A Novel Method to Valorize Frequency Support Procurement by Wind Power Plants

Ayman Attya, Jose Luis Dominguez-Garcia

Research output: Contribution to journalArticle

Abstract

The provision of frequency support by renewable power is a key challenge to allow higher penetration of renewables. While the research efforts focus on proposing new control methods and market structures to realize and facilitate the provision of frequency services by wind power, less attention is given to financial compensation of proper responses. This paper proposes a comprehensive method to evaluate the net payments to participating wind power plants, including a penalty factor for responses that do not comply with grid codes and market bids. This method integrates frequency data and dynamic response of wind power assets during the events, to evaluate the compliance level under a certain grid code, and calculates the corresponding net payment. The paper demonstrates the method by integrating the worst frequency event in each month from the real recorded data of UK National grid frequency response in 2016. The results obtained show clear diversities between the three examined support methods with clear influence of the incident wind speed. Kinetic energy extraction support method shows a little merit at high wind speeds, while pitch deloading method performs better at the majority of the examined case studies.
LanguageEnglish
Number of pages10
JournalIEEE Transactions on Sustainable Energy
Early online date3 Jan 2019
DOIs
Publication statusE-pub ahead of print - 3 Jan 2019

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Wind power
Power plants
Kinetic energy
Frequency response
Dynamic response
Compliance
Compensation and Redress

Cite this

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title = "A Novel Method to Valorize Frequency Support Procurement by Wind Power Plants",
abstract = "The provision of frequency support by renewable power is a key challenge to allow higher penetration of renewables. While the research efforts focus on proposing new control methods and market structures to realize and facilitate the provision of frequency services by wind power, less attention is given to financial compensation of proper responses. This paper proposes a comprehensive method to evaluate the net payments to participating wind power plants, including a penalty factor for responses that do not comply with grid codes and market bids. This method integrates frequency data and dynamic response of wind power assets during the events, to evaluate the compliance level under a certain grid code, and calculates the corresponding net payment. The paper demonstrates the method by integrating the worst frequency event in each month from the real recorded data of UK National grid frequency response in 2016. The results obtained show clear diversities between the three examined support methods with clear influence of the incident wind speed. Kinetic energy extraction support method shows a little merit at high wind speeds, while pitch deloading method performs better at the majority of the examined case studies.",
keywords = "Wind Power Plants, Ancillary services, Frequency response, Energy markets, Power system stability, Frequency stability, Grid codes, Reserve markets",
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A Novel Method to Valorize Frequency Support Procurement by Wind Power Plants. / Attya, Ayman; Dominguez-Garcia, Jose Luis.

In: IEEE Transactions on Sustainable Energy, 03.01.2019.

Research output: Contribution to journalArticle

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AU - Dominguez-Garcia, Jose Luis

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N2 - The provision of frequency support by renewable power is a key challenge to allow higher penetration of renewables. While the research efforts focus on proposing new control methods and market structures to realize and facilitate the provision of frequency services by wind power, less attention is given to financial compensation of proper responses. This paper proposes a comprehensive method to evaluate the net payments to participating wind power plants, including a penalty factor for responses that do not comply with grid codes and market bids. This method integrates frequency data and dynamic response of wind power assets during the events, to evaluate the compliance level under a certain grid code, and calculates the corresponding net payment. The paper demonstrates the method by integrating the worst frequency event in each month from the real recorded data of UK National grid frequency response in 2016. The results obtained show clear diversities between the three examined support methods with clear influence of the incident wind speed. Kinetic energy extraction support method shows a little merit at high wind speeds, while pitch deloading method performs better at the majority of the examined case studies.

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KW - Ancillary services

KW - Frequency response

KW - Energy markets

KW - Power system stability

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KW - Reserve markets

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