Results 211 to 220 of about 46,743 (248)

Power loss in photovoltaic arrays due to mismatch in cell characteristics

Solar Energy, 1979
Abstract Variations in the current-voltage characteristics of photovoltaic cells can lead to significant power loss “due to mismatch” when the cells are connected together in a network. This study explores how this mismatch loss depends on variations in max-power current and max-power voltage from cell to cell. An analysis of a series string is first
exaly   +2 more sources

Module mismatch loss and recoverable power in unshaded PV installations

2012 38th IEEE Photovoltaic Specialists Conference, 2012
Distributed electronics which optimize power in PV systems have the potential to improve energy production even under unshaded conditions. This work investigates the extent to which mismatch in the unshaded electrical characteristics of PV panels causes system-level power losses, which can be recovered in arrays employing power optimizers.
Chris Deline, Robert Erickson
exaly   +2 more sources

Analysis and control of mismatch power loss in photovoltaic arrays

Progress in Photovoltaics: Research and Applications, 1995
AbstractConnecting photovoltaic cells to form an array can cause problems when the characteristics of the cells are not matched. This problem, known as mismatch, can reduce the power output of the array and lead to cell degradation through localized heating of individual cells. Such problems can arise simply through the shading of a single cell.
David Roche, Hugh Outhred, R. John Kaye
openaire   +1 more source

Analysis Model of Mismatch Power Losses in PV Systems

Journal of Solar Energy Engineering, 2009
A novel procedure to extract and analyze the power losses, mainly due to mismatch effects, in a photovoltaic (PV) system is presented. The developed model allows the extraction of the main PV module and PV array parameters from I-V characteristics, as well as in dynamic behavior under real conditions of work.
A. Chouder, S. Silvestre
openaire   +1 more source

Forecasting photovoltaic array power production subject to mismatch losses

Solar Energy, 2010
The development of photovoltaic (PV) energy throughout the world this last decade has brought to light the presence of module mismatch losses in most PV applications. Such power losses, mainly occasioned by partial shading of arrays and differences in PV modules, can be reduced by changing module interconnections of a solar array. This paper presents a
Picault, Damien, Raison, Bertrand, Bacha, Seddik, de La Casa, Juan, Aguilera, Jorge   +4 more
openaire   +2 more sources

Interconnection Topologies for Floating Photovoltaic System to Enhance the Power Output by Reducing the Mismatch Losses

2022 IEEE PES 14th Asia-Pacific Power and Energy Engineering Conference (APPEEC), 2022
Floating photovoltaic (FPV) systems are the global trend in solar power generation technology with the added advantage of reducing the water crisis in this climate change. The automatic cooling effect maintaining the panel temperature increase the energy output from these water-based PV systems compared to land-based systems.
Ravichandran N., Andreotti A., Pagano M., Di Pasquale A., Volpe F.   +4 more
openaire   +2 more sources

Mismatch loss analysis of solar array output power on stratospheric airship during flight

Chinese Journal of Aeronautics
Kangwen Sun, Haoquan Liang, Chuan Shan   +2 more
exaly   +2 more sources

Mitigation of power mismatch losses and wiring line losses of partially shaded solar PV array using improvised magic technique [PDF]

IET Renewable Power Generation, 2019
This study presents the new interconnection scheme for solar photovoltaic (PV) modules to mitigate the power mismatch and wiring line losses employing improvised magic technique (IMT). The proposed interconnection scheme provides improved power enhancement compared to conventional total cross tied (TCT) technique.
Namani Rakesh, G Madhusudanan
exaly   +2 more sources

Impact of losses and mismatches on power and efficiency of Wireless Power Transfer Systems with controlled secondary-side rectifier

Integration, 2016
Abstract In this paper an effective model for the power and efficiency analysis of Wireless Power Transfer Systems (WPTSs) is proposed. Such enhanced model includes modulation of duty-cycle and phase-shift for the secondary side controlled rectifier, as well as power losses of semiconductor devices and parameters mismatches of resonant elements.
DI CAPUA, GIULIA, FEMIA, Nicola, Lisi, Gianpaolo   +2 more
openaire   +3 more sources

Reduction of mislead power and mismatch power loss under partial shading conditions using novel square matrix shade dispersion technique

Solar Energy, 2020
Abstract Generated output power from SPV array decreases drastically during Partial Shading (PS) conditions. Due to PS, multiple peaks arises in P-V and I-V characteristics of SPV array, instead of single Global Maximum Power Point (GMPP) peak. Such multiple peaks make it difficult to track GMPP.
S Rajanna
exaly   +2 more sources