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An adjusted weight metric to quantify flexibility available in conventional generators for low carbon power systems

(2020) ENERGIES. 13(21).
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Abstract
With the increasing shares of intermittent renewable sources in the grid, it becomes increasingly essential to quantify the requirements of the power systems flexibility. In this article, an adjusted weight flexibility metric (AWFM) is developed to quantify the available flexibility within individual generators as well as within the overall system. The developed metric is useful for power system operators who require a fast, simple, and offline metric. This provides a more realistic and accurate quantification of the available technical flexibility without performing time-consuming multi-temporal simulations. Another interesting feature is that it can be used to facilitate scenario comparisons. This is achieved by developing a new framework to assure the consistency of the metric and by proposing a new adjusted weighting mechanism based on correlation analysis and analytic hierarchy process (AHP). A new ranking approach based on flexibility was also proposed to increase the share of the renewable energy sources (RESs). The proposed framework was tested on the IEEE RTS-96 test-system. The results demonstrate the consistency of the AWFM. Moreover, the results show that the proposed metric is adaptive as it automatically adjusts the flexibility index with the addition or removal of generators. The new ranking approach proved its ability to increase the wind share from 28% to 37.2% within the test system. The AWFM can be a valuable contribution to the field of flexibility for its ability to provide systematic formulation for the precise analysis and accurate assessment of inherent technical flexibility for a low carbon power system.
Keywords
power system flexibility, flexibility quantification, adjusted weight flexibility metric (AWFM), power system operations, flexibility parameters, renewable energy, INTERMITTENT RENEWABLES, UNIT COMMITMENT, WIND POWER, PLANTS, INTEGRATION, OPERATION, IMPACTS

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MLA
Abujarad, Saleh, et al. “An Adjusted Weight Metric to Quantify Flexibility Available in Conventional Generators for Low Carbon Power Systems.” ENERGIES, vol. 13, no. 21, 2020, doi:10.3390/en13215658.
APA
Abujarad, S., Mustafa, M. W., Jamian, J. J., Abdilahi, A. M., De Kooning, J., Desmet, J., & Vandevelde, L. (2020). An adjusted weight metric to quantify flexibility available in conventional generators for low carbon power systems. ENERGIES, 13(21). https://doi.org/10.3390/en13215658
Chicago author-date
Abujarad, Saleh, Mohd Wazir Mustafa, Jasrul Jamani Jamian, Abdirahman M. Abdilahi, Jeroen De Kooning, Jan Desmet, and Lieven Vandevelde. 2020. “An Adjusted Weight Metric to Quantify Flexibility Available in Conventional Generators for Low Carbon Power Systems.” ENERGIES 13 (21). https://doi.org/10.3390/en13215658.
Chicago author-date (all authors)
Abujarad, Saleh, Mohd Wazir Mustafa, Jasrul Jamani Jamian, Abdirahman M. Abdilahi, Jeroen De Kooning, Jan Desmet, and Lieven Vandevelde. 2020. “An Adjusted Weight Metric to Quantify Flexibility Available in Conventional Generators for Low Carbon Power Systems.” ENERGIES 13 (21). doi:10.3390/en13215658.
Vancouver
1.
Abujarad S, Mustafa MW, Jamian JJ, Abdilahi AM, De Kooning J, Desmet J, et al. An adjusted weight metric to quantify flexibility available in conventional generators for low carbon power systems. ENERGIES. 2020;13(21).
IEEE
[1]
S. Abujarad et al., “An adjusted weight metric to quantify flexibility available in conventional generators for low carbon power systems,” ENERGIES, vol. 13, no. 21, 2020.
@article{8679355,
  abstract     = {{With the increasing shares of intermittent renewable sources in the grid, it becomes increasingly essential to quantify the requirements of the power systems flexibility. In this article, an adjusted weight flexibility metric (AWFM) is developed to quantify the available flexibility within individual generators as well as within the overall system. The developed metric is useful for power system operators who require a fast, simple, and offline metric. This provides a more realistic and accurate quantification of the available technical flexibility without performing time-consuming multi-temporal simulations. Another interesting feature is that it can be used to facilitate scenario comparisons. This is achieved by developing a new framework to assure the consistency of the metric and by proposing a new adjusted weighting mechanism based on correlation analysis and analytic hierarchy process (AHP). A new ranking approach based on flexibility was also proposed to increase the share of the renewable energy sources (RESs). The proposed framework was tested on the IEEE RTS-96 test-system. The results demonstrate the consistency of the AWFM. Moreover, the results show that the proposed metric is adaptive as it automatically adjusts the flexibility index with the addition or removal of generators. The new ranking approach proved its ability to increase the wind share from 28% to 37.2% within the test system. The AWFM can be a valuable contribution to the field of flexibility for its ability to provide systematic formulation for the precise analysis and accurate assessment of inherent technical flexibility for a low carbon power system.}},
  articleno    = {{5658}},
  author       = {{Abujarad, Saleh and Mustafa, Mohd Wazir and Jamian, Jasrul Jamani and Abdilahi, Abdirahman M. and De Kooning, Jeroen and Desmet, Jan and Vandevelde, Lieven}},
  issn         = {{1996-1073}},
  journal      = {{ENERGIES}},
  keywords     = {{power system flexibility,flexibility quantification,adjusted weight flexibility metric (AWFM),power system operations,flexibility parameters,renewable energy,INTERMITTENT RENEWABLES,UNIT COMMITMENT,WIND POWER,PLANTS,INTEGRATION,OPERATION,IMPACTS}},
  language     = {{eng}},
  number       = {{21}},
  pages        = {{19}},
  title        = {{An adjusted weight metric to quantify flexibility available in conventional generators for low carbon power systems}},
  url          = {{http://dx.doi.org/10.3390/en13215658}},
  volume       = {{13}},
  year         = {{2020}},
}

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