A cooperative management strategy for battery energy storage system providing Enhanced Frequency Response

The increased integration of renewable energy sources in the power grid reduces system stability, which translates to more frequency fluctuation. The UK National Grid Electricity Transmission (NGET) has introduced different frequency regulation strategies—Enhanced Frequency Response (EFR), and more...

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Autores principales:	Xihai Cao, Nan Zhao
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2022
Materias:	SOC management Enhanced frequency response Battery energy storage system Electrical engineering. Electronics. Nuclear engineering TK1-9971
Acceso en línea:	https://doaj.org/article/8ff133503ab04c0aa6d8895a391eaeea
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id	oai:doaj.org-article:8ff133503ab04c0aa6d8895a391eaeea
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spelling	oai:doaj.org-article:8ff133503ab04c0aa6d8895a391eaeea2021-12-04T04:34:58ZA cooperative management strategy for battery energy storage system providing Enhanced Frequency Response2352-484710.1016/j.egyr.2021.11.092https://doaj.org/article/8ff133503ab04c0aa6d8895a391eaeea2022-04-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S2352484721012385https://doaj.org/toc/2352-4847The increased integration of renewable energy sources in the power grid reduces system stability, which translates to more frequency fluctuation. The UK National Grid Electricity Transmission (NGET) has introduced different frequency regulation strategies—Enhanced Frequency Response (EFR), and more recently Dynamic Containment (DC) to mitigate this issue. Compared to DC, the EFR includes an adjustable envelope for state of charge (SOC) management which results in better flexibility of the battery energy storage system (BESS). This paper conducts technical analysis and comparison on the two EFR services designed for BESS, and further proposes a cooperative control strategy combining the advantages of the two services based on EFR in order to achieve a better solution for both power grid and BESS. Case studies were carried out using real NGET frequency data to illustrate the schemes and verify the proposed strategy. EFR service 2 shows better frequency performance for frequency regulation while EFR service 1 behaves better in SOC management. The proposed strategy manages to incorporate the strength of both EFR services, which can be beneficial to the grid and BESS.Xihai CaoNan ZhaoElsevierarticleSOC managementEnhanced frequency responseBattery energy storage systemElectrical engineering. Electronics. Nuclear engineeringTK1-9971ENEnergy Reports, Vol 8, Iss , Pp 120-128 (2022)
institution	DOAJ
collection	DOAJ
language	EN
topic	SOC management Enhanced frequency response Battery energy storage system Electrical engineering. Electronics. Nuclear engineering TK1-9971
spellingShingle	SOC management Enhanced frequency response Battery energy storage system Electrical engineering. Electronics. Nuclear engineering TK1-9971 Xihai Cao Nan Zhao A cooperative management strategy for battery energy storage system providing Enhanced Frequency Response
description	The increased integration of renewable energy sources in the power grid reduces system stability, which translates to more frequency fluctuation. The UK National Grid Electricity Transmission (NGET) has introduced different frequency regulation strategies—Enhanced Frequency Response (EFR), and more recently Dynamic Containment (DC) to mitigate this issue. Compared to DC, the EFR includes an adjustable envelope for state of charge (SOC) management which results in better flexibility of the battery energy storage system (BESS). This paper conducts technical analysis and comparison on the two EFR services designed for BESS, and further proposes a cooperative control strategy combining the advantages of the two services based on EFR in order to achieve a better solution for both power grid and BESS. Case studies were carried out using real NGET frequency data to illustrate the schemes and verify the proposed strategy. EFR service 2 shows better frequency performance for frequency regulation while EFR service 1 behaves better in SOC management. The proposed strategy manages to incorporate the strength of both EFR services, which can be beneficial to the grid and BESS.
format	article
author	Xihai Cao Nan Zhao
author_facet	Xihai Cao Nan Zhao
author_sort	Xihai Cao
title	A cooperative management strategy for battery energy storage system providing Enhanced Frequency Response
title_short	A cooperative management strategy for battery energy storage system providing Enhanced Frequency Response
title_full	A cooperative management strategy for battery energy storage system providing Enhanced Frequency Response
title_fullStr	A cooperative management strategy for battery energy storage system providing Enhanced Frequency Response
title_full_unstemmed	A cooperative management strategy for battery energy storage system providing Enhanced Frequency Response
title_sort	cooperative management strategy for battery energy storage system providing enhanced frequency response
publisher	Elsevier
publishDate	2022
url	https://doaj.org/article/8ff133503ab04c0aa6d8895a391eaeea
work_keys_str_mv	AT xihaicao acooperativemanagementstrategyforbatteryenergystoragesystemprovidingenhancedfrequencyresponse AT nanzhao acooperativemanagementstrategyforbatteryenergystoragesystemprovidingenhancedfrequencyresponse AT xihaicao cooperativemanagementstrategyforbatteryenergystoragesystemprovidingenhancedfrequencyresponse AT nanzhao cooperativemanagementstrategyforbatteryenergystoragesystemprovidingenhancedfrequencyresponse
_version_	1718372981695053824

A cooperative management strategy for battery energy storage system providing Enhanced Frequency Response

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