A review on recent developments in control and optimization of micro grids
Modern utility grid is experiencing a transition from conservative centralized generation structure to a more distributed and decentralized structure. To achieve this transition, decentralized energy sources and loads must be seamlessly integrated and isolated from main grid structure. Realization o...
Ausführliche Beschreibung
Autor*in: |
Saima Ishaq [verfasserIn] Irfan Khan [verfasserIn] Syed Rahman [verfasserIn] Tanveer Hussain [verfasserIn] Atif Iqbal [verfasserIn] Rajvikram Madurai Elavarasan [verfasserIn] |
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E-Artikel |
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Sprache: |
Englisch |
Erschienen: |
2022 |
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Übergeordnetes Werk: |
In: Energy Reports - Elsevier, 2016, 8(2022), Seite 4085-4103 |
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Übergeordnetes Werk: |
volume:8 ; year:2022 ; pages:4085-4103 |
Links: |
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DOI / URN: |
10.1016/j.egyr.2022.01.080 |
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Katalog-ID: |
DOAJ046777687 |
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520 | |a Modern utility grid is experiencing a transition from conservative centralized generation structure to a more distributed and decentralized structure. To achieve this transition, decentralized energy sources and loads must be seamlessly integrated and isolated from main grid structure. Realization of one such approach is termed as “Microgrid”. Microgrids (MGs) are a source of clean, efficient, and an economical way to integrating renewable energy sources and loads to the main grid. Higher penetration levels of MG would lead to significant perturbations with time periods being lower than conventional dynamic responses. This may pose problems of stable operation for the entire utility grid. For addressing this problem, this paper gives an in-depth literature review on the different control structure of MGs. As control dynamics required vary significantly, depending upon the integrated source, connected loads and ratings of the MG, it is important to understand the different structures of MG. Thus, categorization of MG based on different criteria such as distributed energy resources (DERs), type of distribution systems, modes of operation, and types of communication links used are first studied. As modern control structures are layered to achieve dynamic responses at different time constants, hierarchical controls are implemented. To address this concern, different levels of hierarchical controls are also discussed along with the control strategies of integrating various renewable energy resources in MGs. Different methods of controls are analyzed and assessed in each category and the major issues faced in the current infrastructure are noted. As the grid is moving towards optimal design of microgrid structures this manuscript reviews a number of optimization techniques along with their benefits and drawbacks. | ||
650 | 4 | |a Microgrid structures | |
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653 | 0 | |a Electrical engineering. Electronics. Nuclear engineering | |
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700 | 0 | |a Rajvikram Madurai Elavarasan |e verfasserin |4 aut | |
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10.1016/j.egyr.2022.01.080 doi (DE-627)DOAJ046777687 (DE-599)DOAJ39bedbf4a5ef4df197fa8bbb796d2211 DE-627 ger DE-627 rakwb eng TK1-9971 Saima Ishaq verfasserin aut A review on recent developments in control and optimization of micro grids 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Modern utility grid is experiencing a transition from conservative centralized generation structure to a more distributed and decentralized structure. To achieve this transition, decentralized energy sources and loads must be seamlessly integrated and isolated from main grid structure. Realization of one such approach is termed as “Microgrid”. Microgrids (MGs) are a source of clean, efficient, and an economical way to integrating renewable energy sources and loads to the main grid. Higher penetration levels of MG would lead to significant perturbations with time periods being lower than conventional dynamic responses. This may pose problems of stable operation for the entire utility grid. For addressing this problem, this paper gives an in-depth literature review on the different control structure of MGs. As control dynamics required vary significantly, depending upon the integrated source, connected loads and ratings of the MG, it is important to understand the different structures of MG. Thus, categorization of MG based on different criteria such as distributed energy resources (DERs), type of distribution systems, modes of operation, and types of communication links used are first studied. As modern control structures are layered to achieve dynamic responses at different time constants, hierarchical controls are implemented. To address this concern, different levels of hierarchical controls are also discussed along with the control strategies of integrating various renewable energy resources in MGs. Different methods of controls are analyzed and assessed in each