A new topology error detection approach for power system state estimation
The convergence property of state estimation is a critical issue for its following security assessment functions in energy management system. This paper studies the convergence property of the commonly used weighted least square (WLS) approach for the variations of load levels and system sizes. A ne...
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| creator | Bei Gou Yunzhi Cheng Weibiao Wu |
| description | The convergence property of state estimation is a critical issue for its following security assessment functions in energy management system. This paper studies the convergence property of the commonly used weighted least square (WLS) approach for the variations of load levels and system sizes. A new robust bad data processing approach is presented for the purpose of convergence and robustness in this paper. A comparison of robustness between WLS and the proposed approach has been performed. Numerical tests on IEEE 188 bus system and a real system with 5145 bus have been conducted for illustration of the proposed approach. |
| doi_str_mv | 10.1109/PES.2008.4596047 |
| format | Conference Proceeding |
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This paper studies the convergence property of the commonly used weighted least square (WLS) approach for the variations of load levels and system sizes. A new robust bad data processing approach is presented for the purpose of convergence and robustness in this paper. A comparison of robustness between WLS and the proposed approach has been performed. 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This paper studies the convergence property of the commonly used weighted least square (WLS) approach for the variations of load levels and system sizes. A new robust bad data processing approach is presented for the purpose of convergence and robustness in this paper. A comparison of robustness between WLS and the proposed approach has been performed. Numerical tests on IEEE 188 bus system and a real system with 5145 bus have been conducted for illustration of the proposed approach.</description><subject>bad data</subject><subject>blackouts</subject><subject>Fluid flow measurement</subject><subject>Load flow</subject><subject>measurement redundancy</subject><subject>Measurement uncertainty</subject><subject>Power measurement</subject><subject>reliability</subject><subject>robustness</subject><subject>State estimation</subject><subject>Topology</subject><subject>topology errors</subject><subject>tree</subject><subject>Voltage measurement</subject><subject>Weighted least square (WLS)</subject><issn>1932-5517</issn><isbn>9781424419050</isbn><isbn>1424419050</isbn><isbn>1424419069</isbn><isbn>9781424419067</isbn><fulltext>true</fulltext><rsrctype>conference_proceeding</rsrctype><creationdate>2008</creationdate><recordtype>conference_proceeding</recordtype><sourceid>6IE</sourceid><sourceid>RIE</sourceid><recordid>eNo1UE1LAzEUjKhgW3sXvOQPbM3L1-47llK1UFCw95K0L7rSNksSKPvvXbGehvlgBoaxBxAzAIFP78uPmRSimWmDVuj6io1BS60BhcVrNsW6-edG3LARoJKVMVDfsXHO30IYNfgjtprzE515iV08xM-eU0ox8T0V2pU2nrjruhTd7ouHQe7imRLPfS505Lm4QpxyaY_uN3rPboM7ZJpecMI2z8vN4rVav72sFvN11aIoVfBA0uq9DYqskQ6cQ40EUjujUepaBtDgbS3R-ECkQg1EvgnkKSj0asIe_2pbItp2aVhP_fbygvoBMPlPqQ</recordid><startdate>200807</startdate><enddate>200807</enddate><creator>Bei Gou</creator><creator>Yunzhi Cheng</creator><creator>Weibiao Wu</creator><general>IEEE</general><scope>6IE</scope><scope>6IH</scope><scope>CBEJK</scope><scope>RIE</scope><scope>RIO</scope></search><sort><creationdate>200807</creationdate><title>A new topology error detection approach for power system state estimation</title><author>Bei Gou ; Yunzhi Cheng ; Weibiao Wu</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-i90t-fb1e264d6f3e652a1aa949e124a5492472f141b67295bfee3f71eeb8febef39b3</frbrgroupid><rsrctype>conference_proceedings</rsrctype><prefilter>conference_proceedings</prefilter><language>eng</language><creationdate>2008</creationdate><topic>bad data</topic><topic>blackouts</topic><topic>Fluid flow measurement</topic><topic>Load flow</topic><topic>measurement redundancy</topic><topic>Measurement uncertainty</topic><topic>Power measurement</topic><topic>reliability</topic><topic>robustness</topic><topic>State estimation</topic><topic>Topology</topic><topic>topology errors</topic><topic>tree</topic><topic>Voltage measurement</topic><topic>Weighted least square (WLS)</topic><toplevel>online_resources</toplevel><creatorcontrib>Bei Gou</creatorcontrib><creatorcontrib>Yunzhi Cheng</creatorcontrib><creatorcontrib>Weibiao Wu</creatorcontrib><collection>IEEE Electronic Library (IEL) Conference Proceedings</collection><collection>IEEE Proceedings Order Plan (POP) 1998-present by volume</collection><collection>IEEE Xplore All Conference Proceedings</collection><collection>IEEE Xplore</collection><collection>IEEE Proceedings Order Plans (POP) 1998-present</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Bei Gou</au><au>Yunzhi Cheng</au><au>Weibiao Wu</au><format>book</format><genre>proceeding</genre><ristype>CONF</ristype><atitle>A new topology error detection approach for power system state estimation</atitle><btitle>2008 IEEE Power and Energy Society General Meeting - Conversion and Delivery of Electrical Energy in the 21st Century</btitle><stitle>PES</stitle><date>2008-07</date><risdate>2008</risdate><spage>1</spage><epage>7</epage><pages>1-7</pages><issn>1932-5517</issn><isbn>9781424419050</isbn><isbn>1424419050</isbn><eisbn>1424419069</eisbn><eisbn>9781424419067</eisbn><abstract>The convergence property of state estimation is a critical issue for its following security assessment functions in energy management system. This paper studies the convergence property of the commonly used weighted least square (WLS) approach for the variations of load levels and system sizes. A new robust bad data processing approach is presented for the purpose of convergence and robustness in this paper. A comparison of robustness between WLS and the proposed approach has been performed. Numerical tests on IEEE 188 bus system and a real system with 5145 bus have been conducted for illustration of the proposed approach.</abstract><pub>IEEE</pub><doi>10.1109/PES.2008.4596047</doi><tpages>7</tpages></addata></record> |
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| identifier | ISSN: 1932-5517 |
| ispartof | 2008 IEEE Power and Energy Society General Meeting - Conversion and Delivery of Electrical Energy in the 21st Century, 2008, p.1-7 |
| issn | 1932-5517 |
| language | eng |
| recordid | cdi_ieee_primary_4596047 |
| source | IEEE Electronic Library (IEL) Conference Proceedings |
| subjects | bad data blackouts Fluid flow measurement Load flow measurement redundancy Measurement uncertainty Power measurement reliability robustness State estimation Topology topology errors tree Voltage measurement Weighted least square (WLS) |
| title | A new topology error detection approach for power system state estimation |
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