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This paper examines the conditions under which the externalities of capitalist energy development become meaningful in Mapuche territory in Chile. I describe two deaths that occurred outside the construction site of the Malleco Wind Farm and analyze how different actors struggled to make sense of them, establish them as eventful, and identify different actors as responsible. One, the death of a local motorcyclist in a traffic collision with employees of the wind farm company, became an accident in official framings. The other, the death of a police officer in the context of police repression of the ensuing protests, was framed as the result of "terrorist" violence. Theoretically, I consider the notion of eventfulness and argue that, in the space constructed as the "Southern Macrozone", certain spectacular forms of eventfulness foreground moments of violent conflict between Mapuche and the state, occluding routine forms of violence involving corporate actors. These dynamics, I argue, are exacerbated by the elusive form of the modern corporation. In the context of the settler-colonial conflict, then, capitalist corporations effectively fade into the background as actors in what appears to be a conflict between irrational "terrorist" violence and the state. [ABSTRACT FROM AUTHOR]

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The ruling of the Superior Court of Justice of Asturias on June 10, 2024 resolves an administrative dispute regarding the denial of authorization for the Teixo Wind Farm in Taramundi. The appealing company challenges the decision based on a negative urban planning report, arguing that the installation of wind energy is of higher public interest. The Court determines that the municipal report is only binding on urban planning aspects and that the completion of the procedure for urban planning reasons is legitimate. The contested resolution is annulled and the procedure is ordered to be reverted to address deficiencies and consider the presumption of higher public interest for renewable energies. [Extracted from the article]

The article analyzes the Judgment of the Superior Court of Justice of Navarra dated May 22, 2024, which deals with an administrative contentious appeal against an unfavorable Environmental Impact Statement for a wind energy project in Navarra. The company promoting the project requested the annulment of the order and the reversal of actions to issue a new favorable Environmental Impact Statement. The judgment dismissed the appeal, arguing that the Environmental Impact Statement is not directly appealable and must be challenged together with the final resolution of the project. [Extracted from the article]

Micro wind power generation through vertical axis wind turbines for low wind velocity in the department of Santander, Colombia, is viable due to the physical characteristics of the region. However, there are crucial factors for the development of a turbine for the region such as turbine typology, robustness, aspect ratios, etc. For this reason, it is a good practice to perform simulations through computational fluid dynamics (CFD) to predict the performance of the turbine in operation. In this context, an analysis of six configurations of a Darrieus-type VAWT turbine with the asymmetric profile DU06W200 and straight blades, which were obtained by an algorithm considering the factors mentioned above was carried out. The height-diameter ratios to be analyzed were 0.25 (with chord lengths of 0.117 and 0.173 m), 0.4 (with chord lengths of 0.0929 and 0.137 m) and 1 (with chord lengths of 0.0587 and 0.0864 m). It can be concluded that with a ratio of 0.25 and a rope length of 0.173 m, it is possible to obtain an average Power Coefficient of 0.31, which is an outstanding value due to the low wind velocity of the region of interest. [ABSTRACT FROM AUTHOR]

The best use of wind energy sources is based on two fundamental aspects: 1) choosing a suitable site with high wind potential and low turbulence, 2) selecting the appropriate equipment to achieve the most efficient use of the wind potential over a long period with adequate maintenance and repairing regimes. This study aims to describe procedures for selecting a wind turbine among several prototypes, so that based on energetic and economic criteria; the best use of wind potential of a prospective location is achieved. For applying the procedure, Colina Cuatro locality located by northwest of Moa city, Holguín province, was used as a case study. As a result, this study presents and contextualizes basic procedures and formulas for economic evaluation to electrical energy production projects from the electricity to kinetic energy wind. For Colina Cuatro locality, a 2D mesh model of FC and FA values of Bonus 2 MW wind turbine for hg=60m was determined in Playa la Vaca region, and NEG-Micon 1650/82 IECIII (1 650 kW) was defined the best wind turbine with hg=90 m, FC=33.11% height of cube and FA=50.71%. Its Ela value =4 785.17 MWh/m2•a. [ABSTRACT FROM AUTHOR]

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Copyright of Revista de Estudios de la Administración Local y Autonómica is the property of Instituto Nacional de Administracion Publica and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Journal of Latin American & Caribbean Anthropology is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

