Comprehensive enhanced Newton Raphson approach for power flow analysis in droop-controlled islanded AC microgrids

One of the essential studies in the planning and operation of a microgrid is Power Flow (PF). Traditional PF methods are not applicable for droop-controlled islanded microgrids due to the absence of a slack bus in the system. The steady state characteristics of the system such as frequency, bus volt...

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Autores: Bayat, Mohammad, Koushki, Masoud Mehrabi, Ghadimi, Ali Asghar, Tostado-Véliz, Marcos, Jurado-Melguizo, Francisco
Tipo de recurso: artículo
Estado:Versión aceptada para publicación
Fecha de publicación:2022
País:España
Institución:Universidad de Jaén
Repositorio:RUJA. Repositorio Institucional de la Producción Científica de la Universidad de Jaén
OAI Identifier:oai:ruja.ujaen.es:10953/3542
Acceso en línea:https://www.sciencedirect.com/science/article/pii/S0142061522004987
https://hdl.handle.net/10953/3542
Access Level:acceso abierto
Palabra clave:Droop-controlled islanded microgrids
Newton Raphson
Power flow
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spelling Comprehensive enhanced Newton Raphson approach for power flow analysis in droop-controlled islanded AC microgridsBayat, MohammadKoushki, Masoud MehrabiGhadimi, Ali AsgharTostado-Véliz, MarcosJurado-Melguizo, FranciscoDroop-controlled islanded microgridsNewton RaphsonPower flowOne of the essential studies in the planning and operation of a microgrid is Power Flow (PF). Traditional PF methods are not applicable for droop-controlled islanded microgrids due to the absence of a slack bus in the system. The steady state characteristics of the system such as frequency, bus voltages, Distributed Generators’ (DG) output power, and actual loads’ demand are obtained based on the droop characteristics of the DGs, and also, the frequency and voltage dependency of the load. Therefore, in this paper, an Enhanced Newton Raphson (ENR) method is proposed for PF in the droop-controlled islanded microgrids. The proposed method is based on the well-known NR method but with a more comprehensive model that considers different droop schemes (resistive, inductive, and complex), load demand dependency on voltage and frequency, π line model, and shunt compensators. Moreover, a new index for selecting proper droop characteristics for any droop-controlled islanded microgrid is proposed. Five test systems with different scales, topologies, droop control strategies, and various load models are considered to evaluate the performance of the proposed method. The results are compared with the recently developed methods and steady-state results of Time-Domain simulations conducted in PLECS software. The results show that the proposed technique has excellent accuracy with low computational time and can be easily integrated into the currently available power system analysis tools.Elsevier202420242022info:eu-repo/semantics/articleinfo:eu-repo/semantics/acceptedVersionapplication/pdfhttps://www.sciencedirect.com/science/article/pii/S0142061522004987https://hdl.handle.net/10953/3542reponame:RUJA. Repositorio Institucional de la Producción Científica de la Universidad de Jaéninstname:Universidad de JaénInglésInternational Journal of Electrical Power & Energy Systems [2022]; [143]: [108493]Atribución-NoComercial-SinDerivadas 3.0 Españahttp://creativecommons.org/licenses/by-nc-nd/3.0/es/info:eu-repo/semantics/openAccessoai:ruja.ujaen.es:10953/35422026-06-24T12:41:07Z
dc.title.none.fl_str_mv Comprehensive enhanced Newton Raphson approach for power flow analysis in droop-controlled islanded AC microgrids
title Comprehensive enhanced Newton Raphson approach for power flow analysis in droop-controlled islanded AC microgrids
spellingShingle Comprehensive enhanced Newton Raphson approach for power flow analysis in droop-controlled islanded AC microgrids
Bayat, Mohammad
Droop-controlled islanded microgrids
Newton Raphson
Power flow
title_short Comprehensive enhanced Newton Raphson approach for power flow analysis in droop-controlled islanded AC microgrids
