Analysing Inter-Areas Oscillations within the Interconnected Power System of Continental Europe using frequency domain simulations and signal analysis based on wide-area measurement data

In this paper, inter area oscillations within the synchronous interconnected power system of Continental Europe are analysed. For this purpose the IFK's entire power grid frequency measurement system is presented. The measuring data is used for validation of simulation models, as well as for signal analyses of electromechanical oscillations. The analyses in this paper are focused on estimating frequencies of oscillation of dominant inter area modes during ambient conditions using a wavelet based method. On the one hand the extension of the synchronous power system to the Turkish system is investigated, on the other hand the impact of power system loading is analysed. With a detailed model of the power system the dominant oscillation modes are determined with enhanced effectiveness and compared to the results based on the measurement data.