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This work aims at coupling computational fluid dynamics (CFD) and modal analysis (FEM) to simulate energy harvesting of wind loads to produce electrical energy by piezoelectric effect. To complement this objective, CFD-FEM simulation was performed by means of SolidWorks® 2021 add-ins, starting from the generation of the virtual model, computational domain definition, and imposition of wind loads, boundary conditions, and model discretization, by means of a mesh comprising a total of 84 709 nodes and 50 157 high order quadratic elements of 1 mm size and finally a mesh calibration was performed. The results showed that the section near the clamping base concentrated the highest pressures, regardless of the simulated velocity (3 to 21 m/s). The maximum velocity caused a pressure over the impact zone of 101 716 Pa, a relative pressure of 391.75 Pa, and shear stress of 4.78 Pa. The natural frequencies of vibration using the CFD output, range from 69 to 99 Hz. The direction of wind action is defined as the direction of piezoelectric placement, specifically near the base where the maximum effective voltage output (6.79 V) is obtained which, with an external resistance of 10 and 20 MO, produces an electrical power of 4.62 and 2.31 µW, respectively. [ABSTRACT FROM AUTHOR]

Bird populations are declining globally. Wind and solar energy can reduce emissions of fossil fuels that drive anthropogenic climate change, yet renewable‐energy production represents a potential threat to bird species. Surveys to assess potential effects at renewable‐energy facilities are exclusively local, and the geographic extent encompassed by birds killed at these facilities is largely unknown, which creates challenges for minimizing and mitigating the population‐level and cumulative effects of these fatalities. We performed geospatial analyses of stable hydrogen isotope data obtained from feathers of 871 individuals of 24 bird species found dead at solar‐ and wind‐energy facilities in California (USA). Most species had individuals with a mix of origins, ranging from 23% to 98% nonlocal. Mean minimum distances to areas of likely origin for nonlocal individuals were as close as 97 to >1250 km, and these minimum distances were larger for species found at solar‐energy facilities in deserts than at wind‐energy facilities in grasslands (Cohen's d = 6.5). Fatalities were drawn from an estimated 30–100% of species' desingated ranges, and this percentage was significantly smaller for species with large ranges found at wind facilities (Pearson's r = −0.67). Temporal patterns in the geographic origin of fatalities suggested that migratory movements and nonmigratory movements, such as dispersal and nomadism, influence exposure to fatality risk for these birds. Our results illustrate the power of using stable isotope data to assess the geographic extent of renewable‐energy fatalities on birds. As the buildout of renewable‐energy facilities continues, accurate assessment of the geographic footprint of wildlife fatalities can be used to inform compensatory mitigation for their population‐level and cumulative effects. [ABSTRACT FROM AUTHOR]

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Hydrogen as an energy vector can provide energy in applications from low to large scale and contributes to the promotion of renewable energies as low-carbon emission alternatives. This paper presents a literature review on hybrid green hydrogen systems. It was found that 23% of the articles review different methodologies and comparisons of hydrogen technologies, 15% present technical, economic and environmental analyses of hydrogen-based systems and projects. Fifty-three percent of the reviewed articles focus on artificial intelligence methodologies and use of commercial software for sizing, energy management and optimization of these models on hybrid renewable energy systems with a high focus on off-grid systems. The potential for simulation models to be developed on this topic is quite large because of the decarbonization brought by hydrogen. The models should consider additional aspects of the entire hydrogen value chain to have a complete vision of its development in Colombia, taking into account the development opportunities in the framework of different energy scenarios. [ABSTRACT FROM AUTHOR]

In the face of a scenario marked by environmental degradation caused by the disorderly use of natural resources, wind energy emerges as a way to pursue development while simultaneously preserving natural resources, without compromising the well-being of current and future generations. Thus, this article aims to conduct an analysis of the evolution and generation of wind energy on a global and national scale, as well as to present the configuration of their electrical matrix, identifying the major wind energy producers. The data indicate that in recent decades, the generation of electrical energy from wind sources has shown vigorous and dynamic growth worldwide. China, in turn, leads the global wind generation scene both onshore and offshore, with Brazil ranking sixth in global production in 2022. Brazil is considered a reference globally due to renewable sources having composed its electrical matrix for many years, with wind energy strongly established in the Northeast of the country a region favored by strong and persistent winds annually. Therefore, it is evident that the wind energy sector has the potential to contribute to the energy transition, reduce socio-environmental disturbances caused by the greenhouse effect, and enhance energy security through reliance on clean energy. [ABSTRACT FROM AUTHOR]

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Copyright of Sustainability in Debate / Sustentabilidade em Debate is the property of University of Brasilia, Center for Sustainable Development and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Sustainability in Debate / Sustentabilidade em Debate is the property of University of Brasilia, Center for Sustainable Development and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

