Comparative study of reactive power control methods for photovoltaic inverters in low-voltage grids
The increasing installation of photovoltaic panels in low-voltage grids causes an over voltage problem, especially during high production and low consumption periods. Generally the over voltage problem is overcome by implementing reactive power control methods. The advances in networked control syst...
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creator | Momeneh, Arash Castilla, Miguel Miret, Jaume Martí, Pau Velasco, Manel |
description | The increasing installation of photovoltaic panels in low-voltage grids causes an over voltage problem, especially during high production and low consumption periods. Generally the over voltage problem is overcome by implementing reactive power control methods. The advances in networked control systems theory and practice create new scenarios where reactive power control methods can offer additional features and benefits. To explore these new capabilities, this study presents two new reactive power control methods that exploit the networked approach. These two methods are evaluated in a comparative reference framework that also includes the base-line case where no reactive control method is applied, the conventional droop method approach, and a solution based on a near-optimal location of a high power STATCOM derived from one of the new proposed networked methods. The main merit factors used to compare the control methods are the maximum voltage across the distribution grid, the power factor in the point of common coupling, and the total power losses and economic cost of the installation. With these merit factors, the advantages and limitations of the new and existing control methods are revealed and discussed. A useful discussion for selecting the best control solution is also reported. |
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Generally the over voltage problem is overcome by implementing reactive power control methods. The advances in networked control systems theory and practice create new scenarios where reactive power control methods can offer additional features and benefits. To explore these new capabilities, this study presents two new reactive power control methods that exploit the networked approach. These two methods are evaluated in a comparative reference framework that also includes the base-line case where no reactive control method is applied, the conventional droop method approach, and a solution based on a near-optimal location of a high power STATCOM derived from one of the new proposed networked methods. The main merit factors used to compare the control methods are the maximum voltage across the distribution grid, the power factor in the point of common coupling, and the total power losses and economic cost of the installation. 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Generally the over voltage problem is overcome by implementing reactive power control methods. The advances in networked control systems theory and practice create new scenarios where reactive power control methods can offer additional features and benefits. To explore these new capabilities, this study presents two new reactive power control methods that exploit the networked approach. These two methods are evaluated in a comparative reference framework that also includes the base-line case where no reactive control method is applied, the conventional droop method approach, and a solution based on a near-optimal location of a high power STATCOM derived from one of the new proposed networked methods. The main merit factors used to compare the control methods are the maximum voltage across the distribution grid, the power factor in the point of common coupling, and the total power losses and economic cost of the installation. 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A useful discussion for selecting the best control solution is also reported.</description><subject>Consumption</subject><subject>Control systems</subject><subject>Coupling</subject><subject>Denmark</subject><subject>Distribució</subject><subject>distribution feeders</subject><subject>distribution networks</subject><subject>distribution-systems</subject><subject>droop method</subject><subject>Electric potential</subject><subject>Energia elèctrica</subject><subject>Energies</subject><subject>generation</subject><subject>high power STATCOM</subject><subject>implementation</subject><subject>invertors</subject><subject>low voltage grids</subject><subject>modules</subject><subject>nearoptimal location</subject><subject>operation</subject><subject>over-voltage problem</subject><subject>Photovoltaic cells</subject><subject>photovoltaic inverters</subject><subject>photovoltaic panels</subject><subject>photovoltaic power systems</subject><subject>point tracking controller</subject><subject>Reactive power</subject><subject>Reactive power (Electrical engineering)</subject><subject>reactive power control</subject><subject>reactive power control method</subject><subject>Solar cells</subject><subject>static VAr compensators</subject><subject>support</subject><subject>total power loss</subject><subject>volt/var control</subject><subject>Voltage</subject><subject>Àrees