A system protection scheme concept to counter interarea oscillations
This paper introduces a concept of a generator coherency-based System Protection Scheme (SPS), addressing interarea oscillation events. The scheme uses wide-area generator speed measurements combined with discrete Fourier transform (DFT) analysis to determine coherency. A test case simulated in the...
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| Veröffentlicht in: | IEEE transactions on power delivery 2004-10, Vol.19 (4), p.1602-1611 |
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| container_title | IEEE transactions on power delivery |
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| creator | Jonsson, M. Daalder, J. Begovic, M. |
| description | This paper introduces a concept of a generator coherency-based System Protection Scheme (SPS), addressing interarea oscillation events. The scheme uses wide-area generator speed measurements combined with discrete Fourier transform (DFT) analysis to determine coherency. A test case simulated in the NPCC 68-bus system is used to introduce the scheme's operating principle. The test case is also used to investigate the scheme suitability for different well-established digital signal processing (DSP) methods. Further aspects, such as evolving/sliding window functions, window size, and frequency resolution are analyzed. For the detection of interarea modes, parametric DSP methods turned out to be the most feasible. In general, evolving windows are faster than sliding windows. However, evolving windows require a trigger and were therefore rejected for the design proposed here. A lower frequency resolution may shorten the response time at the expense of the quality of the estimates of the instantaneous speed deviation and the generator coherency. The design proposed here is based on a high-frequency resolution at the cost of a lower response time. |
| doi_str_mv | 10.1109/TPWRD.2003.822743 |
| format | Article |
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The scheme uses wide-area generator speed measurements combined with discrete Fourier transform (DFT) analysis to determine coherency. A test case simulated in the NPCC 68-bus system is used to introduce the scheme's operating principle. The test case is also used to investigate the scheme suitability for different well-established digital signal processing (DSP) methods. Further aspects, such as evolving/sliding window functions, window size, and frequency resolution are analyzed. For the detection of interarea modes, parametric DSP methods turned out to be the most feasible. In general, evolving windows are faster than sliding windows. However, evolving windows require a trigger and were therefore rejected for the design proposed here. A lower frequency resolution may shorten the response time at the expense of the quality of the estimates of the instantaneous speed deviation and the generator coherency. The design proposed here is based on a high-frequency resolution at the cost of a lower response time.</description><identifier>ISSN: 0885-8977</identifier><identifier>EISSN: 1937-4208</identifier><identifier>DOI: 10.1109/TPWRD.2003.822743</identifier><identifier>CODEN: ITPDE5</identifier><language>eng</language><publisher>New York, NY: IEEE</publisher><subject>Applied sciences ; Coherence ; Connection and protection apparatus ; Costs ; Counting circuits ; Delay ; Design engineering ; Digital signal processing ; Discrete Fourier transforms ; Disturbances. Regulation. Protection ; Electrical engineering. Electrical power engineering ; Electrical power engineering ; Exact sciences and technology ; Fourier transforms ; Frequency estimation ; Generators ; Oscillations ; Power networks and lines ; Protection ; Response time ; Signal resolution ; Sliding ; System testing ; Velocity measurement</subject><ispartof>IEEE transactions on power delivery, 2004-10, Vol.19 (4), p.1602-1611</ispartof><rights>2004 INIST-CNRS</rights><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. 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The scheme uses wide-area generator speed measurements combined with discrete Fourier transform (DFT) analysis to determine coherency. A test case simulated in the NPCC 68-bus system is used to introduce the scheme's operating principle. The test case is also used to investigate the scheme suitability for different well-established digital signal processing (DSP) methods. Further aspects, such as evolving/sliding window functions, window size, and frequency resolution are analyzed. For the detection of interarea modes, parametric DSP methods turned out to be the most feasible. In general, evolving windows are faster than sliding windows. However, evolving windows require a trigger and were therefore rejected for the design proposed here. A lower frequency resolution may shorten the response time at the expense of the quality of the estimates of the instantaneous speed deviation and the generator coherency. The design proposed here is based on a high-frequency resolution at the cost of a lower response time.