Design and Application of an Open-Loop Control System for Run of River Sites

by Thomas C. Hough, Hough Associates, Bala-Cynwyd, PA, USA,
Paul Opila, Hough Associates, Bala-Cynwyd, PA, USA,

Document Type: Proceeding Paper

Part of: Waterpower '85


This paper compares an open loop control system for variable geometry turbines to a closed loop system for fixed geometry turbines. The control systems were designed to operate three submersible Flygt turbines at the Milburnie Dam on the Neuse River near Raleigh, North Carolina. The control system has been designed to collect all the data needed to verify actual performance against theoretical. All three generators have separate metering. Headwater and tailwater elevation, KW and time of day data are collected at set time intervals. The owner purchased adjustable bladed submersible turbines from Flygt Corporation but the project was placed in service using fixed bladed units. The original units were converted to variable adjustable units in September 1985.

Subject Headings: Control systems | Hydraulic design | Rivers and streams | Data collection | Turbines | Hydro power | Power plants | Verification | North Carolina | United States

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