Results 81 to 90 of about 661,092 (209)

Comparison between the conventional methods and PSO based MPPT algorithm for photovoltaic systems [PDF]

open access: yes, 2014
Since the output characteristics of photovoltaic (PV) system depends on the ambient temperature, solar radiation and load impedance, its maximum power point (MPP) is not constant. Under each condition PV module has a point at which it can produce its MPP.
Koad, RBA, Zobaa, AF
core  

A Hybrid RBFNN-PI MPPT Controller for Optimal Energy Harvesting in PV Systems under Changing Environmental Conditions

open access: yesRevue des Énergies Renouvelables
Traditional maximum power point tracking (MPPT) techniques often struggle to adapt to unpredictable weather variations, limiting their efficiency under dynamic environmental conditions (irradiance and temperature).
Layachi Zaghba   +3 more
doaj   +1 more source

PV Sistemin İçin Maksimum Güç Noktası İzleyicisi Tasarımı ve Uygulaması

open access: yesDüzce Üniversitesi Bilim ve Teknoloji Dergisi, 2016
PV sistemin çıkış gücü, güneş ışınlarının panel yüzeyiyle yaptığı açı ve panel sıcaklığı ile değişim göstermektedir. PV panellerde akım gerilim karakteristiklerinin doğrusal olmaması bu kaynağın enerji üretiminde verimi düşürmektedir.
Ercan Kurak   +2 more
doaj  

Photovoltaic power modules for NASA's manned space station [PDF]

open access: yes
The capability and the safety of manned spacecraft are largely dependent upon reliable electric power systems. Two similar space power systems able to survive the low Earth orbit environment, are being considered for NASA's Manned Space Station (SS ...
Tatro, Charles A.
core   +1 more source

Effect of Overflowing by Seawater on the Power of a Ship’s Photovoltaic Panels under Extensive Sea Waves

open access: yesPolish Maritime Research
Since the International Maritime Organization has paved the way towards zero emissions, more frequent applications of transition fuels in newly constructed ships have been observed.
Zeńczak Wojciech, Zapałowicz Zbigniew
doaj   +1 more source

Verification of an in Process Optical System based on High Resolution Interferometry for Detecting Flexible PV Barrier Films Defects [PDF]

open access: yes, 2014
The relationship between surface morphology, defects density and water vapor permeability of aluminium oxide (Al2O3) barrier coating on polyethylene naphthalate (PEN) films, used particularly to prevent water vapor and/or oxygen ingress into flexible ...
Blunt, Liam   +4 more
core  

Measuring Nuclear Spin Dependent Parity Violation With Molecules: Experimental Methods and Analysis of Systematic Errors

open access: yes, 2018
Nuclear spin-dependent parity violation (NSD-PV) effects in atoms and molecules arise from $Z^0$ boson exchange between electrons and the nucleus, and from the magnetic interaction between electrons and the parity-violating nuclear anapole moment. It has
Altuntas, Emine   +3 more
core   +1 more source

Optimization of stand-alone photovoltaic system by implementing fuzzy logic MPPT controller [PDF]

open access: yes, 2013
A photovoltaic (PV) generator is a nonlinear device having insolation-dependent volt-ampere characteristics. Since the maximum-power point varies with solar insolation, it is difficult to achieve an optimum matching that is valid for all insolation
Hashim, Mokhtar
core  

Understanding innovation system build up: The rise and fall of the Dutch PV Innovation System [PDF]

open access: yes
Renewable energy technologies have a hard time to break through in the existing energy regime. In this paper we focus on analysing the mechanisms behind this problematic technology diffusion.
Marko Hekkert   +3 more
core  

Case study 2. Model validation using existing data from PV generation on selected New Zealand schools [PDF]

open access: yes, 2015
Solar energy is abundant, free and non-polluting. Solar energy can offset the consumption of fossil fuels, greenhouse gas emission reduction targets and contribute to meeting the fast-growing energy demands.
Sakdiseth, Samanant
core  

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