</description><subject>Applied sciences</subject><subject>Coherence</subject><subject>Connection and protection apparatus</subject><subject>Costs</subject><subject>Counting circuits</subject><subject>Delay</subject><subject>Design engineering</subject><subject>Digital signal processing</subject><subject>Discrete Fourier transforms</subject><subject>Disturbances. Regulation. Protection</subject><subject>Electrical engineering. Electrical power engineering</subject><subject>Electrical power engineering</subject><subject>Exact sciences and technology</subject><subject>Fourier transforms</subject><subject>Frequency estimation</subject><subject>Generators</subject><subject>Oscillations</subject><subject>Power networks and lines</subject><subject>Protection</subject><subject>Response time</subject><subject>Signal resolution</subject><subject>Sliding</subject><subject>System testing</subject><subject>Velocity measurement</subject><issn>0885-8977</issn><issn>1937-4208</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2004</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNp9kE1LAzEQhoMoWKs_QLwsgnramq_dJMfS-gUFRSoeQ5qdxS3b3ZpkD_33Zt1CwYOXmYE88zJ5ELokeEIIVvfLt8_3-YRizCaSUsHZERoRxUTKKZbHaISlzFKphDhFZ96vMcYcKzxC82nidz7AJtm6NoANVdsk3n7BBhLbNha2IQltHLsmgEuqvhoHJmm9rera9Lw_RyelqT1c7PsYfTw-LGfP6eL16WU2XaSWSRZSUtIsp5BxDAXlYAFEBlzAioAtCc8VkQWFFSuEJUBVVqysLLCFTDDLcKxjdDfkxlu_O_BBbypvIZ7RQNt5rTARJKekJ2__JanMoyPFI3j9B1y3nWviL7SUTFImlIwQGSDrWu8dlHrrqo1xO02w7vXrX_26168H_XHnZh9svDV16UxjK39YzImQmeizrwauAoDDM2OKUcJ-AGLsjio</recordid><startdate>20041001</startdate><enddate>20041001</enddate><creator>Jonsson, M.</creator><creator>Daalder, J.</creator><creator>Begovic, M.</creator><general>IEEE</general><general>Institute of Electrical and Electronics Engineers</general><general>The Institute of Electrical and Electronics Engineers, Inc. (IEEE)</general><scope>RIA</scope><scope>RIE</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>7TB</scope><scope>8FD</scope><scope>FR3</scope><scope>KR7</scope><scope>L7M</scope><scope>F28</scope></search><sort><creationdate>20041001</creationdate><title>A system protection scheme concept to counter interarea oscillations</title><author>Jonsson, M. ; Daalder, J. ; Begovic, M.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c383t-1f2562e540ed24ecee75e47eb1ecf146918d2eb3d7c1e295dbc8d0ce573c30573</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2004</creationdate><topic>Applied sciences</topic><topic>Coherence</topic><topic>Connection and protection apparatus</topic><topic>Costs</topic><topic>Counting circuits</topic><topic>Delay</topic><topic>Design engineering</topic><topic>Digital signal processing</topic><topic>Discrete Fourier transforms</topic><topic>Disturbances. Regulation. Protection</topic><topic>Electrical engineering. Electrical power engineering</topic><topic>Electrical power engineering</topic><topic>Exact sciences and technology</topic><topic>Fourier transforms</topic><topic>Frequency estimation</topic><topic>Generators</topic><topic>Oscillations</topic><topic>Power networks and lines</topic><topic>Protection</topic><topic>Response time</topic><topic>Signal resolution</topic><topic>Sliding</topic><topic>System testing</topic><topic>Velocity measurement</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Jonsson, M.</creatorcontrib><creatorcontrib>Daalder, J.</creatorcontrib><creatorcontrib>Begovic, M.</creatorcontrib><collection>IEEE All-Society Periodicals Package (ASPP) 1998-Present</collection><collection>IEEE Electronic Library (IEL)</collection><collection>Pascal-Francis</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>Civil Engineering Abstracts</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><jtitle>IEEE transactions on power delivery</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Jonsson, M.</au><au>Daalder, J.</au><au>Begovic, M.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A system protection scheme concept to counter interarea oscillations</atitle><jtitle>IEEE transactions on power delivery</jtitle><stitle>TPWRD</stitle><date>2004-10-01</date><risdate>2004</risdate><volume>19</volume><issue>4</issue><spage>1602</spage><epage>1611</epage><pages>1602-1611</pages><issn>0885-8977</issn><eissn>1937-4208</eissn><coden>ITPDE5</coden><abstract>This paper introduces a concept of a generator coherency-based System Protection Scheme (SPS), addressing interarea oscillation events. The scheme uses wide-area generator speed measurements combined with discrete Fourier transform (DFT) analysis to determine coherency. A test case simulated in the NPCC 68-bus system is used to introduce the scheme's operating principle. The test case is also used to investigate the scheme suitability for different well-established digital signal processing (DSP) methods. Further aspects, such as evolving/sliding window functions, window size, and frequency resolution are analyzed. For the detection of interarea modes, parametric DSP methods turned out to be the most feasible. In general, evolving windows are faster than sliding windows. However, evolving windows require a trigger and were therefore rejected for the design proposed here. A lower frequency resolution may shorten the response time at the expense of the quality of the estimates of the instantaneous speed deviation and the generator coherency. The design proposed here is based on a high-frequency resolution at the cost of a lower response time.</abstract><cop>New York, NY</cop><pub>IEEE</pub><doi>10.1109/TPWRD.2003.822743</doi><tpages>10</tpages></addata></record> |
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| subjects | Applied sciences Coherence Connection and protection apparatus Costs Counting circuits Delay Design engineering Digital signal processing Discrete Fourier transforms Disturbances. Regulation. Protection Electrical engineering. Electrical power engineering Electrical power engineering Exact sciences and technology Fourier transforms Frequency estimation Generators Oscillations Power networks and lines Protection Response time Signal resolution Sliding System testing Velocity measurement |
| title | A system protection scheme concept to counter interarea oscillations |
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