{"id":"https://openalex.org/W6884734603","doi":"https://doi.org/10.11930/j.issn.1004-9649.202405023","title":"Traceability Method for the Causes of Abnormal Electricity Prices Based on Comparative Analysis of Key Features","display_name":"Traceability Method for the Causes of Abnormal Electricity Prices Based on Comparative Analysis of Key Features","publication_year":2025,"publication_date":"2025-05-01","ids":{"openalex":"https://openalex.org/W6884734603","doi":"https://doi.org/10.11930/j.issn.1004-9649.202405023"},"language":"en","primary_location":{"id":"pmh:oai:doaj.org/article:c86a5376e0b34336adfa9b7ac80d610d","doi":"https://doi.org/10.11930/j.issn.1004-9649.202405023","is_oa":true,"landing_page_url":"https://doaj.org/article/c86a5376e0b34336adfa9b7ac80d610d","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Zhongguo dianli, Vol 58, Iss 5, Pp 110-120 (2025)","raw_type":"article"},"volume":null,"type":"article","indexed_in":["doaj"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://doaj.org/article/c86a5376e0b34336adfa9b7ac80d610d","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5121324352","display_name":"Weijia Zhao","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Weijia ZHAO","raw_affiliation_strings":["Guangdong Power Exchange Center Co., Ltd., Guangzhou 510180, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Guangdong Power Exchange Center Co., Ltd., Guangzhou 510180, China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5121358947","display_name":"Yunxiao Bai","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Yunxiao BAI","raw_affiliation_strings":["Guangdong Power Exchange Center Co., Ltd., Guangzhou 510180, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Guangdong Power Exchange Center Co., Ltd., Guangzhou 510180, China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100388288","display_name":"Yi Zhang","orcid":"https://orcid.org/0000-0003-1687-5517","observed_orcids":["https://orcid.org/0000-0003-1687-5517"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Yunyong ZHANG","raw_affiliation_strings":["Guangdong Power Exchange Center Co., Ltd., Guangzhou 510180, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Guangdong Power Exchange Center Co., Ltd., Guangzhou 510180, China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5089743188","display_name":"Zhirun Zhu","orcid":"https://orcid.org/0009-0007-4232-4395","observed_orcids":["https://orcid.org/0009-0007-4232-4395"]},"institutions":[{"id":"https://openalex.org/I158842170","display_name":"Chongqing University","ror":"https://ror.org/023rhb549","country_code":"CN","type":"education","lineage":["https://openalex.org/I158842170"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhirun ZHU","raw_affiliation_strings":["State Key Laboratory of Power Transmission Equipment Technology (Chongqing University), Chongqing 400044, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Power Transmission Equipment Technology (Chongqing University), Chongqing 400044, China","institution_ids":["https://openalex.org/I158842170"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5039244226","display_name":"Mingxu Xiang","orcid":"https://orcid.org/0000-0002-2238-432X","observed_orcids":["https://orcid.org/0000-0002-2238-432X"]},"institutions":[{"id":"https://openalex.org/I158842170","display_name":"Chongqing University","ror":"https://ror.org/023rhb549","country_code":"CN","type":"education","lineage":["https://openalex.org/I158842170"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Mingxu XIANG","raw_affiliation_strings":["State Key Laboratory of Power Transmission Equipment Technology (Chongqing University), Chongqing 400044, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Power Transmission Equipment Technology (Chongqing University), Chongqing 400044, China","institution_ids":["https://openalex.org/I158842170"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.20897517,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":true,"primary_topic":{"id":"https://openalex.org/T10424","display_name":"Electric Power System Optimization","score":0.7099999785423279,"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"}},"topics":[{"id":"https://openalex.org/T10424","display_name":"Electric Power System Optimization","score":0.7099999785423279,"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/T11052","display_name":"Energy Load and Power Forecasting","score":0.23819999396800995,"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/T12451","display_name":"Smart Grid and Power Systems","score":0.009100000374019146,"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/electricity-price-spikes","display_name":"electricity price