{"id":"https://openalex.org/W2953771933","doi":"https://doi.org/10.1109/tim.2019.2926688","title":"Separating Multi-Source Partial Discharge Signals Using Linear Prediction Analysis and Isolation Forest Algorithm","display_name":"Separating Multi-Source Partial Discharge Signals Using Linear Prediction Analysis and Isolation Forest Algorithm","publication_year":2019,"publication_date":"2019-07-07","ids":{"openalex":"https://openalex.org/W2953771933","doi":"https://doi.org/10.1109/tim.2019.2926688","mag":"2953771933"},"language":"en","primary_location":{"id":"doi:10.1109/tim.2019.2926688","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tim.2019.2926688","pdf_url":null,"source":{"id":"https://openalex.org/S10892749","display_name":"IEEE Transactions on Instrumentation and Measurement","issn_l":"0018-9456","issn":["0018-9456","1557-9662"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Instrumentation and Measurement","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5100605032","display_name":"Yan\u2010Bo Wang","orcid":"https://orcid.org/0000-0002-5325-1490"},"institutions":[{"id":"https://openalex.org/I87445476","display_name":"Xi'an Jiaotong University","ror":"https://ror.org/017zhmm22","country_code":"CN","type":"education","lineage":["https://openalex.org/I87445476"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Yan-Bo Wang","raw_affiliation_strings":["State Key Laboratory of Electrical Insulation and Power Equipment, School of Electrical Engineering, Xi\u2019an Jiaotong University, Xi\u2019an, China","State Key Laboratory of Electrical Insulation and Power Equipment, School of Electrical Engineering, Xi'an Jiaotong University, Xi'an, China"],"raw_orcid":"https://orcid.org/0000-0002-5325-1490","affiliations":[{"raw_affiliation_string":"State Key Laboratory of Electrical Insulation and Power Equipment, School of Electrical Engineering, Xi\u2019an Jiaotong University, Xi\u2019an, China","institution_ids":["https://openalex.org/I87445476"]},{"raw_affiliation_string":"State Key Laboratory of Electrical Insulation and Power Equipment, School of Electrical Engineering, Xi'an Jiaotong University, Xi'an, China","institution_ids":["https://openalex.org/I87445476"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5066313546","display_name":"Ding\u2010Ge Chang","orcid":null},"institutions":[{"id":"https://openalex.org/I87445476","display_name":"Xi'an Jiaotong University","ror":"https://ror.org/017zhmm22","country_code":"CN","type":"education","lineage":["https://openalex.org/I87445476"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ding-Ge Chang","raw_affiliation_strings":["State Key Laboratory of Electrical Insulation and Power Equipment, School of Electrical Engineering, Xi\u2019an Jiaotong University, Xi\u2019an, China","State Key Laboratory of Electrical Insulation and Power Equipment, School of Electrical Engineering, Xi'an Jiaotong University, Xi'an, China"],"raw_orcid":"https://orcid.org/0000-0001-7624-6822","affiliations":[{"raw_affiliation_string":"State Key Laboratory of Electrical Insulation and Power Equipment, School of Electrical Engineering, Xi\u2019an Jiaotong University, Xi\u2019an, China","institution_ids":["https://openalex.org/I87445476"]},{"raw_affiliation_string":"State Key Laboratory of Electrical Insulation and Power Equipment, School of Electrical Engineering, Xi'an Jiaotong University, Xi'an, China","institution_ids":["https://openalex.org/I87445476"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5037491647","display_name":"Shaorui Qin","orcid":"https://orcid.org/0000-0003-3296-9046"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Shao-Rui Qin","raw_affiliation_strings":["State Grid Anhui Electric Power Research Institute, Hefei, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"State Grid Anhui Electric Power Research Institute, Hefei, China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5068015436","display_name":"Yu-Hang Fan","orcid":null},"institutions":[{"id":"https://openalex.org/I87445476","display_name":"Xi'an Jiaotong University","ror":"https://ror.org/017zhmm22","country_code":"CN","type":"education","lineage":["https://openalex.org/I87445476"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yu-Hang Fan","raw_affiliation_strings":["State Key Laboratory of Electrical Insulation and Power Equipment, School of Electrical Engineering, Xi\u2019an Jiaotong University, Xi\u2019an, China","State