Start-Up Performance Hyatt-Thermalito Power Complex

by Haywood G. Dewey, Jr., (F.ASCE), Div. Engr.; Div. of Operations and Maintenance, California Dept. of Water Resour., Sacramento, CA,
Robert W. Ehrhart, Supervising Mech. Engr.; Div. of Design and Constr., California Dept. of Water Resour., Sacramento, CA,
William H. Young, Supervising Power O&M Engr.; Plant Operations Ofc., California Dept. of Water Resour., Sacramento, CA,


Serial Information: Journal of the Power Division, 1973, Vol. 99, Issue 2, Pg. 405-424


Document Type: Journal Paper

Discussion: Chaudhry M. Hanif (See full record)
Closure: (See full record)

Abstract: Special start-up tests verified that the features of the project will operate satisfactorily and as designed in normal operation and when subjected to any emergency or overload condition. Three series of tests were performed: the Unit Operational Tests in which the performance of each of the several types of turbines and pump-turbines were tested individually; the Multiunit Tests wherein a gradually increasing number of units were tripped off the line until ultimately the maximum Hyatt powerplant load was rejected instantaneously; and the Project Operational Tests which determined the performance of the entire power complex with the two powerplants working in tandem under full load in both the generating and pumping modes. The results of the most significant tests of each series are considered and comparisons are made with the design predictions where appropriate.

Subject Headings: Load tests | Pumping tests | Power plants | Maximum loads | Load factors | Verification | Emergency management | Overloads

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