Portland's New Water Pumping and Hydropower Stationby Steven E. Simonson, CRS Sirrine Inc, Northwest Div, Portland, OR, USA,
Abstract: The City of Portland, Oregon, recently placed into service a 100 mgd pumping station as a major milestone in developing a backup and emergency groundwater supply. The facility is also designed to serve as a five megawatt hydropower generating station. Both the pumping station and the groundwater supply wells are controlled through a computerized control system. A critical element of the facility design was the control of hydraulic transients due to the sensitivity of the existing supply pipelines. Computer modeling performed as a part of design has been confirmed by the results of power failure and load rejection commissioning tests performed to date.
Subject Headings: Pumping stations | Power plants | Hydro power | Control systems | Hydraulic design | Computer models | Building design | Groundwater supply | Oregon
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