category and the major issues faced in the current infrastructure are noted. As the grid is moving towards optimal design of microgrid structures this manuscript reviews a number of optimization techniques along with their benefits and drawbacks. Microgrid structures Hierarchical control Optimization Distributed energy resources (DERs) Renewable energy Islanded Electrical engineering. Electronics. Nuclear engineering Irfan Khan verfasserin aut Syed Rahman verfasserin aut Tanveer Hussain verfasserin aut Atif Iqbal verfasserin aut Rajvikram Madurai Elavarasan verfasserin aut In Energy Reports Elsevier, 2016 8(2022), Seite 4085-4103 (DE-627)820689033 (DE-600)2814795-9 23524847 nnns volume:8 year:2022 pages:4085-4103 https://doi.org/10.1016/j.egyr.2022.01.080 kostenfrei https://doaj.org/article/39bedbf4a5ef4df197fa8bbb796d2211 kostenfrei http://www.sciencedirect.com/science/article/pii/S2352484722000804 kostenfrei https://doaj.org/toc/2352-4847 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2088 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4700 AR 8 2022 4085-4103 |
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10.1016/j.egyr.2022.01.080 doi (DE-627)DOAJ046777687 (DE-599)DOAJ39bedbf4a5ef4df197fa8bbb796d2211 DE-627 ger DE-627 rakwb eng TK1-9971 Saima Ishaq verfasserin aut A review on recent developments in control and optimization of micro grids 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Modern utility grid is experiencing a transition from conservative centralized generation structure to a more distributed and decentralized structure. To achieve this transition, decentralized energy sources and loads must be seamlessly integrated and isolated from main grid structure. Realization of one such approach is termed as “Microgrid”. Microgrids (MGs) are a source of clean, efficient, and an economical way to integrating renewable energy sources and loads to the main grid. Higher penetration levels of MG would lead to significant perturbations with time periods being lower than conventional dynamic responses. This may pose problems of stable operation for the entire utility grid. For addressing this problem, this paper gives an in-depth literature review on the different control structure of MGs. As control dynamics required vary significantly, depending upon the integrated source, connected loads and ratings of the MG, it is important to understand the different structures of MG. Thus, categorization of MG based on different criteria such as distributed energy resources (DERs), type of distribution systems, modes of operation, and types of communication links used are first studied. As modern control structures are layered to achieve dynamic responses at different time constants, hierarchical controls are implemented. To address this concern, different levels of hierarchical controls are also discussed along with the control strategies of integrating various renewable energy resources in MGs. Different methods of controls are analyzed and assessed in each category and the major issues faced in the current infrastructure are noted. As the grid is moving towards optimal design of microgrid structures this manuscript reviews a number of optimization techniques along with their benefits and drawbacks. Microgrid structures Hierarchical control Optimization Distributed energy resources (DERs) Renewable energy Islanded Electrical engineering. Electronics. Nuclear engineering Irfan Khan verfasserin aut Syed Rahman verfasserin aut Tanveer Hussain verfasserin aut Atif Iqbal verfasserin aut Rajvikram Madurai Elavarasan verfasserin aut In Energy Reports Elsevier, 2016 8(2022), Seite 4085-4103 (DE-627)820689033 (DE-600)2814795-9 23524847 nnns volume:8 year:2022 pages:4085-4103 https://doi.org/10.1016/j.egyr.2022.01.080 kostenfrei https://doaj.org/article/39bedbf4a5ef4df197fa8bbb796d2211 kostenfrei http://www.sciencedirect.com/science/article/pii/S2352484722000804 kostenfrei https://doaj.org/toc/2352-4847 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2088 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4700 AR 8 2022 4085-4103 |
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10.1016/j.egyr.2022.01.080 doi (DE-627)DOAJ046777687 (DE-599)DOAJ39bedbf4a5ef4df197fa8bbb796d2211 DE-627 ger DE-627 rakwb eng TK1-9971 Saima Ishaq verfasserin aut A review on recent developments in control and optimization of micro grids 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Modern utility grid is experiencing a transition from conservative centralized generation structure to a more distributed and decentralized structure. To achieve this transition, decentralized energy sources and loads must be seamlessly integrated and isolated from main grid structure. Realization of one such approach is termed as “Microgrid”. Microgrids (MGs) are a source of clean, efficient, and an economical way to integrating renewable energy sources and loads to the main grid. Higher penetration levels of MG would lead to significant perturbations with time periods being lower than conventional dynamic responses. This may pose problems of stable operation for the entire utility grid. For addressing this problem, this paper gives an in-depth literature review on the different control structure of MGs. As control dynamics required vary