A New Power System Digital Harmonic Analyzer
In this paper, new digital instruments measuring power-quality indicators and harmonic analyzers are developed. A new technique for simultaneous local system frequency and amplitudes of the fundamental and higher harmonics estimation from either a voltage or current signal is presented. The structur...
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| Veröffentlicht in: | IEEE transactions on power delivery 2007-04, Vol.22 (2), p.772-780 |
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| creator | Tomic, J.J. Kusljevic, M.D. Vujicic, V.V. |
| description | In this paper, new digital instruments measuring power-quality indicators and harmonic analyzers are developed. A new technique for simultaneous local system frequency and amplitudes of the fundamental and higher harmonics estimation from either a voltage or current signal is presented. The structure consists of three decoupled modules: the first one for an adaptive filter of input signal, the second one for frequency estimation, and the third one for harmonic amplitude estimation. A very suitable algorithm for frequency and harmonic amplitude estimation is obtained. This technique provides accurate frequency estimates with error in the range of 0.002 Hz and amplitude estimates with error in the range of 0.03% for SNR = 60 dB in about 25 ms. The theoretical basis and practical implementation of the technique are described. To demonstrate the performance of the developed algorithm, computer simulated data records are processed. Data of the distribution power system voltage signals are also collected in the laboratory environment and are processed in a newly developed digital PC-based harmonic analyzer. It has been found that the proposed method really meets the need of offline applications. Even more, by using the parallel computation algorithms, this method should meet the need of online applications and should be more practical |
| doi_str_mv | 10.1109/TPWRD.2007.893372 |
| format | Article |
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A new technique for simultaneous local system frequency and amplitudes of the fundamental and higher harmonics estimation from either a voltage or current signal is presented. The structure consists of three decoupled modules: the first one for an adaptive filter of input signal, the second one for frequency estimation, and the third one for harmonic amplitude estimation. A very suitable algorithm for frequency and harmonic amplitude estimation is obtained. This technique provides accurate frequency estimates with error in the range of 0.002 Hz and amplitude estimates with error in the range of 0.03% for SNR = 60 dB in about 25 ms. The theoretical basis and practical implementation of the technique are described. To demonstrate the performance of the developed algorithm, computer simulated data records are processed. Data of the distribution power system voltage signals are also collected in the laboratory environment and are processed in a newly developed digital PC-based harmonic analyzer. It has been found that the proposed method really meets the need of offline applications. Even more, by using the parallel computation algorithms, this method should meet the need of online applications and should be more practical</description><identifier>ISSN: 0885-8977</identifier><identifier>EISSN: 1937-4208</identifier><identifier>DOI: 10.1109/TPWRD.2007.893372</identifier><identifier>CODEN: ITPDE5</identifier><language>eng</language><publisher>New York, NY: IEEE</publisher><subject>Adaptive filtering ; Adaptive filters ; Algorithms ; Amplitude estimation ; Amplitudes ; Applied sciences ; Computer errors ; computer relaying ; Computer simulation ; Digital ; digital filters ; Disturbances. Regulation. Protection ; Electric potential ; Electrical engineering. Electrical power engineering ; Electrical power engineering ; Estimates ; Exact sciences and technology ; finite-impulse-response (FIR) filter ; Frequency estimation ; frequency measurement ; Harmonic analysis ; harmonic analyzer ; Harmonics ; Miscellaneous ; Operation. Load control. Reliability ; Power electronics, power supplies ; Power harmonic filters ; Power networks and lines ; power quality (PQ) ; Power system analysis computing ; Power system harmonics ; Power system measurements ; Power system simulation ; recursive algorithm ; Voltage</subject><ispartof>IEEE transactions on power delivery, 2007-04, Vol.22 (2), p.772-780</ispartof><rights>2007 INIST-CNRS</rights><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) 2007</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c417t-39da52860851c43383297ce06ab7f0301147bc53829bfea19c6b58fd7bd782c53</citedby><cites>FETCH-LOGICAL-c417t-39da52860851c43383297ce06ab7f0301147bc53829bfea19c6b58fd7bd782c53</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/4141174$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,776,780,792,27901,27902,54733</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/4141174$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=18653844$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Tomic, J.J.