Key Laboratory of Electrical Insulation and Power Equipment, School of Electrical Engineering, Xi'an Jiaotong University, Xi'an, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Electrical Insulation and Power Equipment, School of Electrical Engineering, Xi\u2019an Jiaotong University, Xi\u2019an, China","institution_ids":["https://openalex.org/I87445476"]},{"raw_affiliation_string":"State Key Laboratory of Electrical Insulation and Power Equipment, School of Electrical Engineering, Xi'an Jiaotong University, Xi'an, China","institution_ids":["https://openalex.org/I87445476"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5009481010","display_name":"Haibao Mu","orcid":"https://orcid.org/0000-0002-8790-6336"},"institutions":[{"id":"https://openalex.org/I87445476","display_name":"Xi'an Jiaotong University","ror":"https://ror.org/017zhmm22","country_code":"CN","type":"education","lineage":["https://openalex.org/I87445476"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hai-Bao Mu","raw_affiliation_strings":["State Key Laboratory of Electrical Insulation and Power Equipment, School of Electrical Engineering, Xi\u2019an Jiaotong University, Xi\u2019an, China","State Key Laboratory of Electrical Insulation and Power Equipment, School of Electrical Engineering, Xi'an Jiaotong University, Xi'an, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Electrical Insulation and Power Equipment, School of Electrical Engineering, Xi\u2019an Jiaotong University, Xi\u2019an, China","institution_ids":["https://openalex.org/I87445476"]},{"raw_affiliation_string":"State Key Laboratory of Electrical Insulation and Power Equipment, School of Electrical Engineering, Xi'an Jiaotong University, Xi'an, China","institution_ids":["https://openalex.org/I87445476"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5088543620","display_name":"Guanjun Zhang","orcid":"https://orcid.org/0000-0003-1859-0443"},"institutions":[{"id":"https://openalex.org/I87445476","display_name":"Xi'an Jiaotong University","ror":"https://ror.org/017zhmm22","country_code":"CN","type":"education","lineage":["https://openalex.org/I87445476"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Guan-Jun Zhang","raw_affiliation_strings":["State Key Laboratory of Electrical Insulation and Power Equipment, School of Electrical Engineering, Xi\u2019an Jiaotong University, Xi\u2019an, China","State Key Laboratory of Electrical Insulation and Power Equipment, School of Electrical Engineering, Xi'an Jiaotong University, Xi'an, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Electrical Insulation and Power Equipment, School of Electrical Engineering, Xi\u2019an Jiaotong University, Xi\u2019an, China","institution_ids":["https://openalex.org/I87445476"]},{"raw_affiliation_string":"State Key Laboratory of Electrical Insulation and Power Equipment, School of Electrical Engineering, Xi'an Jiaotong University, Xi'an, China","institution_ids":["https://openalex.org/I87445476"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5100605032"],"corresponding_institution_ids":["https://openalex.org/I87445476"],"apc_list":null,"apc_paid":null,"fwci":2.8455,"has_fulltext":false,"cited_by_count":68,"citation_normalized_percentile":{"value":0.91520128,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":100},"biblio":{"volume":"69","issue":"6","first_page":"2734","last_page":"2742"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10511","display_name":"High voltage insulation and dielectric phenomena","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/2505","display_name":"Materials Chemistry"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10511","display_name":"High voltage insulation and dielectric phenomena","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/2505","display_name":"Materials Chemistry"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11343","display_name":"Power Transformer Diagnostics and Insulation","score":0.9976999759674072,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11220","display_name":"Water Systems and Optimization","score":0.9819999933242798,"subfield":{"id":"https://openalex.org/subfields/2205","display_name":"Civil and Structural Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/partial-discharge","display_name":"Partial