New construction of small hydropower plant Sigirino / Switzerland
High head power plant at the drinking water aqueduct Crana-Origlio with reservoir, penstock and power house with access road. The reservoir collects the spring water at an altitude of 1'006.20 m a.s.l. The spring water is fed to the power house via an underground penstock DN 350/400.
Données principales
- Reservoir at 1'006.20 m a.s.l.
- Dimension
- L = 10.65 m
- B = 7.50 m
- Penstock cast iron
- Ø = DN 350/400
- LTot = 1'723 m
- Power house 520 m a.s.l.
- QA = 0.2 m3/s
- HN = 475.50 m
- PA = 0.8 MW
- Horizontal Pelton turbine, 2 nozzles
- PN = 0.84 MW
- QN = 0.20 m3/s
- n = 1000 U/min
- Synchronous generator
- S = 1.0 MVA
- n = 1000 U/min
- Transformer
- PTR = 1.25 MVA
Maître d'ouvrage
Aziende Industriali di Lugano (AIL) SA
Ingénieurs du projet
IM Maggia Engineering Ltd, Locarno
Période
2012–2015
Coûts de construction
CHF 7.8 Mio.
Prestations
Preliminary design, final design, tendering, construction design, construction supervision, commissioning.