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The unbridled consumption of energy in modern society has motivated the growth and search for renewable energies in modern society has motivated the growth and search for renewable energies. Among the various forms of clean energy generation, one of the forms has gained prominence on the world scene: wind energy. The use of energy from the wind is not recent, in antiquity, this form of energy was already used in windmills. Recently, wind energy has gained space on the world stage due to the search for replacing fossil fuels with clean energy. The students of the Mechanical Engineering and Electrical Engineering courses at Universidade Federal de Santa Maria - Campus Cachoeira do Sul (UFSM-CS) developed a proposal for teaching Physics based on the construction of a MOCK-UP with a wind energy generation system due to the importance of this form of renewable energy generation. The wind power generation educational mock-up was presented at the 1st Science, Technology and Innovation Fair at UFSM-CS. [ABSTRACT FROM AUTHOR]

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Copyright of Ingeniería (0121-750X) is the property of Ingenieria and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

So-called development projects in rural Mexico are heavily contested. Changes in institutional design have had little effect in mediating the exclusivity of the political decision-making processes defining such projects. Why, and how, has the Mexican state been able to maintain a developmentalist agenda, despite growing pressures to incorporate participatory development institutions and consult Indigenous peoples about development projects? This article introduces the geographic concept of scale and the concept of the state’s heterogeneous selectivities into debates on participation to study the politics of development projects. It analyzes the potential and existing obstacles to political participation for Indigenous networks and activists in the corresponding planning processes across institutional scales, examining protest against wind energy development in the state of Oaxaca and the project of “rural cities” in the state of Chiapas. Rather than two separate cases for comparison, both examples represent different planning processes involving the same heterogeneous state and the same promise of progress. [ABSTRACT FROM AUTHOR]

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This article, which is part of the debate on Communication and Environment, analyses reasons for the scarce coverage, with a predominantly economic bias, on wind energy produced by the main potiguar newspaper Tribuna do Norte, between January 2003 and January 2004. This period was a milestone for media planning on the topic due to social, economic, and environmental expectations related to the opening of the first wind farm in the state of Rio Grande do Norte, currently the largest producer of this type of energy in Brazil. The State was moving towards production of sustainable energy, which is why we sought to understand the context in which the theme gained visibility due to its environmental relevance for the country. The methodological path chosen was based on Critical Discourse Analysis (FAIRCLOUGH, 1989, 1995, 2001), represented by "Discursive Practice" and "Sociocultural Practice". [ABSTRACT FROM AUTHOR]

Introducing renewable non-dispatchable energy sources such as wind and solar (PV) into a power system can cause frequency deviation problems in steady-state operation scenarios. These problems are mainly related to their inherent variability and the characteristics of the grid they are connected to. These problems can be amplified in isolated power systems. This research consists in calculating the maximum value of wind and solar PV that can be connected in an isolated power system while maintaining the frequency deviation values within standard limits. An algorithm based in Monte Carlo simulations was developed to fulfil this objective. The results obtained using the described algorithm show that, in an isolated power system, renewable power values increase, frequency deviations also increase, eventually failing to comply with grid code regulations. Results also show that introducing a properly sized energy storage helps decreasing out-of-limits frequency deviations, complying with the grid code regulations. [ABSTRACT FROM AUTHOR]

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Copyright of Sustainability in Debate / Sustentabilidade em Debate is the property of University of Brasilia, Center for Sustainable Development and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Objective of the study: To investigate through technological prospecting patents in the generation of wind energy within urban environments, aiming to generate new options for the transition of electrical energy through a clean and sustainable matrix, meeting concepts of smart cities. Methodology: The study was carried out in a relevant patent base, such as in journals, observing the volume of patents in the technological area of interest in an exploratory nature, with a prospective objective, for an evaluation in technological intelligence. Main results: In the volume of technologies for wind power generation, which are possible within urban areas, there is a quantitative yet reduced amount of possible generators for use in urban areas, contrasted to traditional technologies already explored, able to meet the objective of the study, which is to identify opportunities for the transition of electric power through a clean and sustainable matrix, meeting concepts of smart cities, generating new business models and therefore in unfolding new developments. Theoretical/methodological contributions: It contributes with studies based on technological intelligence that generate opportunities for a deeper analysis of available technologies for this replacement in our energy matrix since Brazil is a protagonist in Latin America in wind power generation. Contributions of the association/management: This research contributes to the study and use of new opportunities for wind power generation within urban areas with lower socio-environmental impact and business generation in a domestic environment. [ABSTRACT FROM AUTHOR]

