Dispatchable substation for operation and control of renewable energy resources

Yeuntae Yoo; Seungmin Jung; Sungwoo Kang; Sungyoon Song; Jaehyeong Lee; Changhee Han; Gilsoo Jang

doi:10.3390/app10217938

Dispatchable substation for operation and control of renewable energy resources

Yeuntae Yoo, Seungmin Jung, Sungwoo Kang, Sungyoon Song, Jaehyeong Lee, Changhee Han, Gilsoo Jang

Research output: Contribution to journal › Article › peer-review

8 Citations (Scopus)

Abstract

Renewable generation in power systems has proved to be challenging for system operators owing to the increasing levels of penetration. The operation of power systems currently requires additional flexibility and reserves due to the intermittency and unpredictability of renewable generators. However, it is difficult to precisely predict and control the stochastic nature of renewable sources; nevertheless, its capacity continues to increase. To monitor and control renewable generators efficiently, the entire system needs to be established in a hierarchical order. This study proposed the concept of a substation that is uniquely designed for renewable interconnection. The purpose of this substation is simple: to make the renewable generators dispatchable to operators such that each group of renewable generators is sufficiently stable to be considered as conventional generators. For this purpose, methods for sizing and controlling energy storage system are proposed based on forecasts and error distributions.

Original language	English
Article number	7938
Pages (from-to)	1-13
Number of pages	13
Journal	Applied Sciences (Switzerland)
Volume	10
Issue number	21
DOIs	https://doi.org/10.3390/app10217938
Publication status	Published - 2020 Nov 1

Bibliographical note

Funding Information:
Funding: This work was supported by Korea Electric Power Corporation Grant (R18XA06-40) and by Korea Institution of Energy Technology Evaluation and Planning (KETEP) under grant (20191210301890).

Publisher Copyright:
© 2020 by the authors. Licensee MDPI, Basel, Switzerland.

Keywords

DIR
ESS
Forecast error
Renewable generator
Substation

ASJC Scopus subject areas

General Materials Science
Instrumentation
General Engineering
Process Chemistry and Technology
Computer Science Applications
Fluid Flow and Transfer Processes

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.3390/app10217938

Cite this

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abstract = "Renewable generation in power systems has proved to be challenging for system operators owing to the increasing levels of penetration. The operation of power systems currently requires additional flexibility and reserves due to the intermittency and unpredictability of renewable generators. However, it is difficult to precisely predict and control the stochastic nature of renewable sources; nevertheless, its capacity continues to increase. To monitor and control renewable generators efficiently, the entire system needs to be established in a hierarchical order. This study proposed the concept of a substation that is uniquely designed for renewable interconnection. The purpose of this substation is simple: to make the renewable generators dispatchable to operators such that each group of renewable generators is sufficiently stable to be considered as conventional generators. For this purpose, methods for sizing and controlling energy storage system are proposed based on forecasts and error distributions.",

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AU - Yoo, Yeuntae

AU - Jung, Seungmin

AU - Kang, Sungwoo

AU - Song, Sungyoon

AU - Lee, Jaehyeong

AU - Han, Changhee

AU - Jang, Gilsoo

N1 - Funding Information: Funding: This work was supported by Korea Electric Power Corporation Grant (R18XA06-40) and by Korea Institution of Energy Technology Evaluation and Planning (KETEP) under grant (20191210301890). Publisher Copyright: © 2020 by the authors. Licensee MDPI, Basel, Switzerland.

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N2 - Renewable generation in power systems has proved to be challenging for system operators owing to the increasing levels of penetration. The operation of power systems currently requires additional flexibility and reserves due to the intermittency and unpredictability of renewable generators. However, it is difficult to precisely predict and control the stochastic nature of renewable sources; nevertheless, its capacity continues to increase. To monitor and control renewable generators efficiently, the entire system needs to be established in a hierarchical order. This study proposed the concept of a substation that is uniquely designed for renewable interconnection. The purpose of this substation is simple: to make the renewable generators dispatchable to operators such that each group of renewable generators is sufficiently stable to be considered as conventional generators. For this purpose, methods for sizing and controlling energy storage system are proposed based on forecasts and error distributions.

AB - Renewable generation in power systems has proved to be challenging for system operators owing to the increasing levels of penetration. The operation of power systems currently requires additional flexibility and reserves due to the intermittency and unpredictability of renewable generators. However, it is difficult to precisely predict and control the stochastic nature of renewable sources; nevertheless, its capacity continues to increase. To monitor and control renewable generators efficiently, the entire system needs to be established in a hierarchical order. This study proposed the concept of a substation that is uniquely designed for renewable interconnection. The purpose of this substation is simple: to make the renewable generators dispatchable to operators such that each group of renewable generators is sufficiently stable to be considered as conventional generators. For this purpose, methods for sizing and controlling energy storage system are proposed based on forecasts and error distributions.

KW - DIR

KW - ESS

KW - Forecast error

KW - Renewable generator

KW - Substation

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Dispatchable substation for operation and control of renewable energy resources

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

UN SDGs

Access to Document

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