Distributed generation network design considering ground capacitive couplings
Distributed Generation (DG) systems using power-electronics-based grid interfaces magnify the problem of ground capacitive couplings in modern distribution networks. The application of simplified models to DG installations neglects the current distortion, potential rise, and losses in the system as...
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| Veröffentlicht in: | Renewable energy 2012-09, Vol.45, p.119-127 |
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| creator | El Halabi, N. García-Gracia, M. Comech, M.P. Oyarbide, E. |
| description | Distributed Generation (DG) systems using power-electronics-based grid interfaces magnify the problem of ground capacitive couplings in modern distribution networks. The application of simplified models to DG installations neglects the current distortion, potential rise, and losses in the system as consequence of the capacitive coupling within the installation. These capacitive couplings represent a leakage impedance loop for the capacitive currents imposed by the high-frequency switching of power converters.
This paper proposes a suitable method to reproduce this DG harmonic current injection into the distribution network. The capacitive coupling proposed for DG installation with ground is modeled as a parallel resistance and capacitor arrangement, and leads to an accurate approximation to the real operation response of the DG networks. Simulation results are presented together with solutions based on the proposed model to minimize the capacitive ground current in DG networks. Objectives include for meeting typical power quality regulations concerning harmonic distortion, improving safety, and optimizing the efficiency of the installation.
► High penetration of DG magnifies ground capacitive couplings. ► Capacitive couplings become significant due to high frequency currents. ► Proposed model allows reproducing effect of this phenomenon in DG networks. ► Capacitive coupling models of PV and wind installations are deduced. ► Simulations are based on DG network with PV and wind installations, and loads. |
| doi_str_mv | 10.1016/j.renene.2012.02.024 |
| format | Article |
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This paper proposes a suitable method to reproduce this DG harmonic current injection into the distribution network. The capacitive coupling proposed for DG installation with ground is modeled as a parallel resistance and capacitor arrangement, and leads to an accurate approximation to the real operation response of the DG networks. Simulation results are presented together with solutions based on the proposed model to minimize the capacitive ground current in DG networks. Objectives include for meeting typical power quality regulations concerning harmonic distortion, improving safety, and optimizing the efficiency of the installation.
► High penetration of DG magnifies ground capacitive couplings. ► Capacitive couplings become significant due to high frequency currents. ► Proposed model allows reproducing effect of this phenomenon in DG networks. ► Capacitive coupling models of PV and wind installations are deduced. ► Simulations are based on DG network with PV and wind installations, and loads.</description><identifier>ISSN: 0960-1481</identifier><identifier>EISSN: 1879-0682</identifier><identifier>DOI: 10.1016/j.renene.2012.02.024</identifier><language>eng</language><publisher>Oxford: Elsevier Ltd</publisher><subject>Applied sciences ; Capacitive couplings ; Computer simulation ; Couplings ; Distributed generation networks ; Energy ; Equipments, installations and applications ; Exact sciences and technology ; Grounds ; Harmonics ; Joining ; Natural energy ; Networks ; Photovoltaic conversion ; PV installation modeling ; Renewable energy ; Solar energy ; Switching theory ; Wind energy ; Wind farms modeling</subject><ispartof>Renewable energy, 2012-09, Vol.45, p.119-127</ispartof><rights>2012 Elsevier Ltd</rights><rights>2014 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c402t-2b6747b0262da8ff556b2074d988b5d2abe7342fa24153ca085d9aab00064ca03</citedby><cites>FETCH-LOGICAL-c402t-2b6747b0262da8ff556b2074d988b5d2abe7342fa24153ca085d9aab00064ca03</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0960148112001632$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=25815980$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>El Halabi, N.</creatorcontrib><creatorcontrib>García-Gracia, M.</creatorcontrib><creatorcontrib>Comech, M.P.</creatorcontrib><creatorcontrib>Oyarbide, E.</creatorcontrib><title>Distributed generation network design considering ground capacitive couplings</title><title>Renewable energy</title><description>Distributed Generation (DG) systems using power-electronics-based grid interfaces magnify the problem of ground capacitive couplings in modern distribution networks. The application of simplified models to DG installations neglects the current distortion, potential rise, and losses in the system as consequence of the capacitive coupling within the installation. These capacitive couplings represent a leakage impedance loop for the capacitive currents imposed by the high-frequency switching of power converters.
This paper proposes a suitable method to reproduce this DG harmonic current injection into the distribution network. The capacitive coupling proposed for DG installation with ground is modeled as a parallel resistance and capacitor arrangement, and leads to an accurate approximation to the real operation response of the DG networks. Simulation results are presented together with solutions based on the proposed model to minimize the capacitive ground current in DG networks. Objectives include for meeting typical power quality regulations concerning harmonic distortion, improving safety, and optimizing the efficiency of the installation.
