Probability Density Function Characterization for Aggregated Large-Scale Wind Power Based on Weibull Mixtures
Abstract
Here, the Weibull probability distribution has been widely applied to characterize wind speeds for wind energy resources. Wind power generation modeling is different, however, due in particular to power curve limitations, wind turbine control methods, and transmission system operation requirements. These differences are even greater for aggregated wind power generation in power systems with high wind penetration. Consequently, models based on one-Weibull component can provide poor characterizations for aggregated wind power generation. With this aim, the present paper focuses on discussing Weibull mixtures to characterize the probability density function (PDF) for aggregated wind power generation. PDFs of wind power data are firstly classified attending to hourly and seasonal patterns. The selection of the number of components in the mixture is analyzed through two well-known different criteria: the Akaike information criterion (AIC) and the Bayesian information criterion (BIC). Finally, the optimal number of Weibull components for maximum likelihood is explored for the defined patterns, including the estimated weight, scale, and shape parameters. Results show that multi-Weibull models are more suitable to characterize aggregated wind power data due to the impact of distributed generation, variety of wind speed values and wind power curtailment.
- Authors:
- Publication Date:
- Research Org.:
- National Renewable Energy Lab. (NREL), Golden, CO (United States)
- Sponsoring Org.:
- USDOE Office of Energy Efficiency and Renewable Energy (EERE)
- OSTI Identifier:
- 1419591
- Alternate Identifier(s):
- OSTI ID: 1238038
- Report Number(s):
- NREL/JA-5D00-65841
Journal ID: ISSN 1996-1073; ENERGA; PII: en9020091
- Grant/Contract Number:
- AC36-08-GO28308; AC36-08GO28308
- Resource Type:
- Published Article
- Journal Name:
- Energies (Basel)
- Additional Journal Information:
- Journal Name: Energies (Basel) Journal Volume: 9 Journal Issue: 12; Journal ID: ISSN 1996-1073
- Publisher:
- MDPI AG
- Country of Publication:
- Switzerland
- Language:
- English
- Subject:
- 17 WIND ENERGY; 24 POWER TRANSMISSION AND DISTRIBUTION; wind power generation; Weibull distributions; Weibull mixtures; Akaike information criterion; AIC; Bayesian information criterion; BIC
Citation Formats
Gómez-Lázaro, Emilio, Bueso, María, Kessler, Mathieu, Martín-Martínez, Sergio, Zhang, Jie, Hodge, Bri-Mathias, and Molina-García, Angel. Probability Density Function Characterization for Aggregated Large-Scale Wind Power Based on Weibull Mixtures. Switzerland: N. p., 2016.
Web. doi:10.3390/en9020091.
Gómez-Lázaro, Emilio, Bueso, María, Kessler, Mathieu, Martín-Martínez, Sergio, Zhang, Jie, Hodge, Bri-Mathias, & Molina-García, Angel. Probability Density Function Characterization for Aggregated Large-Scale Wind Power Based on Weibull Mixtures. Switzerland. https://doi.org/10.3390/en9020091
Gómez-Lázaro, Emilio, Bueso, María, Kessler, Mathieu, Martín-Martínez, Sergio, Zhang, Jie, Hodge, Bri-Mathias, and Molina-García, Angel. Tue .
"Probability Density Function Characterization for Aggregated Large-Scale Wind Power Based on Weibull Mixtures". Switzerland. https://doi.org/10.3390/en9020091.
@article{osti_1419591,
title = {Probability Density Function Characterization for Aggregated Large-Scale Wind Power Based on Weibull Mixtures},
author = {Gómez-Lázaro, Emilio and Bueso, María and Kessler, Mathieu and Martín-Martínez, Sergio and Zhang, Jie and Hodge, Bri-Mathias and Molina-García, Angel},
abstractNote = {Here, the Weibull probability distribution has been widely applied to characterize wind speeds for wind energy resources. Wind power generation modeling is different, however, due in particular to power curve limitations, wind turbine control methods, and transmission system operation requirements. These differences are even greater for aggregated wind power generation in power systems with high wind penetration. Consequently, models based on one-Weibull component can provide poor characterizations for aggregated wind power generation. With this aim, the present paper focuses on discussing Weibull mixtures to characterize the probability density function (PDF) for aggregated wind power generation. PDFs of wind power data are firstly classified attending to hourly and seasonal patterns. The selection of the number of components in the mixture is analyzed through two well-known different criteria: the Akaike information criterion (AIC) and the Bayesian information criterion (BIC). Finally, the optimal number of Weibull components for maximum likelihood is explored for the defined patterns, including the estimated weight, scale, and shape parameters. Results show that multi-Weibull models are more suitable to characterize aggregated wind power data due to the impact of distributed generation, variety of wind speed values and wind power curtailment.},
doi = {10.3390/en9020091},
journal = {Energies (Basel)},
number = 12,
volume = 9,
place = {Switzerland},
year = {Tue Feb 02 00:00:00 EST 2016},
month = {Tue Feb 02 00:00:00 EST 2016}
}
https://doi.org/10.3390/en9020091
Web of Science
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Works referencing / citing this record:
Economic Dispatch of the Low-Carbon Green Certificate with Wind Farms Based on Fuzzy Chance Constraints
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- Wang, Xiuyun; Wang, Jian; Tian, Biyuan
- Energies, Vol. 11, Issue 4