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| Content Provider | IET Digital Library |
|---|---|
| Author | Marinšek, Alexander Bajt, Gregor |
| Abstract | Wind is a highly unstable renewable energy source. Accurate forecasting can mitigate the effects of wind inconsistency on the electric grid and help avoid investments in costly energy storage infrastructure. Basing the predictions on open-source forecast models and climate data also makes them entirely free of charge. The present work studies the feasibility of using two machine learning (ML) models and one deep learning (DL) model, random forest (RF) regression, support vector regression (SVR), and long short-term memory (LSTM) for short-term wind power forecasting based on the publicly accessible ERA5-Land dataset. For each forecast model, a selection of hyperparameters is first tuned, followed by determining the best performing input data structure using surrounding data grid points and increasing the time interval of data affecting a single prediction. Both the ML models and the DL model perform better than the baseline (BL) model when forecasting wind speed up to 24 hours ahead. However, a reduced forecast duration is needed to achieve satisfactory wind turbine (WT) power output forecast accuracy. Most notably, the RF is able to produce 3-hour forecasts with the combined WT power output prediction error amounting to less than 10 % of the WT's nominal power. |
| Starting Page | 4159 |
| Ending Page | 4168 |
| Page Count | 10 |
| ISSN | 17521416 |
| Volume Number | 14 |
| e-ISSN | 17521424 |
| Issue Number | Issue 19, Dec (2020) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-rpg.2020.0576 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-rpg/14/19 |
| Journal | IET Renewable Power Generation |
| Publisher Date | 2020-12-18 |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | Baseline Model Forecasts Climate Data Data Grid Points Data Structure Data Structures Deep Learning (artificial Intelligence) Deep Learning Model Electric Grid Energy Storage ERA5-Land Data File Organisation Hyperparameter Selection Instrumentation And Technique For Geophysical, Hydrospheric And Lower Atmosphere Research Load Forecasting Long Short-term Memory Low Investment Cost Machine Learning Nominal Power Open Climate Data Open-source Forecast Model Power Engineering Computing Power Grid Power Production Power System Planning And Layout Power System Simulation Probability Theory Random Forest Random Forest Regression Reduced Forecast Duration Regression Analysis Renewable Energy Source Short-term Memory Short-term Wind Power Forecasting Statistics Stochastic Linearised SCUC Support Vector Machine Support Vector Regression Surplus Energy Time 1.0 Hour to 24.0 Hour Wind Inconsistency Wind Power Wind Power Plant Wind Turbine WT Power Output Forecast WT Power Output Prediction Error |
| Content Type | Text |
| Resource Type | Article |
| Subject | Renewable Energy, Sustainability and the Environment |
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