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AWWA IMTECH59634
- Modern SCADA System Takes the Guesswork Out of Water Transmission Control
- Conference Proceeding by American Water Works Association, 04/18/2004
- Publisher: AWWA
$12.00$24.00
This paper presents a unique solution for a difficult control situation in a large-scale water transmission flow control system. Combining standard control techniques and some innovative solutions, a "Master Flow Control" scheme distributes needed flow between the various available devices using cascade control, base load stepping functions, lead/lag control, rolling filters, selection of multiple process variables, and some unique control strategies to account for special conditions. Because the downstream conditions will change repeatedly in the next few years, the system is flexible enough to respond to major changes to downstream hydraulics, while continuing to meet the priority of maintaining reliable flow to customers on a daily basis. Includes figures.
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