Galt Energy's Inverted Siphon System

by David G. de Montmorency, Galt Energy Systems Ltd, Cambridge, Ont, Can,



Document Type: Proceeding Paper

Part of: Waterpower '85

Abstract: Galt Energy Systems' involvement with attempting to standardize the civil component began with studies at small remote sites in Northern Ontario. The system design evolved to its present configuration, where the turbine has been placed at the top of a siphon loop across the dam. In this configuration, the turbine runner operates under a vacuum. A small blower is used to evacuate air from the turbine casing. When the water, at the intake, has been lifted about two feet, the blower is turned off, and water, running through the turbine and cascading down the draft tube, purges the remaining air from the system. The turbine, during the later stage of this process, accelerates quickly up to operating speed. The system is shut down by admitting air into the turbine casing to break the siphon. Additional system characteristics are discussed in the paper.

Subject Headings: Siphons | Turbines | Power plants | Hydro power | Water intakes | Hydraulic design | Evacuation | North America | Ontario | Canada

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