</creatorcontrib><creatorcontrib>Kusljevic, M.D.</creatorcontrib><creatorcontrib>Vujicic, V.V.</creatorcontrib><title>A New Power System Digital Harmonic Analyzer</title><title>IEEE transactions on power delivery</title><addtitle>TPWRD</addtitle><description>In this paper, new digital instruments measuring power-quality indicators and harmonic analyzers are developed. A new technique for simultaneous local system frequency and amplitudes of the fundamental and higher harmonics estimation from either a voltage or current signal is presented. The structure consists of three decoupled modules: the first one for an adaptive filter of input signal, the second one for frequency estimation, and the third one for harmonic amplitude estimation. A very suitable algorithm for frequency and harmonic amplitude estimation is obtained. This technique provides accurate frequency estimates with error in the range of 0.002 Hz and amplitude estimates with error in the range of 0.03% for SNR = 60 dB in about 25 ms. The theoretical basis and practical implementation of the technique are described. To demonstrate the performance of the developed algorithm, computer simulated data records are processed. Data of the distribution power system voltage signals are also collected in the laboratory environment and are processed in a newly developed digital PC-based harmonic analyzer. It has been found that the proposed method really meets the need of offline applications. Even more, by using the parallel computation algorithms, this method should meet the need of online applications and should be more practical</description><subject>Adaptive filtering</subject><subject>Adaptive filters</subject><subject>Algorithms</subject><subject>Amplitude estimation</subject><subject>Amplitudes</subject><subject>Applied sciences</subject><subject>Computer errors</subject><subject>computer relaying</subject><subject>Computer simulation</subject><subject>Digital</subject><subject>digital filters</subject><subject>Disturbances. Regulation. Protection</subject><subject>Electric potential</subject><subject>Electrical engineering. Electrical power engineering</subject><subject>Electrical power engineering</subject><subject>Estimates</subject><subject>Exact sciences and technology</subject><subject>finite-impulse-response (FIR) filter</subject><subject>Frequency estimation</subject><subject>frequency measurement</subject><subject>Harmonic analysis</subject><subject>harmonic analyzer</subject><subject>Harmonics</subject><subject>Miscellaneous</subject><subject>Operation. Load control. Reliability</subject><subject>Power electronics, power supplies</subject><subject>Power harmonic filters</subject><subject>Power networks and lines</subject><subject>power quality (PQ)</subject><subject>Power system analysis computing</subject><subject>Power system harmonics</subject><subject>Power system measurements</subject><subject>Power system simulation</subject><subject>recursive algorithm</subject><subject>Voltage</subject><issn>0885-8977</issn><issn>1937-4208</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2007</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNqFkcFKw0AQhhdRsFYfQLwEQb2YOpvd7M4eS6tWKFq04jFsthtJSZq621Lq05s2RcGDnuYw3_8xzE_IKYUOpaBuxqO3534nApAdVIzJaI-0qGIy5BHgPmkBYhyikvKQHHk_BQAOClrkuhs82lUwqlbWBS9rv7Bl0M_f84UugoF2ZTXLTdCd6WL9ad0xOch04e3JbrbJ693tuDcIh0_3D73uMDScykXI1ETHEQrAmBrOGLJISWNB6FRmwIBSLlMTM4xUmllNlRFpjNlEphOJUb1ok6vGO3fVx9L6RVLm3tii0DNbLX2igAkWCcH_JRFBII0Ba_LyT5JxzhDVRnn-C5xWS1d_oLYJLjkVWxttIOMq753NkrnLS-3WCYVkU0iyLSTZFJI0hdSZi51Ye6OLzOmZyf1PEEX9Er454Kzhcmvt95pTTqnk7AvXMJA-</recordid><startdate>20070401</startdate><enddate>20070401</enddate><creator>Tomic, J.J.</creator><creator>Kusljevic, M.D.</creator><creator>Vujicic, V.V.</creator><general>IEEE</general><general>Institute of Electrical and Electronics Engineers</general><general>The Institute of Electrical and Electronics Engineers, Inc. (IEEE)</general><scope>97E</scope><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>20070401</creationdate><title>A New Power System Digital Harmonic Analyzer</title><author>Tomic, J.J. ; Kusljevic, M.D. ; Vujicic, V.V.