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Background
Altitude profile at Herand
Surge shaft vs air cushion surge chamber
Herand power plant falls in under the requirements set by FIKS, which states that all power
plants with a generator of 10MVA or more must have frequency regulation and be able to
operate in an isolated grid.
The conduit dynamics of Herand
Power plant will be examined
by the use of transfer functions
that result in AFF diagrams.
These AFF diagrams are used to
conduct a stability analysis of
Herand power plant.
Due to challenging topography,
an air cushion surge chamber
will be implemented, and
the optimal dimensions and
location of said air cushion
surge chamber will be obtained.
In addition, the flow is limited and the only flow regulation will be the natural regulation
of Fodnastølsvatnet. Therefore, different points of operation will be studied, especially
at low flow availability.
Supervisor: Pål-Tore Selbo Storli
By Siri S. Sletten
Master Thesis
Waterpower Laboratory
Conduit dynamics in Herand
Power plant