Mitigation of Ice Effects at Hydroelectric Intake Structures

by George V. Cotroneo, Acres Int Corp, United States,
Peter J. Rae, Acres Int Corp, United States,

Document Type: Proceeding Paper

Part of: Waterpower '89


The design and operation of hydroelectric facilities throughout the northeast United States and Canada must contend with winter conditions for a large part of their yearly operation. During the winter months, ice accumulation can have a significant impact on the plant generation if adequate measures to deal with it are not taken. Most notably, ice conditions can cause a loss of head or a loss of flow to the turbines in some cases resulting in interruption of plant operation. Ice conditions, not properly accounted for in the design process, could reduce the project's output to the point where it may not be economic. This paper reviews those special problems faced by hydroelectric facilities in northern climates and discusses measures that can be employed to mitigate their effects.

Subject Headings: Ice | Hydro power | Water intakes | Mitigation and remediation | Flow measurement | Building design | Winter | Head loss (fluid mechanics) | United States | Canada

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