{"id":"https://openalex.org/W4360584194","doi":"https://doi.org/10.1109/isgt51731.2023.10066365","title":"Determination of the Optimal Air Gap of an HFCT","display_name":"Determination of the Optimal Air Gap of an HFCT","publication_year":2023,"publication_date":"2023-01-16","ids":{"openalex":"https://openalex.org/W4360584194","doi":"https://doi.org/10.1109/isgt51731.2023.10066365"},"language":"en","primary_location":{"id":"doi:10.1109/isgt51731.2023.10066365","is_oa":false,"landing_page_url":"https://doi.org/10.1109/isgt51731.2023.10066365","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2023 IEEE Power &amp; Energy Society Innovative Smart Grid Technologies Conference (ISGT)","raw_type":"proceedings-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/A5067069708","display_name":"Martin Fritsch","orcid":"https://orcid.org/0000-0002-3276-1838"},"institutions":[{"id":"https://openalex.org/I95793202","display_name":"Otto-von-Guericke-Universit\u00e4t Magdeburg","ror":"https://ror.org/00ggpsq73","country_code":"DE","type":"education","lineage":["https://openalex.org/I95793202"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Martin Fritsch","raw_affiliation_strings":["Institute of Electric Power Systems, Otto von Guericke University,Magdeburg,Germany","Institute of Electric Power Systems, Otto von Guericke University, Magdeburg, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Electric Power Systems, Otto von Guericke University,Magdeburg,Germany","institution_ids":["https://openalex.org/I95793202"]},{"raw_affiliation_string":"Institute of Electric Power Systems, Otto von Guericke University, Magdeburg, Germany","institution_ids":["https://openalex.org/I95793202"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5042758411","display_name":"Martin Wolter","orcid":"https://orcid.org/0000-0003-0281-0501"},"institutions":[{"id":"https://openalex.org/I95793202","display_name":"Otto-von-Guericke-Universit\u00e4t Magdeburg","ror":"https://ror.org/00ggpsq73","country_code":"DE","type":"education","lineage":["https://openalex.org/I95793202"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Martin Wolter","raw_affiliation_strings":["Institute of Electric Power Systems, Otto von Guericke University,Magdeburg,Germany","Institute of Electric Power Systems, Otto von Guericke University, Magdeburg, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Electric Power Systems, Otto von Guericke University,Magdeburg,Germany","institution_ids":["https://openalex.org/I95793202"]},{"raw_affiliation_string":"Institute of Electric Power Systems, Otto von Guericke University, Magdeburg, Germany","institution_ids":["https://openalex.org/I95793202"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.5353,"has_fulltext":false,"cited_by_count":6,"citation_normalized_percentile":{"value":0.56336809,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":99},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"5"},"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":0.9998999834060669,"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":0.9998999834060669,"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/T12692","display_name":"Magnetic Field Sensors Techniques","score":0.9973999857902527,"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/T12495","display_name":"Electrostatic Discharge in Electronics","score":0.9945999979972839,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/current-transformer","display_name":"Current transformer","score":0.7650418281555176},{"id":"https://openalex.org/keywords/saturation","display_name":"Saturation (graph theory)","score":0.5461670756340027},{"id":"https://openalex.org/keywords/materials-science","display_name":"Materials science","score":0.5206419825553894},{"id":"https://openalex.org/keywords/sensitivity","display_name":"Sensitivity (control systems)","score":0.4381277561187744},{"id":"https://openalex.org/keywords/measurement-uncertainty","display_name":"Measurement uncertainty","score":0.4351925253868103},{"id":"https://openalex.org/keywords/transformer","display_name":"Transformer","score":0.43151775002479553},{"id":"https://openalex.org/keywords/air-gap","display_name":"Air gap (plumbing)","score":0.4244408905506134},{"id":"https://openalex.org/keywords/acoustics","display_name":"Acoustics","score":0.39780521392822266},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.36704692244529724},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.27698129415512085},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.2205810844898224},{"id":"https://openalex.org/keywords/voltage","display_name":"Voltage","score":0.18845421075820923},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.18806973099708557},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.17375510931015015},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.10334822535514832}],"concepts":[{"id":"https://openalex.org/C133770746","wikidata":"https://www.wikidata.org/wiki/Q856535","display_name":"Current