Abstract
An operation rule curve of a dam provides specific on the target elevation of thereservoir. This can vary throughout the year. This is an indication to the reservoir operator ofactivities to conduct for various situations involving reservoir and the hydrologic conditions.This rule curve shall apply to Murum dam solely for power generation purpose. Thedecisions on when and how much to release will impact the ability to pass a flood as well ashydropower capacity. The main objective of this research is to select the most suitablemethod and to develop the operation rule curves for Murum dam primarily for hydropowergeneration. A trial-and-error method has been selected for this study. Reservoir operationmodeling and simulation have been commenced using historical rainfall data, after runoffwas generated by rainfall runoff modellings. Three (3) simulations are conducted fordeveloping the operation rule curves. They are rule curve according to Sarawak EnergyBerhad’s requirement, ideal rule curve and mean rule curve. All three sets of rule curves aresuccessfully developed using turbine discharges of the dam as the parameters and to achievethe target firm energy generation of 635MW.
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