1

WATERPOWER LABORATORY

2

WATERPOWER LABORATORY

• Built in 1916• Main areas of research and development:

– Hydro Turbines• Francis

• Pelton

• Pump-Turbines

– Centrifugal Pumps– Pump and turbine control systems

• New areas of research and development:– Tidal energy– Wind energy– Wave energy

3

4

5

6

7

8

9

• Maximum head: 100 meter

• Open system head: 1,6 meter

• Maximum flow: 1,0 m3/s

• Maximum power: 700 kW

• The system is designed to operate in both open and closed loop.

10

976 power plants Installed capacity: 28.365 MW Production: 120 TWh

Norwegian Hydropower Status per 1st January 2006

Size Number Total Power

Annual

production

[MW] [ - ] [MW] [GWh/år]

Micro hydro 0 – 0,1 164 6 29

Mini hydro 0,1 - 1 192 91 375

Small hydro 1 - 10 293 1.035 4.850

Large hydro 10 -100 250 9.256 41.419

Large hydro > 100 77 17.977 73.455Source: Fakta 2006, Energi og vannressurser i Norge, OED

11

Installation of a Francis model turbine in the Waterpower Lab.

12

Installation of a Francis model turbine in the Waterpower Lab.

13

Efficiency of the model turbine

Q'p

Th

Where:h = Hydraulic efficiency [ - ] = Angular velocity [rad/s]T = Torque [Nm]p’= Differential pressure [Pa]Q = Flow rate [m3/s]

14

Power output 0,3 W