Power grid frequency data base

The transformation of the electrical energy system due to the increasing infeed from renewable energy sources has attracted much attention in diverse research communities. Novel approaches for grid control, grid modeling, and grid architectures are widely proposed. However, data from actual power system operation are rarely available but are critically necessary to analyze real-world scenarios or to evaluate models. In the present paper, we introduce a precisely time-stamped data set comprising power grid frequency measurements from twelve independent synchronous areas of different sizes in one-second resolution. Furthermore, the data includes a synchronized measurement of the frequency within the Continental European synchronous area with measurement points in Portugal, Germany, and Turkey, maximizing the geographical span. Finally, we provide excerpts of the underlying raw data. Data were collected using a self-developed Phasor-Measurement-Unit(PMU)-like device, the Electrical Data Recorder (EDR), connected mostly to conventional low-voltage power outlets.

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