► High penetration of DG magnifies ground capacitive couplings. ► Capacitive couplings become significant due to high frequency currents. ► Proposed model allows reproducing effect of this phenomenon in DG networks. ► Capacitive coupling models of PV and wind installations are deduced. ► Simulations are based on DG network with PV and wind installations, and loads.</description><subject>Applied sciences</subject><subject>Capacitive couplings</subject><subject>Computer simulation</subject><subject>Couplings</subject><subject>Distributed generation networks</subject><subject>Energy</subject><subject>Equipments, installations and applications</subject><subject>Exact sciences and technology</subject><subject>Grounds</subject><subject>Harmonics</subject><subject>Joining</subject><subject>Natural energy</subject><subject>Networks</subject><subject>Photovoltaic conversion</subject><subject>PV installation modeling</subject><subject>Renewable energy</subject><subject>Solar energy</subject><subject>Switching theory</subject><subject>Wind energy</subject><subject>Wind farms modeling</subject><issn>0960-1481</issn><issn>1879-0682</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><recordid>eNqFkE1LxDAQhoMouK7-Aw-9CF66TrJJm14EWT9hxYueQ5pMl6zddE1axX9vyi4elRkYhnnmneEl5JzCjAItrtazgD7FjAFlMxiTH5AJlWWVQyHZIZlAVUBOuaTH5CTGNQAVsuQT8nzrYh9cPfRos1XSCLp3nc889l9deM8sRrfymel8dBaD86tsFbrB28zorTaud5-YpsO2TaN4So4a3UY829cpebu_e1085suXh6fFzTI3HFifs7ooeVkDK5jVsmmEKGoGJbeVlLWwTNdYzjlrNONUzI0GKWyldQ0ABU_tfEoud7rb0H0MGHu1cdFg22qP3RAVLUuYiyRL_0eBckohOZdQvkNN6GIM2KhtcBsdvhM0coVaq53RajRawZg8rV3sL-hodNsE7Y2Lv7tMSCoqOT59veMwOfPpMKhoHHqD1gU0vbKd-_vQD4frlcw</recordid><startdate>20120901</startdate><enddate>20120901</enddate><creator>El Halabi, N.</creator><creator>García-Gracia, M.</creator><creator>Comech, M.P.</creator><creator>Oyarbide, E.</creator><general>Elsevier Ltd</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7ST</scope><scope>7U6</scope><scope>C1K</scope><scope>SOI</scope><scope>7SU</scope><scope>7TB</scope><scope>8FD</scope><scope>FR3</scope></search><sort><creationdate>20120901</creationdate><title>Distributed generation network design considering ground capacitive couplings</title><author>El Halabi, N. ; García-Gracia, M. ; Comech, M.P. ; Oyarbide, E.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c402t-2b6747b0262da8ff556b2074d988b5d2abe7342fa24153ca085d9aab00064ca03</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>Applied sciences</topic><topic>Capacitive couplings</topic><topic>Computer simulation</topic><topic>Couplings</topic><topic>Distributed generation networks</topic><topic>Energy</topic><topic>Equipments, installations and applications</topic><topic>Exact sciences and technology</topic><topic>Grounds</topic><topic>Harmonics</topic><topic>Joining</topic><topic>Natural energy</topic><topic>Networks</topic><topic>Photovoltaic conversion</topic><topic>PV installation modeling</topic><topic>Renewable energy</topic><topic>Solar energy</topic><topic>Switching theory</topic><topic>Wind energy</topic><topic>Wind farms modeling</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>El Halabi, N.</creatorcontrib><creatorcontrib>García-Gracia, M.</creatorcontrib><creatorcontrib>Comech, M.P.</creatorcontrib><creatorcontrib>Oyarbide, E.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Environment Abstracts</collection><collection>Sustainability Science Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Environment Abstracts</collection><collection>Environmental Engineering Abstracts</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><jtitle>Renewable energy</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>El Halabi, N.</au><au>García-Gracia, M.</au><au>Comech, M.P.</au><au>Oyarbide, E.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Distributed generation network design considering ground capacitive couplings</atitle><jtitle>Renewable energy</jtitle><date>2012-09-01</date><risdate>2012</risdate><volume>45</volume><spage>119</spage><epage>127</epage><pages>119-127</pages><issn>0960-1481</issn><eissn>1879-0682</eissn><abstract>Distributed Generation (DG) systems using power-electronics-based grid interfaces magnify the problem of ground capacitive couplings in modern distribution networks. The application of simplified models to DG installations neglects the current distortion, potential rise, and losses in the system as consequence of the capacitive coupling within the installation. These capacitive couplings represent a leakage impedance loop for the capacitive currents imposed by the high-frequency switching of power converters.
This paper proposes a suitable method to reproduce this DG harmonic current injection into the distribution network. The capacitive coupling proposed for DG installation with ground is modeled as a parallel resistance and capacitor arrangement, and leads to an accurate approximation to the real operation response of the DG networks. Simulation results are presented together with solutions based on the proposed model to minimize the capacitive ground current in DG networks. Objectives include for meeting typical power quality regulations concerning harmonic distortion, improving safety, and optimizing the efficiency of the installation.
► High penetration of DG magnifies ground capacitive couplings. ► Capacitive couplings become significant due to high frequency currents. ► Proposed model allows reproducing effect of this phenomenon in DG networks. ► Capacitive coupling models of PV and wind installations are deduced. ► Simulations are based on DG network with PV and wind installations, and loads.</abstract><cop>Oxford</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.renene.2012.02.024</doi><tpages>9</tpages></addata></record> |
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| source | Elsevier ScienceDirect Journals |
| subjects | Applied sciences Capacitive couplings Computer simulation Couplings Distributed generation networks Energy Equipments, installations and applications Exact sciences and technology Grounds Harmonics Joining Natural energy Networks Photovoltaic conversion PV installation modeling Renewable energy Solar energy Switching theory Wind energy Wind farms modeling |
| title | Distributed generation network design considering ground capacitive couplings |
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