significantly, depending upon the integrated source, connected loads and ratings of the MG, it is important to understand the different structures of MG. Thus, categorization of MG based on different criteria such as distributed energy resources (DERs), type of distribution systems, modes of operation, and types of communication links used are first studied. As modern control structures are layered to achieve dynamic responses at different time constants, hierarchical controls are implemented. To address this concern, different levels of hierarchical controls are also discussed along with the control strategies of integrating various renewable energy resources in MGs. Different methods of controls are analyzed and assessed in each category and the major issues faced in the current infrastructure are noted. As the grid is moving towards optimal design of microgrid structures this manuscript reviews a number of optimization techniques along with their benefits and drawbacks. Microgrid structures Hierarchical control Optimization Distributed energy resources (DERs) Renewable energy Islanded Electrical engineering. Electronics. Nuclear engineering Irfan Khan verfasserin aut Syed Rahman verfasserin aut Tanveer Hussain verfasserin aut Atif Iqbal verfasserin aut Rajvikram Madurai Elavarasan verfasserin aut In Energy Reports Elsevier, 2016 8(2022), Seite 4085-4103 (DE-627)820689033 (DE-600)2814795-9 23524847 nnns volume:8 year:2022 pages:4085-4103 https://doi.org/10.1016/j.egyr.2022.01.080 kostenfrei https://doaj.org/article/39bedbf4a5ef4df197fa8bbb796d2211 kostenfrei http://www.sciencedirect.com/science/article/pii/S2352484722000804 kostenfrei https://doaj.org/toc/2352-4847 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2088 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4700 AR 8 2022 4085-4103 |
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10.1016/j.egyr.2022.01.080 doi (DE-627)DOAJ046777687 (DE-599)DOAJ39bedbf4a5ef4df197fa8bbb796d2211 DE-627 ger DE-627 rakwb eng TK1-9971 Saima Ishaq verfasserin aut A review on recent developments in control and optimization of micro grids 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Modern utility grid is experiencing a transition from conservative centralized generation structure to a more distributed and decentralized structure. To achieve this transition, decentralized energy sources and loads must be seamlessly integrated and isolated from main grid structure. Realization of one such approach is termed as “Microgrid”. Microgrids (MGs) are a source of clean, efficient, and an economical way to integrating renewable energy sources and loads to the main grid. Higher penetration levels of MG would lead to significant perturbations with time periods being lower than conventional dynamic responses. This may pose problems of stable operation for the entire utility grid. For addressing this problem, this paper gives an in-depth literature review on the different control structure of MGs. As control dynamics required vary significantly, depending upon the integrated source, connected loads and ratings of the MG, it is important to understand the different structures of MG. Thus, categorization of MG based on different criteria such as distributed energy resources (DERs), type of distribution systems, modes of operation, and types of communication links used are first studied. As modern control structures are layered to achieve dynamic responses at different time constants, hierarchical controls are implemented. To address this concern, different levels of hierarchical controls are also discussed along with the control strategies of integrating various renewable energy resources in MGs. Different methods of controls are analyzed and assessed in each category and the major issues faced in the current infrastructure are noted. As the grid is moving towards optimal design of microgrid structures this manuscript reviews a number of optimization techniques along with their benefits and drawbacks. Microgrid structures Hierarchical control Optimization Distributed energy resources (DERs) Renewable energy Islanded Electrical engineering. Electronics. Nuclear engineering Irfan Khan verfasserin aut Syed Rahman verfasserin aut Tanveer Hussain verfasserin aut Atif Iqbal verfasserin aut Rajvikram Madurai Elavarasan verfasserin aut In Energy Reports Elsevier, 2016 8(2022), Seite 4085-4103 (DE-627)820689033 (DE-600)2814795-9 23524847 nnns volume:8 year:2022 pages:4085-4103 https://doi.org/10.1016/j.egyr.2022.01.080 kostenfrei https://doaj.org/article/39bedbf4a5ef4df197fa8bbb796d2211 kostenfrei http://www.sciencedirect.com/science/article/pii/S2352484722000804 kostenfrei https://doaj.org/toc/2352-4847 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2088 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4700 AR 8 2022 4085-4103 |
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A review on recent developments in control and optimization of micro grids |
