Hydro Plant Research Data Acquisition System

by James E. Donegan, Niagara Mohawk Power Corp, Syracuse, United States,
Julia Crittenden Tarbell, Niagara Mohawk Power Corp, Syracuse, United States,
John F. Doyle, Niagara Mohawk Power Corp, Syracuse, United States,



Document Type: Proceeding Paper

Part of: Hydraulic Engineering

Abstract: The Colton Hydroelectric Development, located on the Raquette River in the northwestern part of New York State, is the site of a two year research project to test the use of heated trashracks to prevent the accumulation of frazil ice. A data acquisition, monitoring, and control system will be installed to predict frazil ice events, to control the heated trashrack assemblies, and to monitor the performance of the trashrack assemblies. The data acquisition, monitoring, and control system consists of both a computer system and a video system. The computer system records water temperature, air temperature, wind speed, water levels upstream and downstream of the trashracks, and plant output. Water temperature with an accuracy of one tenth of a degree Centigrade is measured using a thermistor type water temperature probe. The trashrack heating system is energized and de-energized by the computer. The video monitoring system consists of underwater cameras used in conjunction with a lapse time video recorder to provide visual data. The visual data will be used to evaluate the performance of the heated trashracks. Additional visual data is provided by a real time video recorder connected to an underwater camera mounted on a movable cart that rides on the upstream face of the trashracks.

Subject Headings: Data collection | Hydrologic data | Control systems | Imaging techniques | Temperature measurement | Water temperature | Ice | Hydro power | North America | United States | New York

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