Salamonde Dam ( pt, Barragem de Salamonde, links=no; ) is a
concrete arch dam on the
Cávado River, where the river forms the border line between the districts of
Braga and
Vila Real. It is located in the municipality
Vieira do Minho, in Braga District, Portugal.
The dam was completed in 1953. It is owned by ''Companhia Portuguesa de Produção de Electricidade'' (CPPE). The dam was designed by
Coyne et Bellier.
Dam
Salamonde Dam is a 75 m tall (height above foundation) and 284 m long arch dam with a crest altitude of 281 m. The volume of the dam is 93,000 m³. The dam features a
spillway with 4 gates over the dam (maximum discharge 1,700 m³/s) and one bottom outlet (maximum discharge 130 m³/s).
Reservoir
At full reservoir level of 280 m (maximum flood level of 280.5 m) the reservoir of the dam has a surface area of 2.42 (2.36)
km² and a total capacity of 65 mio. m³; its active capacity is 56.3 (55
or 57
) mio. m³.
With the 55 mio. m³ water 26.9
GWh
A kilowatt-hour (unit symbol: kW⋅h or kW h; commonly written as kWh) is a unit of energy: one kilowatt of power for one hour. In terms of SI derived units with special names, it equals 3.6 megajoules (MJ). Kilowatt-hours are a common bil ...
can be produced.
Power plant
Salamonde I
The
hydroelectric
Hydroelectricity, or hydroelectric power, is electricity generated from hydropower (water power). Hydropower supplies one sixth of the world's electricity, almost 4500 TWh in 2020, which is more than all other renewable sources combined and ...
power plant went operational in 1953. It is operated by
EDP. The plant has a
nameplate capacity of 42
. Its average annual generation is 231.2
(175,
232
or 244
)
GWh
A kilowatt-hour (unit symbol: kW⋅h or kW h; commonly written as kWh) is a unit of energy: one kilowatt of power for one hour. In terms of SI derived units with special names, it equals 3.6 megajoules (MJ). Kilowatt-hours are a common bil ...
.
The power station contains 2
Francis turbine
The Francis turbine is a type of water turbine. It is an inward-flow reaction turbine that combines radial and axial flow concepts. Francis turbines are the most common water turbine in use today, and can achieve over 95% efficiency.
The proces ...
-generators with 21.8 MW (25
MVA) each in an underground powerhouse. The turbine rotation is 428 rpm. The minimum
hydraulic head
Hydraulic head or piezometric head is a specific measurement of liquid pressure above a vertical datum., 410 pages. See pp. 43–44., 650 pages. See p. 22.
It is usually measured as a liquid surface elevation, expressed in units of length, ...
is 78 m, the maximum 125 m. Maximum flow per turbine is 22 m³/s.
The turbines and generators were provided by
Voith.
Salamonde 2
In 2011
Alstom
Alstom SA is a French multinational rolling stock manufacturer operating worldwide in rail transport markets, active in the fields of passenger transportation, signalling, and locomotives, with products including the AGV, TGV, Eurostar, Avelia ...
has been awarded a contract by EDP to install a 207 MW Francis reversible pump turbine and a 244 MVA motor-generator in a new
pumped-storage power plant.
The new power plant is expected to go operational in August 2015. Its average annual generation is estimated to be 386 GWh.
See also
*
List of power stations in Portugal
*
List of dams and reservoirs in Portugal
External links
*
*
References
{{DEFAULTSORT:Salamonde Dam
Dams in Portugal
Hydroelectric power stations in Portugal
Arch dams
Dams completed in 1953
Energy infrastructure completed in 1953
1953 establishments in Portugal
Buildings and structures in Braga District
Underground power stations
Vieira do Minho
Cávado River