title_full Comprehensive enhanced Newton Raphson approach for power flow analysis in droop-controlled islanded AC microgrids
title_fullStr Comprehensive enhanced Newton Raphson approach for power flow analysis in droop-controlled islanded AC microgrids
title_full_unstemmed Comprehensive enhanced Newton Raphson approach for power flow analysis in droop-controlled islanded AC microgrids
title_sort Comprehensive enhanced Newton Raphson approach for power flow analysis in droop-controlled islanded AC microgrids
dc.creator.none.fl_str_mv Bayat, Mohammad
Koushki, Masoud Mehrabi
Ghadimi, Ali Asghar
Tostado-Véliz, Marcos
Jurado-Melguizo, Francisco
author Bayat, Mohammad
author_facet Bayat, Mohammad
Koushki, Masoud Mehrabi
Ghadimi, Ali Asghar
Tostado-Véliz, Marcos
Jurado-Melguizo, Francisco
author_role author
author2 Koushki, Masoud Mehrabi
Ghadimi, Ali Asghar
Tostado-Véliz, Marcos
Jurado-Melguizo, Francisco
author2_role author
author
author
author
dc.subject.none.fl_str_mv Droop-controlled islanded microgrids
Newton Raphson
Power flow
topic Droop-controlled islanded microgrids
Newton Raphson
Power flow
description One of the essential studies in the planning and operation of a microgrid is Power Flow (PF). Traditional PF methods are not applicable for droop-controlled islanded microgrids due to the absence of a slack bus in the system. The steady state characteristics of the system such as frequency, bus voltages, Distributed Generators’ (DG) output power, and actual loads’ demand are obtained based on the droop characteristics of the DGs, and also, the frequency and voltage dependency of the load. Therefore, in this paper, an Enhanced Newton Raphson (ENR) method is proposed for PF in the droop-controlled islanded microgrids. The proposed method is based on the well-known NR method but with a more comprehensive model that considers different droop schemes (resistive, inductive, and complex), load demand dependency on voltage and frequency, π line model, and shunt compensators. Moreover, a new index for selecting proper droop characteristics for any droop-controlled islanded microgrid is proposed. Five test systems with different scales, topologies, droop control strategies, and various load models are considered to evaluate the performance of the proposed method. The results are compared with the recently developed methods and steady-state results of Time-Domain simulations conducted in PLECS software. The results show that the proposed technique has excellent accuracy with low computational time and can be easily integrated into the currently available power system analysis tools.
publishDate 2022
dc.date.none.fl_str_mv 2022
2024
2024
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/acceptedVersion
format article
status_str acceptedVersion
dc.identifier.none.fl_str_mv https://www.sciencedirect.com/science/article/pii/S0142061522004987
https://hdl.handle.net/10953/3542
url https://www.sciencedirect.com/science/article/pii/S0142061522004987
https://hdl.handle.net/10953/3542
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv International Journal of Electrical Power & Energy Systems [2022]; [143]: [108493]
dc.rights.none.fl_str_mv Atribución-NoComercial-SinDerivadas 3.0 España
http://creativecommons.org/licenses/by-nc-nd/3.0/es/
info:eu-repo/semantics/openAccess
rights_invalid_str_mv Atribución-NoComercial-SinDerivadas 3.0 España
http://creativecommons.org/licenses/by-nc-nd/3.0/es/
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Elsevier
publisher.none.fl_str_mv Elsevier
dc.source.none.fl_str_mv reponame:RUJA. Repositorio Institucional de la Producción Científica de la Universidad de Jaén
instname:Universidad de Jaén
instname_str Universidad de Jaén
reponame_str RUJA. Repositorio Institucional de la Producción Científica de la Universidad de Jaén
collection RUJA. Repositorio Institucional de la Producción Científica de la Universidad de Jaén
repository.name.fl_str_mv
repository.mail.fl_str_mv
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