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Modern utility grid is experiencing a transition from conservative centralized generation structure to a more distributed and decentralized structure. To achieve this transition, decentralized energy sources and loads must be seamlessly integrated and isolated from main grid structure. Realization of one such approach is termed as “Microgrid”. Microgrids (MGs) are a source of clean, efficient, and an economical way to integrating renewable energy sources and loads to the main grid. Higher penetration levels of MG would lead to significant perturbations with time periods being lower than conventional dynamic responses. This may pose problems of stable operation for the entire utility grid. For addressing this problem, this paper gives an in-depth literature review on the different control structure of MGs. As control dynamics required vary significantly, depending upon the integrated source, connected loads and ratings of the MG, it is important to understand the different structures of MG. Thus, categorization of MG based on different criteria such as distributed energy resources (DERs), type of distribution systems, modes of operation, and types of communication links used are first studied. As modern control structures are layered to achieve dynamic responses at different time constants, hierarchical controls are implemented. To address this concern, different levels of hierarchical controls are also discussed along with the control strategies of integrating various renewable energy resources in MGs. Different methods of controls are analyzed and assessed in each category and the major issues faced in the current infrastructure are noted. As the grid is moving towards optimal design of microgrid structures this manuscript reviews a number of optimization techniques along with their benefits and drawbacks. |
abstractGer |
Modern utility grid is experiencing a transition from conservative centralized generation structure to a more distributed and decentralized structure. To achieve this transition, decentralized energy sources and loads must be seamlessly integrated and isolated from main grid structure. Realization of one such approach is termed as “Microgrid”. Microgrids (MGs) are a source of clean, efficient, and an economical way to integrating renewable energy sources and loads to the main grid. Higher penetration levels of MG would lead to significant perturbations with time periods being lower than conventional dynamic responses. This may pose problems of stable operation for the entire utility grid. For addressing this problem, this paper gives an in-depth literature review on the different control structure of MGs. As control dynamics required vary significantly, depending upon the integrated source, connected loads and ratings of the MG, it is important to understand the different structures of MG. Thus, categorization of MG based on different criteria such as distributed energy resources (DERs), type of distribution systems, modes of operation, and types of communication links used are first studied. As modern control structures are layered to achieve dynamic responses at different time constants, hierarchical controls are implemented. To address this concern, different levels of hierarchical controls are also discussed along with the control strategies of integrating various renewable energy resources in MGs. Different methods of controls are analyzed and assessed in each category and the major issues faced in the current infrastructure are noted. As the grid is moving towards optimal design of microgrid structures this manuscript reviews a number of optimization techniques along with their benefits and drawbacks. |
abstract_unstemmed |
Modern utility grid is experiencing a transition from conservative centralized generation structure to a more distributed and decentralized structure. To achieve this transition, decentralized energy sources and loads must be seamlessly integrated and isolated from main grid structure. Realization of one such approach is termed as “Microgrid”. Microgrids (MGs) are a source of clean, efficient, and an economical way to integrating renewable energy sources and loads to the main grid. Higher penetration levels of MG would lead to significant perturbations with time periods being lower than conventional dynamic responses. This may pose problems of stable operation for the entire utility grid. For addressing this problem, this paper gives an in-depth literature review on the different control structure of MGs. As control dynamics required vary significantly, depending upon the integrated source, connected loads and ratings of the MG, it is important to understand the different structures of MG. Thus, categorization of MG based on different criteria such as distributed energy resources (DERs), type of distribution systems, modes of operation, and types of communication links used are first studied. As modern control structures are layered to achieve dynamic responses at different time constants, hierarchical controls are implemented. To address this concern, different levels of hierarchical controls are also discussed along with the control strategies of integrating various renewable energy resources in MGs. Different methods of controls are analyzed and assessed in each category and the major issues faced in the current infrastructure are noted. As the grid is moving towards optimal design of microgrid structures this manuscript reviews a number of optimization techniques along with their benefits and drawbacks. |
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