The use of wind resources has always gone hand in hand with high wind speeds in open fields. This paper develops the decisions to be taken for the selection, installation, and connection of small wind turbines in peri-urban environments, where wind speeds are medium or low. The guidelines are detailed throughout the document, starting with the study of the wind resource, the selection of the turbine, installation, and real-time monitoring of production for integration into a micro power grid. The installation of small wind systems in places as close as possible to the point of demand makes it possible to achieve a reduction in the cost of the electricity bill. This is thanks to the instantaneous control of generation and demand at a particular level through the installation of software, in this case, Home Assistant. The novelty of this paper is the use of this software Home Assistant to integrate of a small wind turbine in a microgrid and its control system. [ABSTRACT FROM AUTHOR]

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Copyright of Muuch' Xiimbal. Caminemos Juntos is the property of Universidad La Salle and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Renewable energies are currently considered as a tool for mitigating climate change. Therefore, wind energy corresponds to one of the methods that provides energy in a clean way, using different models of wind turbines, allowing to identify strategic points from obtaining variables such as wind speed, location, and models, through the which can reduce the negative impact generated by conventional energies. Therefore, to properly take advantage of this type of energy it is important to identify the municipalities that meet the appropriate speed ranges, in addition to the analysis of the area that allows establishing the appropriate generators so as not to alter the balance of the ecosystem contributing to environmental mitigation, partne r - economical. [ABSTRACT FROM AUTHOR]

The search for sustainable and sustainable actions, points its efforts in the use of renewable energies. Wind energy is one of these, which are used in different parts of the world; Europe has appropriated its use by strengthening the value chain. Colombia is embarking on its implementation, but it is in the initial phase. In Quindío, there are no references for the use of wind energy. This project proposes to design and build a vertical type wind turbine to generate electrical energy in Tecnoacademia in Armenia; implement a software for the physical modeling of air flow, turbulence, heat transfer, that allow the industrial applications of the prototype, extending its usability to the business sector of the region. [ABSTRACT FROM AUTHOR]

The Superior Court of Justice of Galicia has dismissed an administrative appeal against Decree 242/2007 of the Ministry of Innovation and Industry of the Xunta de Galicia, which regulates the use of wind energy in the region. The appeal argued several reasons, such as the lack of strategic environmental assessment and the absence of an economic report on the project of the regulation. However, the Court considered that all provisions of the Decree are legal and in accordance with applicable regulations. This type of challenges are common in the wind energy sector and usually based on the lack of environmental assessment and economic report. [Extracted from the article]

According to the North American and European bibliography, the lack of elements of procedural justice is the cause of negative opinions about wind energy. This paper discusses the responses of three communities in Ceará (Amarelas, Patos and Maceió), based on the application of questionnaires (n= 310) that assessed participation in public hearings, trust, access to information and decision-making power. The results showed little participation in the implementation of wind farms. Only Patos had good confidence in the information (82.3%) and had decision-making power, however, there was low satisfaction for accessing this information. Participation in public hearings was contested in Amarelas (89.8%) and fraud in hearings was pointed out in Maceió. In contrast, Amarelas had a high acceptance of the wind farm (76.9%), and only Maceió had strong opposition (82.4%). Amarelas' results confirmed the lack of interaction among communities, company, andState, however, support without justice can be associated with the lack of a participatory culture encouraged by public and private agents. In Patos, involvement garnered greater support. In Maceió, the context of land struggle and external links stimulated opposition and highlighted internal organization. Heterogeneity among the indicators of participatory justice reflects new nuances for the opposition to wind power in Brazil. [ABSTRACT FROM AUTHOR]

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Copyright of Revista Fuentes, El Reventón Energético is the property of Universidad Industrial de Santander and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

The growing interest in wind energy is proven by the increasing cumulative capacity of wind turbines installed around the world. This article presents the experimental study of a wind energy conversion system using a very specific alternative current generator that differs from the doubly fed induction generator (DFIG), or the permanent magnet synchronous generator (PMSG). The generator that we recommend is similar to an Electrically Excited Synchronous Generator (EESG) mounted upside-down. It is equipped with a multipolar inductor stator supplied with direct current and a ring rotor by which it distributes the alternative electrical energy produced to the utility grid. The selectivity of a relatively low direct current injected into the multipolar stator can produce the voltage desired by the user at the terminals of the generator. This wound rotor alternative generator (WRAG) operates in synchronous mode. In addition, combined with power electronic interface (PEI) converters on the rotor side, WRAG can adapt the voltage produced to the frequency of the utility grid for a range of low wind speeds, without a gearbox. An experimental validation was performed on a 3 kVA machine, it is possible claim to be an intermediate solution to the PMSG and the DFIG with greater reliability in isolated sites and agricultural farms. [ABSTRACT FROM AUTHOR]

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