New Dynamic Model for Gas Power Plants for Increasing Wind and Solar Energy in the Egyptian Power System

Abstract: The Strategy of the Egyptian Electricity Holding Company (EEHC) aims to increase the proportion of power totally generated from renewable energy wind power (WP) and photovoltaic (PV) to 20% by 2022. With increasing such amount of renewable energy in the Egyptian electricity system some of the on line conventional power plants will be shut down and replaced by WP and PV, putting the Egyptian system in big challenge. So, the dynamic behavior of on line conventional power plant must be illustrated to fulfill the requirement of integrating renewable energy in the Egyptian system, especially for system contingencies. This research aims to identify a new dynamic model for gas power plants in the Egyptian power system so that they can be reliable basis for further use. A site visit to three different real gas power plants in the Egyptian network enables the paper to apply the study. The first study is applied on SGT5-4000F (V94.3A) Siemens Gas power plant in Nobaria Station in West-Delta Zone, while the second is AE94.2 Ansaldo Gas power plant in Mahmodia Station in Delta Zone and the third is MS9001FA Hitachi Gas power plant in El-Atf station in Middle-Delta Zone. The comparison between actual and simulated MW response of each turbine is investigated due to load variation. The simulation is made by DIgSILENT Power Factory Software.

Keywords: Gas Turbine, Turbine-Governor Model.