Assessment and Performance Comparison of Positive Feedback Islanding Detection Methods in DC Distribution Systems
Due to the high penetration level of dc-based distributed generators (DGs) and dc loads, dc distribution systems are gaining widespread acceptance in modern power grids. Therefore, dc distribution systems are expected to operate parallel to the existing ac ones. However, the techniques of islanding...
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| Veröffentlicht in: | IEEE transactions on power electronics 2017-08, Vol.32 (8), p.6577-6594 |
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| creator | Mohamad, Ahmed M. I. Mohamed, Yasser Abdel-Rady I. |
| description | Due to the high penetration level of dc-based distributed generators (DGs) and dc loads, dc distribution systems are gaining widespread acceptance in modern power grids. Therefore, dc distribution systems are expected to operate parallel to the existing ac ones. However, the techniques of islanding detection in dc grids have not been fully studied in the current literature. This paper presents a detailed analysis, performance comparison, and design guidelines of four different positive feedback islanding detection methods in dc distribution systems. In each method, the range of control parameters that guarantee system stability is analytically obtained. The effects of system parameters, such as the dc system resistance and inductance, DG filter capacitance, and local load resistance, on each islanding detection method, are thoroughly addressed. Furthermore, the interactions between DGs connected at different locations of the distribution feeder and equipped with positive feedback islanding detection methods are studied and characterized. Detailed time-domain nonlinear simulations and experimental results validate the analytical results. |
| doi_str_mv | 10.1109/TPEL.2016.2618220 |
| format | Article |
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Furthermore, the interactions between DGs connected at different locations of the distribution feeder and equipped with positive feedback islanding detection methods are studied and characterized. 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I.</creatorcontrib><creatorcontrib>Mohamed, Yasser Abdel-Rady I.</creatorcontrib><title>Assessment and Performance Comparison of Positive Feedback Islanding Detection Methods in DC Distribution Systems</title><title>IEEE transactions on power electronics</title><addtitle>TPEL</addtitle><description>Due to the high penetration level of dc-based distributed generators (DGs) and dc loads, dc distribution systems are gaining widespread acceptance in modern power grids. Therefore, dc distribution systems are expected to operate parallel to the existing ac ones. However, the techniques of islanding detection in dc grids have not been fully studied in the current literature. This paper presents a detailed analysis, performance comparison, and design guidelines of four different positive feedback islanding detection methods in dc distribution systems. In each method, the range of control parameters that guarantee system stability is analytically obtained. The effects of system parameters, such as the dc system resistance and inductance, DG filter capacitance, and local load resistance, on each islanding detection method, are thoroughly addressed. Furthermore, the interactions between DGs connected at different locations of the distribution feeder and equipped with positive feedback islanding detection methods are studied and characterized. Detailed time-domain nonlinear simulations and experimental results validate the analytical results.</description><subject>Active islanding detection</subject><subject>Capacitance</subject><subject>Control stability</subject><subject>dc distribution systems</subject><subject>Distributed generation</subject><subject>Electric power distribution</subject><subject>Electric power grids</subject><subject>Electric power systems</subject><subject>Inductance</subject><subject>Islanding</subject><subject>Islanding technique</subject><subject>Load distribution (forces)</subject><subject>Load modeling</subject><subject>Load resistance</subject><subject>Parameters</subject><subject>Positive feedback</subject><subject>Power system stability</subject><subject>Resistance</subject><subject>stability</subject><subject>Stability analysis</subject><subject>Stress concentration</subject><subject>Systems stability</subject><subject>Voltage control</subject><issn>0885-8993</issn><issn>1941-0107</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNo9kE1LxDAQhoMouK7-APES8Nw1kzRtc5Rdv2DFBfVc0naiUdusmazgv7friqeBd553Bh7GTkHMAIS5eFpdLWdSQDGTBVRSij02AZNDJkCU-2wiqkpnlTHqkB0RvQkBuRYwYZ-XREjU45C4HTq-wuhC7O3QIp-Hfm2jpzDw4PgqkE_-C_k1YtfY9p3f0cdY8cMLX2DCNvkRvMf0GjrifuCLOV94StE3m9_V4zcl7OmYHTj7QXjyN6fs-frqaX6bLR9u7uaXy6yVRqWsa3SBlUGlZOvyQnWukk2hi1ah1rIwlVVOSiWkbByYMXTCdE7kuhRNZS2oKTvf3V3H8LlBSvVb2MRhfFlLKPNcg1blSMGOamMgiujqdfS9jd81iHprtt6arbdm6z-zY-ds1_GI-M-X2si8APUDCah1Yw</recordid><startdate>201708</startdate><enddate>201708</enddate><creator>Mohamad, Ahmed M. 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I.</creatorcontrib><creatorcontrib>Mohamed, Yasser Abdel-Rady I.</creatorcontrib><collection>IEEE All-Society Periodicals Package (ASPP) 2005-present</collection><collection>IEEE All-Society Periodicals Package (ASPP) 1998-Present</collection><collection>IEEE Electronic Library (IEL)</collection><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>ProQuest Computer Science Collection</collection><collection>Civil Engineering Abstracts</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>IEEE transactions on power electronics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Mohamad, Ahmed M. 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This paper presents a detailed analysis, performance comparison, and design guidelines of four different positive feedback islanding detection methods in dc distribution systems. In each method, the range of control parameters that guarantee system stability is analytically obtained. The effects of system parameters, such as the dc system resistance and inductance, DG filter capacitance, and local load resistance, on each islanding detection method, are thoroughly addressed. Furthermore, the interactions between DGs connected at different locations of the distribution feeder and equipped with positive feedback islanding detection methods are studied and characterized. Detailed time-domain nonlinear simulations and experimental results validate the analytical results.</abstract><cop>New York</cop><pub>IEEE</pub><doi>10.1109/TPEL.2016.2618220</doi><tpages>18</tpages></addata></record> |
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| source | IEEE Electronic Library (IEL) |
| subjects | Active islanding detection Capacitance Control stability dc distribution systems Distributed generation Electric power distribution Electric power grids Electric power systems Inductance Islanding Islanding technique Load distribution (forces) Load modeling Load resistance Parameters Positive feedback Power system stability Resistance stability Stability analysis Stress concentration Systems stability Voltage control |
| title | Assessment and Performance Comparison of Positive Feedback Islanding Detection Methods in DC Distribution Systems |
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