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c417t-39da52860851c43383297ce06ab7f0301147bc53829bfea19c6b58fd7bd782c53</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2007</creationdate><topic>Adaptive filtering</topic><topic>Adaptive filters</topic><topic>Algorithms</topic><topic>Amplitude estimation</topic><topic>Amplitudes</topic><topic>Applied sciences</topic><topic>Computer errors</topic><topic>computer relaying</topic><topic>Computer simulation</topic><topic>Digital</topic><topic>digital filters</topic><topic>Disturbances. Regulation. Protection</topic><topic>Electric potential</topic><topic>Electrical engineering. Electrical power engineering</topic><topic>Electrical power engineering</topic><topic>Estimates</topic><topic>Exact sciences and technology</topic><topic>finite-impulse-response (FIR) filter</topic><topic>Frequency estimation</topic><topic>frequency measurement</topic><topic>Harmonic analysis</topic><topic>harmonic analyzer</topic><topic>Harmonics</topic><topic>Miscellaneous</topic><topic>Operation. Load control. Reliability</topic><topic>Power electronics, power supplies</topic><topic>Power harmonic filters</topic><topic>Power networks and lines</topic><topic>power quality (PQ)</topic><topic>Power system analysis computing</topic><topic>Power system harmonics</topic><topic>Power system measurements</topic><topic>Power system simulation</topic><topic>recursive algorithm</topic><topic>Voltage</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Tomic, J.J.</creatorcontrib><creatorcontrib>Kusljevic, M.D.</creatorcontrib><creatorcontrib>Vujicic, V.V.</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>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>Tomic, J.J.</au><au>Kusljevic, M.D.</au><au>Vujicic, V.V.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A New Power System Digital Harmonic Analyzer</atitle><jtitle>IEEE transactions on power delivery</jtitle><stitle>TPWRD</stitle><date>2007-04-01</date><risdate>2007</risdate><volume>22</volume><issue>2</issue><spage>772</spage><epage>780</epage><pages>772-780</pages><issn>0885-8977</issn><eissn>1937-4208</eissn><coden>ITPDE5</coden><abstract>In this paper, new digital instruments measuring power-quality indicators and harmonic analyzers are developed. A new technique for simultaneous local system frequency and amplitudes of the fundamental and higher harmonics estimation from either a voltage or current signal is presented. The structure consists of three decoupled modules: the first one for an adaptive filter of input signal, the second one for frequency estimation, and the third one for harmonic amplitude estimation. A very suitable algorithm for frequency and harmonic amplitude estimation is obtained. This technique provides accurate frequency estimates with error in the range of 0.002 Hz and amplitude estimates with error in the range of 0.03% for SNR = 60 dB in about 25 ms. The theoretical basis and practical implementation of the technique are described. To demonstrate the performance of the developed algorithm, computer simulated data records are processed. Data of the distribution power system voltage signals are also collected in the laboratory environment and are processed in a newly developed digital PC-based harmonic analyzer. It has been found that the proposed method really meets the need of offline applications. Even more, by using the parallel computation algorithms, this method should meet the need of online applications and should be more practical</abstract><cop>New York, NY</cop><pub>IEEE</pub><doi>10.1109/TPWRD.2007.893372</doi><tpages>9</tpages></addata></record> |
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| source | IEEE Electronic Library (IEL) |
| subjects | Adaptive filtering Adaptive filters Algorithms Amplitude estimation Amplitudes Applied sciences Computer errors computer relaying Computer simulation Digital digital filters Disturbances. Regulation. Protection Electric potential Electrical engineering. Electrical power engineering Electrical power engineering Estimates Exact sciences and technology finite-impulse-response (FIR) filter Frequency estimation frequency measurement Harmonic analysis harmonic analyzer Harmonics Miscellaneous Operation. Load control. Reliability Power electronics, power supplies Power harmonic filters Power networks and lines power quality (PQ) Power system analysis computing Power system harmonics Power system measurements Power system simulation recursive algorithm Voltage |
| title | A New Power System Digital Harmonic Analyzer |
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