Re-Use of Civil Structures Make Norway Hydro Possibleby Bruce O. Frudden, Mead & Hunt Inc, Madison, WI, USA,
Abstract: Utilization of abandoned civil facilities made the addition of 1,800 KW to an operating 3,200 KW hydro plant of the City of Norway, Michigan Light and Power feasible. Work consisted of modifying the powerhouse structure to accommodate vertical shaft units to replace the original horizontal shaft units and installing two new vertical Francis turbines coupled to 900 KW synchronous generators through vertical parallel shaft speed increasers. The plant is designed for 'dark start' capability and to operate independently from the utility power grid. Total cost of the 1800 KW project was 2. 2 million. Generation is expected to increase by 6. 5 million KWH per year resulting in an annual savings in purchased energy by approximately 300,000.
Subject Headings: Power plants | Hydro power | Shafts | Construction engineering | Turbines | Coupling | Electric power | Urban areas | Europe | Norway | Michigan | North America | United States
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