Development of Hydro-Scheduling Model for Optimal Joint Operation of Multi-Reservoir Systems

by S. B. Shim, Chungbuk Natl Univ, Republic of Korea,
J. W. Labadie, Chungbuk Natl Univ, Republic of Korea,
H. S. Lee, Chungbuk Natl Univ, Republic of Korea,
D. K. Koh, Chungbuk Natl Univ, Republic of Korea,
K. D. Shim, Chungbuk Natl Univ, Republic of Korea,



Document Type: Proceeding Paper

Part of: Water Policy and Management: Solving the Problems

Abstract:

Multipurpose reservoirs in a reservoir system are not limited to supplying ample amounts of water and electricity, but also provide other water demands such as flood control, navigation, water quality enhancement and recreation. To achieve these objectives it is important that the reservoir system be optimally operated in an integrated manner. This integration is particularly important for hydropower operations, since the power grid allows sharing of generated electricity. This paper describes research to develop a hydro-scheduling decision support system for application to the Han River System in Korea. A core model for the system is based upon stochastic optimal control theory. The stochastic optimal control model is used to develop joint open loop operation policies for major reservoirs in the basin. A feedback control program to convert the open loop policy into a closed loop policy was developed for the adaptive operation of the multi-reservoir system. The value of the optimal policies were then demonstrated using a basin simulation model. The model input and results display are handled through a user friendly, menu driven system and graphical user interface.

Subject Headings: Reservoirs | Control systems | Hydro power | Water-based recreation | Water quality | Stochastic processes | Water supply systems | South Korea | Asia

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