Optimal Dispatch of Hydroelectric Systems

by Ramaiah Divi, Saskatchewan Power Corp, Regina, Sask, Canada,



Document Type: Proceeding Paper

Part of: Waterpower '85

Abstract:

This paper presents a reliable and computationally efficient method for solving the optimal hydro dispatch problem. Moreover, this method guarantees a true optimal solution when the units' 'discharge-power' relations are characterized by quadratic polynomials. Based upon this method a computer program has been developed and was tested on a sample system published elsewhere. The test run results proved to be better than the published ones. In order to illustrate the effectiveness of the proposed method as an operating tool for dispatch, it was applied to Alcan's hydroelectric system (installed capacity 2 687 MW) and the paper discusses the computational results obtained thereof and the expected potential benefits to the utility.

Subject Headings: Hydro power | Electrical systems | Electric power | Control systems | Power plants | Utilities | Systems management

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