Vertical Axis Hydro Turbines for Off Grid Installations

by B. V. Davis,



Document Type: Proceeding Paper

Part of: Waterpower '89

Abstract: This paper describes the design, manufacture and testing of a 5 kW floating VAHT for use in tidal, ocean, and river installations. This work is based on the results of research contracts administered by the Canadian National Research Council Hydraulics Laboratory and Energy Mines and Resources, Canada. The complete turbine assembly is mounted on a standard 5.5 metre fiberglass boat hull which provides floatation, a self mooring capability, space for auxiliary equipment and maintenance personnel, a trailering capability, and self launching and propulsion to the selected site. The hull is stable and seaworthy with reserve floatation. The electrical system is an 'off-grid' stand alone system with a Thomson and Howe load control governor which maintains a constant frequency of 60 Hz at 240 volts.

Subject Headings: Turbines | Electrical systems | Grid systems | Hydraulic design | Tides | Ocean engineering | Rivers and streams

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