discharge","score":0.8367905616760254},{"id":"https://openalex.org/keywords/switchgear","display_name":"Switchgear","score":0.7362980246543884},{"id":"https://openalex.org/keywords/waveform","display_name":"Waveform","score":0.7001417279243469},{"id":"https://openalex.org/keywords/principal-component-analysis","display_name":"Principal component analysis","score":0.6429653167724609},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.6185885071754456},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5087907910346985},{"id":"https://openalex.org/keywords/cluster-analysis","display_name":"Cluster analysis","score":0.4534747898578644},{"id":"https://openalex.org/keywords/independent-component-analysis","display_name":"Independent component analysis","score":0.4480106830596924},{"id":"https://openalex.org/keywords/cepstrum","display_name":"Cepstrum","score":0.447814017534256},{"id":"https://openalex.org/keywords/source-separation","display_name":"Source separation","score":0.4184715449810028},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.34965527057647705},{"id":"https://openalex.org/keywords/voltage","display_name":"Voltage","score":0.2938079833984375},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.24883762001991272},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.24337875843048096},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.11602261662483215}],"concepts":[{"id":"https://openalex.org/C130143024","wikidata":"https://www.wikidata.org/wiki/Q1929972","display_name":"Partial discharge","level":3,"score":0.8367905616760254},{"id":"https://openalex.org/C93893174","wikidata":"https://www.wikidata.org/wiki/Q1273786","display_name":"Switchgear","level":2,"score":0.7362980246543884},{"id":"https://openalex.org/C197424946","wikidata":"https://www.wikidata.org/wiki/Q1165717","display_name":"Waveform","level":3,"score":0.7001417279243469},{"id":"https://openalex.org/C27438332","wikidata":"https://www.wikidata.org/wiki/Q2873","display_name":"Principal component analysis","level":2,"score":0.6429653167724609},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.6185885071754456},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5087907910346985},{"id":"https://openalex.org/C73555534","wikidata":"https://www.wikidata.org/wiki/Q622825","display_name":"Cluster analysis","level":2,"score":0.4534747898578644},{"id":"https://openalex.org/C51432778","wikidata":"https://www.wikidata.org/wiki/Q1259145","display_name":"Independent component analysis","level":2,"score":0.4480106830596924},{"id":"https://openalex.org/C88485024","wikidata":"https://www.wikidata.org/wiki/Q1054571","display_name":"Cepstrum","level":2,"score":0.447814017534256},{"id":"https://openalex.org/C2776864781","wikidata":"https://www.wikidata.org/wiki/Q52617913","display_name":"Source separation","level":2,"score":0.4184715449810028},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.34965527057647705},{"id":"https://openalex.org/C165801399","wikidata":"https://www.wikidata.org/wiki/Q25428","display_name":"Voltage","level":2,"score":0.2938079833984375},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.24883762001991272},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.24337875843048096},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.11602261662483215}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tim.2019.2926688","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tim.2019.2926688","pdf_url":null,"source":{"id":"https://openalex.org/S10892749","display_name":"IEEE Transactions on Instrumentation and Measurement","issn_l":"0018-9456","issn":["0018-9456","1557-9662"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Instrumentation and Measurement","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.699999988079071,"display_name":"Life in Land","id":"https://metadata.un.org/sdg/15"}],"awards":[{"id":"https://openalex.org/G2200352610","display_name":null,"funder_award_id":"2015M580848","funder_id":"https://openalex.org/F4320321543","funder_display_name":"China Postdoctoral Science Foundation"},{"id":"https://openalex.org/G3902674184","display_name":null,"funder_award_id":"5226SX15001R","funder_id":"https://openalex.org/F4320326707","funder_display_name":"State Grid Corporation of China"},{"id":"https://openalex.org/G7667096672","display_name":null,"funder_award_id":"51607140","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G8814218779","display_name":null,"funder_award_id":"51521065","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320321543","display_name":"China