The Relevance Of Load Following Capability Of Nuclear Power Plant For The South African Grid

Qwemesha, Mbuyisi

The Relevance Of Load Following Capability Of Nuclear Power Plant For The South African Grid

Master Thesis

2020

Abstract

The main focus of this study is to evaluate whether load following operation can be performed using the existing South African nuclear power plant. Of which, knowing that will assist in determining whether the addition of load following capabilities on the planned nuclear fleet is justifiable or not. In this report the relevance of Koeberg Nuclear Power Plant to adapt to the demand is examined and the effects on plant operation simulated. The report analyses the operation of the existing nuclear power plant (Koeberg units) in South Africa and describes the regulations that govern safe operation of the plant. The Koeberg plant is analyzed based on the current design i.e. operating as a baseload station. This allows a prediction of the Koeberg plant response to big load variations. The simulation results of the load variation are analyzed and the results used to make the conclusion that the Koeberg units are not capable of load following safely. Modifying the Koeberg units from being base load station to load following will require changing the Safety Analysis Report and therefore affect the Koeberg license NIL-01.

Keywords

Engineering

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