transformer","level":4,"score":0.7650418281555176},{"id":"https://openalex.org/C9930424","wikidata":"https://www.wikidata.org/wiki/Q7426587","display_name":"Saturation (graph theory)","level":2,"score":0.5461670756340027},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.5206419825553894},{"id":"https://openalex.org/C21200559","wikidata":"https://www.wikidata.org/wiki/Q7451068","display_name":"Sensitivity (control systems)","level":2,"score":0.4381277561187744},{"id":"https://openalex.org/C137209882","wikidata":"https://www.wikidata.org/wiki/Q1403517","display_name":"Measurement uncertainty","level":2,"score":0.4351925253868103},{"id":"https://openalex.org/C66322947","wikidata":"https://www.wikidata.org/wiki/Q11658","display_name":"Transformer","level":3,"score":0.43151775002479553},{"id":"https://openalex.org/C50587689","wikidata":"https://www.wikidata.org/wiki/Q4698328","display_name":"Air gap (plumbing)","level":2,"score":0.4244408905506134},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.39780521392822266},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.36704692244529724},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.27698129415512085},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.2205810844898224},{"id":"https://openalex.org/C165801399","wikidata":"https://www.wikidata.org/wiki/Q25428","display_name":"Voltage","level":2,"score":0.18845421075820923},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.18806973099708557},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.17375510931015015},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.10334822535514832},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/isgt51731.2023.10066365","is_oa":false,"landing_page_url":"https://doi.org/10.1109/isgt51731.2023.10066365","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2023 IEEE Power &amp; Energy Society Innovative Smart Grid Technologies Conference (ISGT)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.8399999737739563,"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":9,"referenced_works":["https://openalex.org/W1573060308","https://openalex.org/W2104123615","https://openalex.org/W2150773759","https://openalex.org/W2483046186","https://openalex.org/W2512262549","https://openalex.org/W2591878561","https://openalex.org/W3127796256","https://openalex.org/W4206453291","https://openalex.org/W4285149696"],"related_works":["https://openalex.org/W3152958642","https://openalex.org/W2068014096","https://openalex.org/W3130844878","https://openalex.org/W2037791951","https://openalex.org/W4205181462","https://openalex.org/W1678708368","https://openalex.org/W1721151596","https://openalex.org/W1721787598","https://openalex.org/W2023502046","https://openalex.org/W3108554747"],"abstract_inverted_index":{"When":[0],"using":[1],"high-frequency":[2],"current":[3,42],"transformers":[4],"(HFCT)":[5],"to":[6,68,72,81,132,157,191],"measure":[7],"partial":[8],"discharges":[9],"(PD)":[10],"on":[11,100,179,186],"power":[12,45],"cables,":[13],"saturation":[14,70,116],"of":[15,43,106,138],"the":[16,30,35,44,49,53,77,88,101,109,115,134,151,159,168,172,180,201],"sensor's":[17],"ferromagnetic":[18],"core":[19,102],"is":[20,25,71,93,112],"a":[21,83,94,155,193],"known":[22],"problem.":[23],"Saturation":[24,47],"usually":[26],"not":[27,118],"caused":[28],"by":[29,34],"PD":[31],"signals,":[32],"but":[33],"50":[36,181],"Hz":[37,182],"(or":[38],"60":[39],"Hz)":[40],"operating":[41,183],"cable.":[46],"falsifies":[48],"measurement":[50],"results,":[51],"reduces":[52,127],"HFCT":[54,128,195],"sensitivity":[55],"and":[56,104,153],"should":[57],"therefore":[58],"be":[59,119,176],"avoided":[60],"as":[61,63,97],"much":[62],"possible.":[64],"A":[65],"typical":[66],"method":[67],"avoid":[69],"insert":[73],"air":[74,90,110,125,136,161,173,197],"gaps":[75],"in":[76,200],"ferrite":[78],"core,":[79],"i.e.,":[80],"use":[82],"split-core":[84,141,194],"HFCT.":[85,165],"However,":[86],"finding":[87],"optimal":[89,135,160],"gap":[91,111,126,137,162,174,198],"length":[92],"complicated":[95],"task":[96],"it":[98],"depends":[99],"material":[103],"degree":[105],"saturation.":[107],"If":[108],"too":[113,122],"small,":[114],"will":[117],"reduced":[120],"enough;":[121],"large":[123],"an":[124,139],"sensitivity.":[129],"In":[130],"order":[131],"find":[133],"exemplary":[140],"HFCT,":[142],"we":[143,189],"performed":[144],"many":[145],"measurements.":[146],"This":[147],"paper":[148],"presents":[149],"all":[150],"results":[152],"derives":[154],"function":[156],"calculate":[158],"for":[163],"our":[164],"To":[166],"achieve":[167],"highest":[169],"possible":[170],"sensitivity,":[171],"must":[175],"adjusted":[177],"depending":[178],"current.":[184],"Based":[185],"this":[187],"result,":[188],"plan":[190],"develop":[192],"with":[196],"control":[199],"future.":[202]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":2},{"year":2023,"cited_by_count":2}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}