Postdoctoral Science Foundation","ror":"https://ror.org/0426zh255"},{"id":"https://openalex.org/F4320326707","display_name":"State Grid Corporation of China","ror":"https://ror.org/05twwhs70"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":31,"referenced_works":["https://openalex.org/W1527701214","https://openalex.org/W1931803241","https://openalex.org/W1995443851","https://openalex.org/W2031977236","https://openalex.org/W2062887610","https://openalex.org/W2063557315","https://openalex.org/W2097798974","https://openalex.org/W2098249894","https://openalex.org/W2111610409","https://openalex.org/W2113636686","https://openalex.org/W2117248628","https://openalex.org/W2139870867","https://openalex.org/W2139871393","https://openalex.org/W2154425812","https://openalex.org/W2155176760","https://openalex.org/W2163112722","https://openalex.org/W2280498816","https://openalex.org/W2293065251","https://openalex.org/W2296719434","https://openalex.org/W2360984193","https://openalex.org/W2507440827","https://openalex.org/W2582142166","https://openalex.org/W2592419297","https://openalex.org/W2593067946","https://openalex.org/W2747429475","https://openalex.org/W2768395664","https://openalex.org/W2787787377","https://openalex.org/W2790199936","https://openalex.org/W2790259478","https://openalex.org/W2800386058","https://openalex.org/W2890361411"],"related_works":["https://openalex.org/W2355997923","https://openalex.org/W3030614896","https://openalex.org/W2354294321","https://openalex.org/W2352704266","https://openalex.org/W2142308737","https://openalex.org/W2146484302","https://openalex.org/W2376189937","https://openalex.org/W2223428168","https://openalex.org/W2381780991","https://openalex.org/W4319978192"],"abstract_inverted_index":{"Partial":[0],"discharge":[1],"(PD)":[2],"detection":[3],"is":[4,60,160],"an":[5],"effective":[6],"way":[7],"to":[8,105,110,117,180],"find":[9],"defects":[10],"and":[11,21,54,128,189,213],"diagnose":[12],"the":[13,30,36,55,64,76,107,124,135,139,150,153,164,169,173,207],"insulation":[14],"condition":[15],"of":[16,38,72,126,155,158,183],"power":[17],"equipment.":[18],"During":[19],"manufacturing":[20],"operating,":[22],"there":[23],"may":[24],"exist":[25],"multi-source":[26,119],"PD":[27,94,120,145,184,192,216],"signals":[28,121,185],"in":[29,75,152],"equipment,":[31],"which":[32,90,122],"could":[33],"seriously":[34],"affect":[35],"accuracy":[37],"subsequent":[39],"defect":[40],"analyses.":[41],"In":[42,96,162],"this":[43,97],"paper,":[44,98],"a":[45,69,78,190,196],"universal":[46],"separation":[47,174,203],"methodology":[48],"using":[49],"linear":[50,70,80],"prediction":[51,81],"analysis":[52,103],"(LPA)":[53],"isolation":[56],"forest":[57],"algorithm":[58,166,177,209],"(IFA)":[59],"introduced.":[61],"By":[62],"approximating":[63],"present":[65],"waveform":[66],"point":[67],"by":[68],"combination":[71],"several":[73],"points":[74,171],"past,":[77],"12-D":[79],"cepstrum":[82],"coefficient":[83],"(LPCC)":[84],"feature":[85,108],"space":[86,109],"can":[87,91,142,210],"be":[88],"established":[89],"accurately":[92],"characterize":[93],"waveforms.":[95],"we":[99],"applied":[100,179],"principal":[101],"component":[102],"(PCA)":[104],"reduce":[106],"2-D":[111],"space.":[112],"The":[113,176,202],"IFA":[114],"was":[115,178],"adopted":[116],"separate":[118,143,212],"quantified":[123],"degree":[125],"clustering":[127],"added":[129],"one":[130],"more":[131],"parameter":[132],"based":[133],"on":[134,186,195],"original":[136],"features.":[137],"Thus,":[138],"proposed":[140,165,208],"method":[141],"multiple":[144],"sources":[146],"effectively":[147,211],"even":[148],"if":[149],"difference":[151],"features":[154],"different":[156,181],"types":[157,182],"PDs":[159],"small.":[161],"addition,":[163],"easily":[167],"removed":[168],"noise":[170],"during":[172],"process.":[175],"35-kV":[187],"transformers":[188],"three-source":[191],"data":[193],"set":[194],"252-kV":[197],"gas-insulated":[198],"switchgear":[199],"(GIS)":[200],"platform.":[201],"results":[204],"confirm":[205],"that":[206],"distinguish":[214],"various":[215],"signals.":[217]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":10},{"year":2024,"cited_by_count":16},{"year":2023,"cited_by_count":9},{"year":2022,"cited_by_count":17},{"year":2021,"cited_by_count":6},{"year":2020,"cited_by_count":7},{"year":2019,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}