Agua y energía: producción hidroeléctrica en España

Marín, Cayetano Espejo; Marín, Ramón García

doi:10.14198/ingeo2010.51.05

Cited by 15 publications

(7 citation statements)

References 2 publications

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“…Data from [15] Hydropower is a consolidated technology in Spain with 20.3 GW of installed capacity [14] distributed among over 870 plants [16], and whose estimated potential reaches 33 GW [17]. However, large projects are not expected to be launched in the short or midterm [18], due to the lack of knowledge about available water resources (last evaluation was in 1980) [19] and the long periods required to process construction and operation licenses (6 years in average) [20]. Studies indicate a moderate development for the coming decades based on already existing infrastructures, through the implementation of water turbines in irrigation dams, retrofitting plants or renovating equipment.…”

Section: Spanish Electricity Systemmentioning

confidence: 99%

Energy storage in Spain: Forecasting electricity excess and assessment of power-to-gas potential up to 2050

Bailera

Lisbona

2018

Energy

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Innovative technologies and strategies to decarbonize electricity generation, transport, and heat supply sector are key factors to achieve the global climate targets set by international organizations. One of these strategies implies a significant increase of the share of renewable electricity in the energy mix. Given the intermittent behaviour of renewable energy sources (RES), a detailed assessment of future energy scenarios is required to estimate the potential surplus in electricity production. To facilitate the penetration of renewable energy sources up to significant shares, massive long-term electricity storage technologies must be considered. Among these technologies, powerto-gas (PtG) systems may foster the fossil fuels switch by providing storage of surplus renewable electricity in the form of hydrogen or synthetic natural gas. Thus, this energy carrier could be reconverted to electrical power to cover peak demand periods. In this work, a study of the prospective Spanish scenario is presented and the potential of PtG technology is assessed in terms of expected renewable surplus. We found that the annual electricity surplus for 2050 might vary between 1.4 TWh and 13.5 TWh, and the

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Section: Spanish Electricity Systemmentioning

confidence: 99%

Energy storage in Spain: Forecasting electricity excess and assessment of power-to-gas potential up to 2050

Bailera

Lisbona

2018

Energy

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“…However, fossil fuels were the most used supplies to produce electric energy in thermal power stations, from where energy was conveyed using direct current (Cayón García, 2002) until 1884. This year meant a change since it was when a new method to generate and transfer vast quantities of electricity to further distances (Espejo Marín, 2010) due to the use of hydroelectric plants, which could make the most of waterfalls and transfer the obtained energy through alternating current (Cayón García, 2002).…”

Section: Introductionmentioning

confidence: 99%

Learning from the past. The loss of vernacular heritage in the interest of hydropower development in Spain

García

2022

Proceedings HERITAGE 2022 - International Conference on Vernacular Heritage: Culture, People and Sustainability

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The fact that water stored in reservoirs may be used for diverse purposes -hydroelectricity, irrigation or industrial use, human consumption, recreation, etc. -explains the widely spread policy of building these structures all over the world during the 20th century. However, dams and reservoirs building policies at those times in Spain led to the disappearance of many villages in rural regions due to the flooding of large areas and, as a result, the loss of vernacular architecture and local traditions was unavoidable. In this research, it is aimed to analyse the building of Ricobayo reservoir by the company Saltos del Duero together with its consequences for the affected communities and their heritage through the case of a particular village: La Pueblica, located in the province of Zamora in Castile and León, Spain. La Pueblica was a little and humble village, isolated from modern times, with 'unhygienic and meagre' facilities. During the land and housing expropriation process in La Pueblica, Fernando Lopez Heptener recorded some images of the village before its final devastation for the docu-mentary called Por Tierras de España (1933). Due to the subsequent interest in spreading the film, nowadays it is possible for us to recover the lost image of La Pueblica, the vernacular ar-chitecture within as well as the traditions which were carried out in those spaces. If the future of dams is linked to sustainable energy resources and developing countries as thought nowadays, previous positivebut also negativeexperiences must be considered, since, despite all the prior benefits linked to water utilisation, building these engineering structures undoubtedly implies a direct social effect on the communities and heritage elements connected to them, which could be decisive to manage our cultural heritage nowadays.

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“…Adaptation of power factor and transformer tap changer settings to minimize the reactive power imported to distribution grid is proposed by [16]. Good examples of reactive power potential of distribution and local transmission grids have been presented in [17]- [21].…”

Section: Introductionmentioning

confidence: 99%

Minimization of Reactive Power Exchange at the DSO/TSO interface: Öland case

Tomaszewski

Stanković

Leisse³

et al. 2019

2019 IEEE PES Innovative Smart Grid Technologies Europe (ISGT-Europe)

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A rising penetration of renewable energy sources in electric power grids is both a challenge and an opportunity to utilize its potential to stabilize operation of future power systems. Bi-directional flows between distribution and transmission systems can cause significant problems with keeping the voltages and reactive power in grids within permissible levels. This paper addresses the problem of reactive power exchange between the distribution system ofÖland and the mainland Swedish electricity grid. Wind turbine generators with the capacity that highly exceeds total demand inÖland, are used to minimize absolute reactive power exchanged at the point of connection. This is done by applying droop control functions for reactive support to the wind turbines. Results indicate that the controllability of the reactive power support from wind turbine generators can keep the reactive power flow minimized at the point of connection and simultaneously diminish the active power losses in the system. The analysis in this paper has been done using the PSS/E software.

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Agua y energía: producción hidroeléctrica en España

Cited by 15 publications

References 2 publications

Energy storage in Spain: Forecasting electricity excess and assessment of power-to-gas potential up to 2050

Energy storage in Spain: Forecasting electricity excess and assessment of power-to-gas potential up to 2050

Learning from the past. The loss of vernacular heritage in the interest of hydropower development in Spain

Minimization of Reactive Power Exchange at the DSO/TSO interface: Öland case

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