简介:Installationofahydraulicturbineinawaterdistributionsysteminvolvinglongpipelinereachesrequiresseveraluniquedesignconsiderations.Forafixedspeedunit,theselectionofdesignpointsforheadandflowneedstobeoptimizedtoprovideanoperatingenvelopethatwouldmaximizethereturnontheinvestmentgiventhewidelyvariedflowandpressureconditionsimposedbythewaterdistributionsystem.Theselectionofaturbinedesignspeedisessentialinfacilitatingrunnerdesign,whichmustminimizethehydraulicpressuretransientsonturbinerunawaythatmayresultinoverstressingtheexistingpipelines.Methodandapproachtoevaluatetheseconsiderationsareoutlined.Relevantresultsfortheselecteddesignarepresentedusingthe4.3MWRanchoPenasquitosPressureControl/HydroelectricFacilityasanillustrativeexample.Licensingrequirementsforsmallinlinehydroelectricfacilitiesarealsobrieflydiscussed.