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Raiva Dam (Portuguese: Barragem da Raiva, also known as Barragem do Coiço) is a concrete gravity dam on the Mondego. It is located in the municipality Penacova, in Coimbra District, Portugal.
| Raiva Dam | |
|---|---|
 | |
  Location of Raiva Dam in Portugal | |
| Official name | Barragem da Raiva |
| Country | Portugal |
| Location | municipality Penacova, Coimbra District |
| Coordinates | 40°18′34.1″N 8°14′55.8″W |
| Purpose | Power, flood control |
| Status | Operational |
| Opening date | 1981 |
| Owner(s) | Companhia Portuguesa de Produção de Electricidade |
| Operator(s) | Energias de Portugal |
| Dam and spillways | |
| Type of dam | Concrete gravity dam |
| Impounds | Mondego |
| Height (foundation) | 36 m (118 ft) |
| Height (thalweg) | 34 m (112 ft) |
| Length | 200 m (660 ft) |
| Elevation at crest | 64.5 m (212 ft) |
| Dam volume | 85,000 m3 (3,000,000 cu ft) |
| Spillway type | Over the dam |
| Spillway capacity | 2,000 m3/s (71,000 cu ft/s) |
| Reservoir | |
| Total capacity | 24,110,000 m3 (19,550 acre⋅ft) |
| Active capacity | 14,710,000 m3 (11,930 acre⋅ft) |
| Surface area | 2.3 km2 (0.89 sq mi) |
| Normal elevation | 61.5 m (202 ft) |
| Operator(s) | Energias de Portugal |
| Commission date | 1982 |
| Hydraulic head | 18 m (59 ft) (max) |
| Turbines | 2 x 13 MW Francis-type |
| Installed capacity | 24 MW |
| Annual generation | 44.9 GWh |
The dam was completed in 1981. It is owned by Companhia Portuguesa de Produção de Electricidade (CPPE). The dam is used for power generation and flood control.[1]
Dam
Raiva Dam is a 36 m tall (height above foundation) and 200 m long gravity dam with a crest altitude of 64.5 m. The volume of the dam is 85,000 m³. The spillway with 2 radial gates is part of the dam body (maximum discharge 2,000 m³/s). There is also a bottom outlet.[1]
Reservoir
At full reservoir level of 61.5 m the reservoir of the dam has a surface area of 2.3 km2 and a total capacity of 24.11 mio. m³. The active capacity is 14.71 (12)[2][3] mio. m³.[1] The reservoir of Raiva Dam serves as lower reservoir for the Aguieira pumped-storage power plant, which is located about 10 km upstream of Raiva dam.[4]
Power plant
The hydroelectric power plant was commissioned in 1982[2][3][4] (1981).[5] It is operated by EDP. The plant has a nameplate capacity of 24[2][4][5] (20)[1][3] MW. Its average annual generation is 44.9[2] (44,[3] 44.8,[1][5] or 46[4]) GWh.
The power station contains 2 Francis turbine-generators (horizontal shaft)[4] with 13 MW (13 MVA) in a dam powerhouse located on the left side of the dam. The turbine rotation is 200 rpm. The minimum hydraulic head is 12 m, the maximum 18 m. Maximum flow per turbine is 80 m³/s.[2]
See also
References
- "RAIVA DAM". APA Barragens de Portugal. Retrieved 2015-03-16.
- "Raiva Informação Técnica" (in Portuguese). Energias de Portugal. Retrieved 2015-03-16.
- "Hidroelectricidade em Portugal memória e desafio" (PDF) (in Portuguese). Rede Eléctrica Nacional, S.A. p. 30 (28). Retrieved 2015-03-16.
- "DECLARAÇÃO AMBIENTAL 2012" (PDF) (in Portuguese). Energias de Portugal. pp. 44–45 (42–43). Retrieved 2015-03-16.
- "Raiva Hydroelectric Power Plant Portugal". Global Energy Observatory. Retrieved 2015-02-16.
На других языках
[de] Kraftwerk Raiva
Das Kraftwerk Raiva (portugiesisch Barragem da Raiva bzw. Barragem do Coiço) ist ein Laufwasserkraftwerk[1], das sich in der Region Mitte Portugals im Distrikt Coimbra befindet. Es staut den Fluss Mondego zu einem Stausee (portugiesisch Albufeira da Raiva)[2] auf. Einige Kilometer flussaufwärts liegt die Talsperre Aguieira. Ca. 10 km flussabwärts der Talsperre Raiva befindet sich die Kleinstadt Penacova.- [en] Raiva Dam
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