Results 21 to 30 of about 1,306,254 (312)

Soiling and other optical losses in solar-tracking PV plants in Navarra [PDF]

open access: yes, 2010
Field data of soiling energy losses on PV plants are scarce. Furthermore, since dirt type and accumulation vary with the location characteristics (climate, surroundings, etc.), the available data on optical losses are, necessarily, site dependent.
Luis Marroyo   +7 more
core   +1 more source

The structure of the park of power transformers with a higher voltage of 6-10 Kv on the example of the electric grid organization of the branch of pjsc «Rosseti center»-«Orelenergo», serving rural electric networks

open access: yesИзвестия высших учебных заведений: Проблемы энергетики, 2022
THE PURPOSE. Evaluation of the power transformer fleet 6-10/0,23-0,4 kV on the example of a branch of PJSC «Rosseti Center»-«Orelenergo».METHODS. In the work, based on the database of the branch of PJSC «Rosseti Center»-«Orelenergo», an analysis was made
A. A. Lansberg   +2 more
doaj   +1 more source

General Analytical Model of Magnet Average Eddy-Current Volume Losses for Comparison of Multi-phase PM Machines with Concentrated Winding [PDF]

open access: yes, 2014
this paper studies magnet eddy-current losses in permanent magnet (PM) machines with concentrated winding. First of all, space harmonics of magnetomotive force (MMF) and their influence on magnet losses in electrical machines are investigated.
LEGRANGER, Jerome   +2 more
core   +1 more source

Resource and Load Compatibility Assessment of Wind Energy Offshore of Humboldt County, California

open access: yesEnergies, 2020
Floating offshore wind is being considered in northern California as indicated by the Bureau of Ocean Energy Management’s issuance of a lease consideration in the Humboldt Call Area.
Christina Ortega   +4 more
doaj   +1 more source

Outputs: Potassium Losses from Agricultural Systems [PDF]

open access: yes, 2021
Potassium (K) outputs comprise removals in harvested crops and losses via a number of pathways. No specific environmental issues arise from K losses to the wider environment, and so they have received little attention. Nevertheless, K is very soluble and
Alfaro, M. A.   +6 more
core   +1 more source

Uso de diferentes aditivos em silagem de capim-elefante Use of different additive on elephant grass silage

open access: yesCiência e Agrotecnologia, 2008
Objetivou-se avaliar o uso de diferentes aditivos na ensilagem de Capim-Elefante. O delineamento experimental foi o inteiramente casualizado. Os tratamentos foram: T1(capim-elefante), T2 (capim-Elefante + 7% polpa cítrica), T3 (capim-elefante + 7% raspa ...
Adauton Vilela de Rezende   +5 more
doaj   +1 more source

CELKOVÁ EFEKTIVITA PRÁCE JAKO NÁSTROJ PRO MĚŘENÍ VÝKONNOSTI V DANÉM PODNIKU [PDF]

open access: yesACC Journal, 2022
Pro udržení konkurenceschopnosti je velmi důležité, aby společnost zvyšovala produktivitu svých výrobních zařízení, což lze sledovat pomocí ukazatele Celkové efektivity zařízení.
Brabec Zdeněk, Jáčová Helena
doaj   +1 more source

Analytical Model of Magnet Eddy-Current Volume Losses in Multi-phase PM Machines with Concentrated Winding [PDF]

open access: yes, 2012
Thanks to IEEE. The original PDF of the article can be found at: http://ieeexplore.ieee.org/xpl/login.jsp?tp=&arnumber=6342330&url=http%3A%2F%2Fieeexplore.ieee.org%2Fxpls%2Fabs_all.jsp%3Farnumber%3D6342330 MHYGALE, project managed by VALEO-EEMthis ...
Bassel Aslan   +5 more
core   +1 more source

Nano-Management of Linear Properties of Photonic Crystal Fibers

open access: yesCommunications, 2014
The array of nanometer air holes positioned in the core can significantly modify the properties of guided mode in photonic crystal fiber. Changing geometrical properties of nanometer holes enables tuning of fiber dispersion and the effective mode area ...
Daniel Kacik   +2 more
doaj   +1 more source

Welfare losses under Cournot competition [PDF]

open access: yes, 2008
In a market for a homogeneous good where firms are identical, compete in quantities and produce with constant returns, the percentage of welfare losses (PWL) is small with as few as five competitors for a class of demand functions which includes linear ...
Luis C. Corchón, Corchón, Luis C.
core   +1 more source

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