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HYDROELECTRIC DAM [7 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2017-10-31

English

Subject field(s)
  • Dams and Causeways
  • Hydroelectric Power Stations
OBS

Valves are associated with closed conduits and usually are designed for high-head conditions. Outlet works associated with discharge at a low level behind a dam or the discharge of water into a hydroelectric plant are usually controlled by valves.

OBS

Machinery to control and regulate flow usually consists of gates or valves. ... Low-head gates are usually associated with spillways and canals while high-head gates are usually to be found with outlet works and penstocks for dams and hydroelectric plants.

French

Domaine(s)
  • Barrages et chaussées
  • Centrales hydro-électriques
DEF

Appareil pouvant être monté à côté des turbines des usines hydro-électriques et qui, manœuvré en sens inverse du vannage, en maintenant constant le débit de la conduite, annule les coups de bélier lors d'un arrêt brusque des turbines.

Spanish

Save record 1

Record 2 2007-10-02

English

Subject field(s)
  • Energy (Physics)
  • Ocean Energy
  • Tidal Power Stations
DEF

Kinetic and potential energy associated with the tides.

CONT

Tidal energy can be converted to mechanical and subsequently electrical form in several ways. The most common is to utilize a single natural basin that experiences tidal flow. The mouth of the basin is blocked by a dam that contains sluice gates and hydroelectric turbogenerators. In operation, water enters the basin through open sluice gates. At high tide the gates are closed. When the tide ebbs sufficiently water is released through the hydroturbines to generate electricity.

French

Domaine(s)
  • Énergie (Physique)
  • Énergie océanique
  • Centrales marémotrices
CONT

L'énergie marémotrice. Le projet de profiter de la double énergie de la marée (flux et reflux) a pris corps en France avec la construction de l'usine marémotrice de la Rance [...] Lorsque la marée monte, des turbines du barrage sont actionnées par le passage de l'eau vers l'amont du fleuve; prisonnière, l'eau est libérée à la marée descendante, faisant à nouveau fonctionner les turbines.

Spanish

Campo(s) temático(s)
  • Energía (Física)
  • Energía oceánica
  • Centrales maremotrices
Save record 2

Record 3 2007-08-23

English

Subject field(s)
  • Private-Sector Bodies and Committees
  • Hydroelectric Power Stations
OBS

Robert-Bourassa is a hydroelectric generating station on the La Grande River that is part of Hydro-Québec' s James Bay Project. The Station can generate 5, 616 MW and was commissioned in 1979-1981. Together with the adjacent La Grande-2-A generating station, it uses the reservoir and dam system of the Robert-Bourassa Reservoir to generate electricity. Intially known as La Grande-2, it was renamed after Robert Bourassa who, as Premier of Quebec(1970-1976 and 1985-1994) gave the James Bay Project a vital political impetus.

French

Domaine(s)
  • Organismes et comités du secteur privé
  • Centrales hydro-électriques
OBS

La centrale Robert-Bourassa est une centrale hydrélectrique située sur La Grande Rivière dans la province de Québec au Canada. Avec une puissance installée de 5 616 MW, elle est la plus grande du réseau d'Hydro-Québec. Avant d'obtenir son nom actuel en l'honneur de l'ancien premier ministre du Québec Robert Bourassa, elle était connue sous le nom de Centrale LG-2.

Spanish

Save record 3

Record 4 2007-08-07

English

Subject field(s)
  • Dams and Causeways
DEF

A type of dam whose arch design enables the overall cross-section to be reduced as water pressure on the face of the dam is transmitted to the abutments.

CONT

Examples of arch dams are the Boulder Dam, Colorado, and in the UK the Galloway hydroelectric scheme.

French

Domaine(s)
  • Barrages et chaussées
DEF

[...] ouvrage à courbure convexe tournée vers l'amont, permettant d'obtenir un effet de voûte [...]

CONT

Le barrage-voûte [...] peut être cylindrique (les consoles sont verticales) ou à double courbure (les consoles sont courbées).

OBS

Pluriel : barrages-voûtes.

Spanish

Campo(s) temático(s)
  • Presas y calzadas elevadas
DEF

[Presa] poco espesa y relativamente ligera, que trabaja como una bóveda de edificio y transmite el empuje a los apoyos laterales.

Save record 4

Record 5 1999-09-20

English

Subject field(s)
  • Hydrology and Hydrography
  • Atmospheric, Climatic and Meteorological Phenomena
DEF

A rise in streamflow to a crest in response to runoff generated by precipitation and its subsequent recession after the precipitation ends.

OBS

[It is]... caused by a period of precipitation, snow melt, dam failure or hydroelectric plant releases.

French

Domaine(s)
  • Hydrologie et hydrographie
  • Phénomènes météorologiques, climatiques et atmosphériques
DEF

Augmentation de l'écoulement d'un cours d'eau par suite du ruissellement d'une précipitation, et sa diminution quand la précipitation s'arrête.

OBS

Elle est due à une période de précipitation ou de fonte de neige, à une rupture de barrage ou à une lâchure d'une usine hydroélectrique.

Spanish

Campo(s) temático(s)
  • Hidrología e hidrografía
  • Fenómenos meteorológicos, climáticos y atmosféricos
DEF

Aumento del caudal de una corriente de agua hasta un valor máximo y su ulterior recesión, a consecuencia de un período de precipitaciones, deshielo, rotura de presa o vertidos de centrales hidroeléctricas.

Save record 5

Record 6 1996-11-01

English

Subject field(s)
  • Residential Architecture
DEF

A building used to generate any kind of power in any field of industry or manufacturing.

OBS

Example-windmill, hydroelectric dam.

French

Domaine(s)
  • Architecture d'habitation
DEF

Bâtiment utilisé pour produire de l'énergie de quelque origine que ce soit dans le domaine industriel ou manufacturier.

OBS

Exemple - moulin à vent, barrage hydro-électrique.

Spanish

Save record 6

Record 7 1986-11-20

English

Subject field(s)
  • Maintenance of Electrical Equipment
CONT

There are four faults of operation and maintenance which can reduce the maximum energy production of a [hydroelectric power] plant : 1. Waste of water over spillways. 2. Improper distribution of the load between the station units. 3. Water leakage through valves, gates, dam or flow line. 4. Wear on moving parts, especially corrosion or erosion of the runner.

French

Domaine(s)
  • Entretien des équipements électriques

Spanish

Save record 7

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