuclear energy. Photovoltaic arrays used in PV systems may be subjected to partial
Sakthivel Ganesan   +3 more
doaj   +1 more source

PV array reconfiguration method under partial shading conditions

open access: yesInternational Journal of Electrical Power & Energy Systems, 2014
Abstract This paper proposes a new reconfiguration method for photovoltaic arrays under partial shading conditions. With the application the method, the array can produce higher power by reconfigured connections of array. In the proposed method, each row of an array is formed by connecting the panels with close short circuit current levels as ...
openaire   +2 more sources

Bounded-From-Below Solutions of the Hamilton-Jacobi Equation for Optimal Control Problems with Exit Times: Vanishing Lagrangians, Eikonal Equations, and Shape-From-Shading [PDF]

open access: yes, 2003
We study the Hamilton-Jacobi equation for undiscounted exit time control problems with general nonnegative Lagrangians using the dynamic programming approach.
Malisoff, Michael
core   +3 more sources

Numerical modeling, simulation and evaluation of conventional and hybrid photovoltaic modules interconnection configurations under partial shading conditions

open access: yesEPJ Photovoltaics, 2022
Partial shading on solar photovoltaic (PV) arrays is a prevalent problem in photovoltaic systems that impair the performance of PV modules and is responsible for reduced power output as compared to that in standard irradiance conditions thereby resulting
Saeed Faisal   +4 more
doaj   +1 more source

A hierarchical architecture for increasing efficiency of large photovoltaic plants under non-homogeneous solar irradiation [PDF]

open access: yes, 2019
Under non-homogeneous solar irradiation, photovoltaic (PV) panels receive different solar irradiance, resulting in a decrease in efficiency of the PV generation system.
Binh Doan Van   +8 more
core   +1 more source

Design a photovoltaic system based on maximum power point tracking under partial shading [PDF]

open access: yes, 2019
Photovoltaic systems have been given special attention given their long-term potential advantages. Solar panels can produce maximum power at specific operating points called maximum power points (MPP).
Ma’allin, Usama Abdullahi
core  

Entanglement universality of two-qubit X-states [PDF]

open access: yes, 2014
We demonstrate that for every two-qubit state there is a X-counterpart, i.e., a corresponding two-qubit X-state of same spectrum and entanglement, as measured by concurrence, negativity or relative entropy of entanglement. By parametrizing the set of two-
Galetti, Diógenes   +2 more
core   +2 more sources

Plecstatin inhibits hepatocellular carcinoma tumorigenesis and invasion through cytolinker plectin

open access: yesMolecular Oncology, EarlyView.
The ruthenium‐based metallodrug plecstatin exerts its anticancer effect in hepatocellular carcinoma (HCC) primarily through selective targeting of plectin. By disrupting plectin‐mediated cytoskeletal organization, plecstatin inhibits anchorage‐dependent growth, cell polarization, and tumor cell dissemination.
Zuzana Outla   +10 more
wiley   +1 more source

A Bayesian fusion technique for maximum power point tracking under partial shading condition

open access: yesSN Applied Sciences, 2021
Highlights A Bayesian fusion technique (BFT)-based MPPT technique is proposed for PV system The BFT technique takes the best tracking solution by proper decision making on input data uncertainties The proposed technique is tested under different ...
Ramesh Gugulothu, Bhookya Nagu
doaj   +1 more source

Opt: A Domain Specific Language for Non-linear Least Squares Optimization in Graphics and Imaging

open access: yes, 2016
Many graphics and vision problems can be expressed as non-linear least squares optimizations of objective functions over visual data, such as images and meshes.
Bernstein, Gilbert   +8 more
core   +1 more source

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