Plant Data

Dam:

• Type: ravity concrete dam with rock cover on air suface; limited scoring possible

• Crest length: 47,0 m

• Height: 7,20 m and 6.0 m at spillway section

• Spillway length: 6,00 m

• Foundation depth: 2,00 m

• Crest width: 1,60 m

• Foundation width: 4,60 m

• Stilling basin length:    7,40 m

• Scoure gate: 1,50 x 1,50 m (wxh), invert level 2,0 m below spillway crest

Reservoir:

• Length: 120 m

• Width: 40 m

• Depth: 2,5 m after scouring

Intake building

• Dip board: wooden plan

• Rack: fine screen 1,65 x 2,68 cm (w x h), 60° inclined

• Rack cleaner: mechanical cleaner, manual or time based operation              

Power Conduit:

• Type: conventionally excavated tunnel

• Profile: inverted U-shapeHeight: 140 cm

• Bottom width: 90 cm

• Inclination: hydraulic minimum

• Lining: partly concrete, partly cement plaster

• Length: 194 m

Surge Tank:

• Type: vertical shaft

• Cross section: square

Penstock:

• Type: steel pipe

• Length: 181 m

• Dimension: 740/11,4 mm

• Bifurcation: 740/11,4 to 2 x 530/8 mm

Generation Set 1:

• Type: Francis spiral turbine

• Manufacturer: Weipert & Söhne, Stockerau

• Year: 1923, refurbished in 1949 and 2001

• Nominal Power: 100 kW at 53.5 m head and at 200 l/s flow

Generation Set 2:

• Type: Francis spiral turbine

• Manufacturer: CKD Turbo Technics, Brno, Czech Republic

• Year: 2002

• Nominal Power: 200 kW at 53.5 m head and 400 l/s flow

Controls:

• Type: Simatic 7 PLC

Plant Capacity:

• Gross Head: 53,5 m

• Design Flow: 600 l/s

• Nominal Capacity: 300 kW

• Annual Production: 1.200.000 kWh

• Full Load Operation: 4.140 hours per year

Tailwater Conduit:

• Cross Section: trapezoidal channel, partly piped

• Length: 300 m