Full Description

The Green Bay Water Utility (GBWU) decided to implement a capital improvement projectto increase their pumping capacity at their raw water pump station. Eight hundred horsepower (hp) pumps are planned for installation, which will discharge into one of two water mains thatwill convey the raw water to the GBWU treatment facility. The system consists of the raw waterpump station at lake level, which pumps to the water treatment plant at the high point of thecommunity. The reasoning behind this was to be sure that the water consumed by the communityis pumped only once, enroute to the treatment plant. Knowing this operational requirement, itbecame most important to ensure that the raw water supply pumping system and its operationwas as energy-efficient as it could reasonably be. This paper expands upon the utility's approach to the operation, which willresult in a reduction of over 1,000,000 kWh per year by assessing the utilization of thevariable speed drives to work around the seasonally changing peak electric demand times andstill meet water demand flow rates. Includes figures.

Product Details

Edition: Vol. - No. Published: 11/01/2009 Number of Pages: 31File Size: 1 file , 560 KB