temàtiques de la UPC</subject><issn>1752-1416</issn><issn>1752-1424</issn><issn>1752-1424</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><sourceid>XX2</sourceid><recordid>eNqNkU1r3DAQhk1JoUmaH9Cbjs3BW42ssde9NUu-IJASkrOQZWmj4F25I3mX_fexs6EtpTQ9iBnNvM-M0Jtln4DPgMv6i7cpp345ExzkjEsu3mWHUKHIQQp58DOH8kN2FOMT51jzeXmYmUVY9Zp08hvLYhraHQuOkdXmpdKHrSVmwjpR6NjKpsfQRuYCsf4xpLAJXdLeML_eWEqW4pixLmzzl8bSsiX5Nn7M3jvdRXvyGo-zh4vz-8VVfnN7eb34dpMbBMTcmLpBLGUjuKixhcK0lcOqqR02Y6NB3aDD2oBAcCAdtzWvyrZoSiMlFrI4zmA_18TBKLLGktFJBe1_XaYjeCWUKKES1ch83jM9hR-DjUmtfDS26_TahiEqmBdYcixr-A8pwHz-x0soxEjWqZ78StNOAVeTX2r0S41-qckvNfk1Ml_3zNZ3dvc2oO6-X4qzC84LgSOc7-FJ9hQGWo8f_c9lp3_RX5_fT1N_29G3rngGGqG5cw</recordid><startdate>201603</startdate><enddate>201603</enddate><creator>Momeneh, Arash</creator><creator>Castilla, Miguel</creator><creator>Miret, Jaume</creator><creator>Martí, Pau</creator><creator>Velasco, Manel</creator><general>The Institution of Engineering and Technology</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7ST</scope><scope>7TN</scope><scope>C1K</scope><scope>F1W</scope><scope>H96</scope><scope>L.G</scope><scope>SOI</scope><scope>7SP</scope><scope>7TB</scope><scope>8FD</scope><scope>FR3</scope><scope>L7M</scope><scope>XX2</scope><orcidid>https://orcid.org/0000-0002-3284-860X</orcidid></search><sort><creationdate>201603</creationdate><title>Comparative study of reactive power control methods for photovoltaic inverters in low-voltage grids</title><author>Momeneh, Arash ; Castilla, Miguel ; Miret, Jaume ; Martí, Pau ; Velasco, Manel</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c5155-cc9b5564b20295d13cd7f57b9f5bb55b5ab5f59c1251f14f0e9076d3b6c445343</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>Consumption</topic><topic>Control systems</topic><topic>Coupling</topic><topic>Denmark</topic><topic>Distribució</topic><topic>distribution feeders</topic><topic>distribution networks</topic><topic>distribution-systems</topic><topic>droop method</topic><topic>Electric potential</topic><topic>Energia elèctrica</topic><topic>Energies</topic><topic>generation</topic><topic>high power STATCOM</topic><topic>implementation</topic><topic>invertors</topic><topic>low voltage grids</topic><topic>modules</topic><topic>nearoptimal location</topic><topic>operation</topic><topic>over-voltage problem</topic><topic>Photovoltaic cells</topic><topic>photovoltaic inverters</topic><topic>photovoltaic panels</topic><topic>photovoltaic power systems</topic><topic>point tracking controller</topic><topic>Reactive power</topic><topic>Reactive power (Electrical engineering)</topic><topic>reactive power control</topic><topic>reactive power control method</topic><topic>Solar cells</topic><topic>static VAr compensators</topic><topic>support</topic><topic>total power loss</topic><topic>volt/var control</topic><topic>Voltage</topic><topic>Àrees temàtiques de la UPC</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Momeneh, Arash</creatorcontrib><creatorcontrib>Castilla, Miguel</creatorcontrib><creatorcontrib>Miret, Jaume</creatorcontrib><creatorcontrib>Martí, Pau</creatorcontrib><creatorcontrib>Velasco, Manel</creatorcontrib><collection>CrossRef</collection><collection>Environment Abstracts</collection><collection>Oceanic Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 2: Ocean Technology, Policy & Non-Living Resources</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Environment Abstracts</collection><collection>Electronics & Communications Abstracts</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Recercat</collection><jtitle>IET renewable power generation</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Momeneh, Arash</au><au>Castilla, Miguel</au><au>Miret, Jaume</au><au>Martí, Pau</au><au>Velasco, Manel</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Comparative study of reactive power control methods for photovoltaic inverters in low-voltage grids</atitle><jtitle>IET renewable power generation</jtitle><date>2016-03</date><risdate>2016</risdate><volume>10</volume><issue>3</issue><spage>310</spage><epage>318</epage><pages>310-318</pages><issn>1752-1416</issn><issn>1752-1424</issn><eissn>1752-1424</eissn><abstract>The increasing installation of photovoltaic panels in low-voltage grids causes an over voltage problem, especially during high production and low consumption periods. 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subjects | Consumption Control systems Coupling Denmark Distribució distribution feeders distribution networks distribution-systems droop method Electric potential Energia elèctrica Energies generation high power STATCOM implementation invertors low voltage grids modules nearoptimal location operation over-voltage problem Photovoltaic cells photovoltaic inverters photovoltaic panels photovoltaic power systems point tracking controller Reactive power Reactive power (Electrical engineering) reactive power control reactive power control method Solar cells static VAr compensators support total power loss volt/var control Voltage Àrees temàtiques de la UPC |
title | Comparative study of reactive power control methods for photovoltaic inverters in low-voltage grids |
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