Podcast
Questions and Answers
What type of forecasts are required for risk management in wind energy?
What type of forecasts are required for risk management in wind energy?
- Ensemble forecasts
- Density forecasts (correct)
- Point forecasts
- Log likelihood forecasts
How is wind power variability affected by the spatial locations of wind farms?
How is wind power variability affected by the spatial locations of wind farms?
- It is not affected by spatial diversification
- It increases with spatial diversification (correct)
- It becomes more intermittent with spatial diversification
- It decreases with spatial diversification
What is the purpose of stepwise variable selection?
What is the purpose of stepwise variable selection?
- To add all variables to the model at once
- To remove all variables from the model
- To select variables based on their predictive value (correct)
- To randomly select variables for the model
In stepwise variable selection, how are variables added or removed from the model?
In stepwise variable selection, how are variables added or removed from the model?
Which type of changes in wind power are typically analyzed when considering power system operations?
Which type of changes in wind power are typically analyzed when considering power system operations?
What was found to be the best in point forecasting based on the text?
What was found to be the best in point forecasting based on the text?
What is considered problematic for both electricity system operators and wind farm operators?
What is considered problematic for both electricity system operators and wind farm operators?
What problem does stepwise variable selection help to address?
What problem does stepwise variable selection help to address?
Which statement best describes the starting point of stepwise variable selection?
Which statement best describes the starting point of stepwise variable selection?
In the context of wind energy density forecasting, what is the purpose of ensemble predictions?
In the context of wind energy density forecasting, what is the purpose of ensemble predictions?
What is the primary consideration when selecting variables using a stepwise approach?
What is the primary consideration when selecting variables using a stepwise approach?
Why is it important to eliminate some variables in stepwise variable selection?
Why is it important to eliminate some variables in stepwise variable selection?
What factor caused a high maximum error of 5500 MW in intraday wind power prediction for Germany?
What factor caused a high maximum error of 5500 MW in intraday wind power prediction for Germany?
Which evaluation method assesses the probabilistic correctness of forecasts?
Which evaluation method assesses the probabilistic correctness of forecasts?
What aspect of the forecast quality assesses the ability to concentrate distribution?
What aspect of the forecast quality assesses the ability to concentrate distribution?
In the calibrated wind speed ensemble predictions, what does 'µtENS +k|t' represent?
In the calibrated wind speed ensemble predictions, what does 'µtENS +k|t' represent?
What could have been avoided with extreme event correction according to the text?
What could have been avoided with extreme event correction according to the text?
What is the main assessment measure for evaluating the overall quality of forecasts?
What is the main assessment measure for evaluating the overall quality of forecasts?
What method was used to convert 51 calibrated wind speed ensemble members into 51 wind power scenarios?
What method was used to convert 51 calibrated wind speed ensemble members into 51 wind power scenarios?
What type of forecast benchmark is compared to evaluate wind power predictions?
What type of forecast benchmark is compared to evaluate wind power predictions?
Which parameter in the square root of wind speed ensemble forecast is denoted by 'bk'?
Which parameter in the square root of wind speed ensemble forecast is denoted by 'bk'?
What was evaluated using ARFI-GARCH from 1995 to 2003 and calibrated ensembles from 1997 to 2003?
What was evaluated using ARFI-GARCH from 1995 to 2003 and calibrated ensembles from 1997 to 2003?
What does 'ENSS' represent in the context of the text?
What does 'ENSS' represent in the context of the text?
Which approach used historical forecasts/verifications, kernel smoothing, and calibration jointly estimated?
Which approach used historical forecasts/verifications, kernel smoothing, and calibration jointly estimated?
What are the main types of variability that need to be described when modeling daily wind speed data?
What are the main types of variability that need to be described when modeling daily wind speed data?
Which wind farm has the highest annual homes equivalent based on its MW capacity?
Which wind farm has the highest annual homes equivalent based on its MW capacity?
Which wind turbine model was installed at Bears Down in Cornwall?
Which wind turbine model was installed at Bears Down in Cornwall?
When fitting AR-GARCH models to the square root of wind speed, which parameter represents the mean?
When fitting AR-GARCH models to the square root of wind speed, which parameter represents the mean?
For wind speed density construction, which types of distribution are typically used?
For wind speed density construction, which types of distribution are typically used?
What data transformation was applied before fitting AR-GARCH models to the wind speed data?
What data transformation was applied before fitting AR-GARCH models to the wind speed data?
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