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Record W4283034410 · doi:10.24018/ejenergy.2022.2.3.63

Impact of Capacity Shortage on The Feasibility of PV-Wind Hybrid Systems in Africa

2022· article· en· W4283034410 on OpenAlexaff
Abdellah Benallal, N. Cheggaga, A. Ilinca

Bibliographic record

VenueEuropean Journal of Energy Research · 2022
Typearticle
Languageen
FieldEnvironmental Science
TopicEnergy and Environment Impacts
Canadian institutionsUniversité du Québec à Rimouski
Fundersnot available
KeywordsSizingEconomic shortageRenewable energySensitivity (control systems)Electric power systemWind powerReliability engineeringGridHybrid systemPhotovoltaic systemAutomotive engineeringComputer scienceEnvironmental economicsPower (physics)Environmental scienceEngineeringElectrical engineeringEconomicsMathematicsElectronic engineering

Abstract

fetched live from OpenAlex

Reliable optimization of renewable energy system is the one that balances between electrical sizing of the system components in order to satisfy the load and the cost of that system. This techno-economic optimization can be assured by HOMER software through some sensitivity parameters such as capacity shortage. For Saharan villages in Africa, it is required to install off-grid power systems with low cost. To fulfill this requirement, is it necessary to avoid the over-sizing of system due to high and short peaks of load, so the optimization of PV-wind hybrid system on this article is done with sensitivity analysis of the system for different capacity shortage rates. The only rates that do not exceed the mean values of electrical outage of Algeria are 0 % and 0.5 %, and HOMER had favorited the optimal system with 0.5 % of capacity shortage due to the 18 % gain in total cost of system and the energy cost. The results achieved on this article encourage on techno-economical optimizing PV-wind hybrid systems with acceptable capacity shortage and electrical outage rates for a better economic feasibility in Saharan villages.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

How this classification was reachedexpand

Full frame distilled prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.

metaresearch head score (Codex)0.010
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesInsufficient payload (model declined to judge)
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Observational · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.889
Threshold uncertainty score0.999

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0100.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.000
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0010.000
Research integrity0.0000.001
Insufficient payload (model declined to judge)0.0020.000

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.155
GPT teacher head0.322
Teacher spread0.167 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Classification

machine, unvalidated

Machine predicted; a candidate call from one teacher head, not a consensus.

Study designObservational
Domainnot available
GenreEmpirical

How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".

Quick stats

Citations2
Published2022
Admission routes1
Has abstractyes

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