Results 51 to 60 of about 6,842 (163)

Geometric origin of coincidences and hierarchies in the landscape

, 2010
We show that the geometry of cutoffs on eternal inflation strongly constrains predictions for the timescales of vacuum domination, curvature domination, and observation.
Ben Freivogel, J. Maldacena, Raphael Bousso, Stefan Leichenauer, Vladimir Rosenhaus   +4 more
core   +2 more sources

Enhance the Output Power of a Shaded Solar Photovoltaic Arrays with Shade Dispersion based TCT Configuration [PDF]

, 2021
Partial shading has a negative impact on the performance parameters of a Solar Photovoltaic (PV) array, because it shades certain panels while leaving others un-shaded.
Bala Raju, V, Chengaiah, Ch
core   +1 more source

Enhancing PV Power Extraction Under Partial Shading Condition with Shade Dispersion Strategy

Diyala Journal of Engineering Sciences
Improving photovoltaic (PV) system efficiency is a popular field of research. Partial shading (PS) adversely impacts the solar system's output power, which considerably reduces the system's efficiency.
Parween R. Kareem, Husniyah Jasim, Fattah H. Hasan, Sameer Algburi   +3 more
doaj   +1 more source

Cabling Constraints in PV Array Architecture: Design, Mathematical Model and Cost Analysis

IEEE Access, 2020
In this article, cabling constraints of different photovoltaic (PV) configurations is addressed in three steps: 1) a cable selection criterion is developed in accordance with metric system defined by American Wire Gauge (AWG); 2) a mathematical model is ...
Fahad Usman Khan, Ali Faisal Murtaza, Hadeed Ahmed Sher, Kamal Al-Haddad, Faisal Mustafa   +4 more
doaj   +1 more source

Photovoltaic Array Reconfiguration System for Maximizing the Harvested Power Using Population-Based Algorithms

IEEE Access, 2020
Massive infiltration of photovoltaic (PV) systems into electric supply networks creates numerous challenges in the present era, as the PV systems become an alternative to non-renewable energy resources.
Thanikanti Sudhakar Babu, Dalia Yousri, Karthik Balasubramanian   +2 more
doaj   +1 more source

Computation of Power Extraction From Photovoltaic Arrays Under Various Fault Conditions

IEEE Access, 2020
Photovoltaic (PV) faults such as partial shading, bypass-diode defects, degradation of PV modules, and wiring issues greatly affect the power output and cause various peaks in P-V curves of a PV system.
Azhar Ul-Haq, Rashid Alammari, Atif Iqbal, Marium Jalal, Saba Gul   +4 more
doaj   +1 more source

Game theory based strategy to reconfigure PV module arrangements for achieving higher GMPP under PSCs: Experimental feasibility

Energy Reports, 2022
Due to shading conditions, solar photovoltaic (PV) arrays deliver less power compared to ideal operating conditions. Moving clouds, nearby telecom towers, and trees, among other things, are the basic causes that come under partial shading conditions ...
Rupendra Kumar Pachauri, Saad Motahhir, Ankur Kumar Gupta, Madhu Sharma, Ahmad Faiz Minai, M. Shamim Hossain, Abdulsalam Yassine   +6 more
doaj   +1 more source

A Static Kropki Puzzle Pattern‐Based Shade Dispersion Technique for a Partially Shaded Photovoltaic Array

Energy Science & Engineering
Partial shading is crucial in reducing the performance of the photovoltaic (PV) array. The static reconfiguration is a viable option for alleviating the partial shading. The scattering of shade relies on its puzzle pattern.
Palpandian Murugesan, Hariharasudhan Thangaraj, Praveen Kumar Balachandran, Muhammad Ammirrul Atiqi Mohd Zainuri   +3 more
doaj   +1 more source

Managerial satisfaction with subsidiary performance; the influence of the parent MNE's capabilities and the subsidiary's environment [PDF]

, 2005
Multinational enterprise performance is one of the most researched topics in the strategic management literature over the last thirty years. Despite the proliferation of studies, the dispute over the relation between firms’ international investment ...
Dikova, Desislava,, Witteloostuijn, Arjen van,   +1 more
core   +1 more source

Mathematical analysis of interconnected photovoltaic arrays under different shading conditions

Cogent Engineering, 2018
A comprehensive mathematical analysis of interconnected photovoltaic arrays under different shading conditions (opacity) and patterns (column, row, diagonal and corner) has been carried out in this work.
S.N. Nnamchi, C.O.C. Oko, F.L Kamen, O.D. Sanya   +3 more
doaj   +1 more source