spikes","score":0.7390000224113464},{"id":"https://openalex.org/keywords/principal-component-analysis","display_name":"principal component analysis","score":0.9089999794960022},{"id":"https://openalex.org/keywords/electricity-market","display_name":"electricity market","score":0.49399998784065247},{"id":"https://openalex.org/keywords/electricity-price-formation","display_name":"electricity price formation","score":0.40799999237060547}],"concepts":[{"id":"https://openalex.org/C206658404","wikidata":"https://www.wikidata.org/wiki/Q12725","display_name":"Electricity","level":2,"score":0.842199981212616},{"id":"https://openalex.org/C146733006","wikidata":"https://www.wikidata.org/wiki/Q676081","display_name":"Electricity market","level":3,"score":0.7824000120162964},{"id":"https://openalex.org/C138673069","wikidata":"https://www.wikidata.org/wiki/Q322229","display_name":"Tracing","level":2,"score":0.715399980545044},{"id":"https://openalex.org/C153876917","wikidata":"https://www.wikidata.org/wiki/Q899704","display_name":"Traceability","level":2,"score":0.6894000172615051},{"id":"https://openalex.org/C184773241","wikidata":"https://www.wikidata.org/wiki/Q387400","display_name":"Mains electricity","level":3,"score":0.5529000163078308},{"id":"https://openalex.org/C2781104810","wikidata":"https://www.wikidata.org/wiki/Q23580049","display_name":"Electricity price forecasting","level":4,"score":0.5515999794006348},{"id":"https://openalex.org/C2983129042","wikidata":"https://www.wikidata.org/wiki/Q870344","display_name":"Electricity price","level":3,"score":0.5248000025749207},{"id":"https://openalex.org/C140311924","wikidata":"https://www.wikidata.org/wiki/Q200928","display_name":"Electric power transmission","level":2,"score":0.4056999981403351},{"id":"https://openalex.org/C26517878","wikidata":"https://www.wikidata.org/wiki/Q228039","display_name":"Key (lock)","level":2,"score":0.387800008058548},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.3828999996185303},{"id":"https://openalex.org/C423512","wikidata":"https://www.wikidata.org/wiki/Q383973","display_name":"Electricity generation","level":3,"score":0.3736000061035156},{"id":"https://openalex.org/C57101690","wikidata":"https://www.wikidata.org/wiki/Q2356921","display_name":"Electricity retailing","level":4,"score":0.35420000553131104},{"id":"https://openalex.org/C116834253","wikidata":"https://www.wikidata.org/wiki/Q2039217","display_name":"Identification (biology)","level":2,"score":0.35030001401901245},{"id":"https://openalex.org/C149782125","wikidata":"https://www.wikidata.org/wiki/Q160039","display_name":"Econometrics","level":1,"score":0.31220000982284546},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.30979999899864197},{"id":"https://openalex.org/C175223733","wikidata":"https://www.wikidata.org/wiki/Q1047888","display_name":"Spot contract","level":3,"score":0.3089999854564667},{"id":"https://openalex.org/C104708988","wikidata":"https://www.wikidata.org/wiki/Q1664450","display_name":"Stand-alone power system","level":4,"score":0.305400013923645},{"id":"https://openalex.org/C98045186","wikidata":"https://www.wikidata.org/wiki/Q205663","display_name":"Process (computing)","level":2,"score":0.2992999851703644},{"id":"https://openalex.org/C170777988","wikidata":"https://www.wikidata.org/wiki/Q2316331","display_name":"Electric power industry","level":3,"score":0.29660001397132874},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.2953000068664551},{"id":"https://openalex.org/C89227174","wikidata":"https://www.wikidata.org/wiki/Q2388981","display_name":"Electric power system","level":3,"score":0.275299996137619},{"id":"https://openalex.org/C144133560","wikidata":"https://www.wikidata.org/wiki/Q4830453","display_name":"Business","level":0,"score":0.26759999990463257},{"id":"https://openalex.org/C175444787","wikidata":"https://www.wikidata.org/wiki/Q39072","display_name":"Microeconomics","level":1,"score":0.2630999982357025},{"id":"https://openalex.org/C182306322","wikidata":"https://www.wikidata.org/wiki/Q1779371","display_name":"Order (exchange)","level":2,"score":0.257999986410141},{"id":"https://openalex.org/C40700","wikidata":"https://www.wikidata.org/wiki/Q1411783","display_name":"Industrial organization","level":1,"score":0.2535000145435333}],"mesh":[],"locations_count":1,"locations":[{"id":"pmh:oai:doaj.org/article:c86a5376e0b34336adfa9b7ac80d610d","doi":"https://doi.org/10.11930/j.issn.1004-9649.202405023","is_oa":true,"landing_page_url":"https://doaj.org/article/c86a5376e0b34336adfa9b7ac80d610d","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Zhongguo dianli, Vol 58, Iss 5, Pp 110-120 (2025)","raw_type":"article"}],"best_oa_location":{"id":"pmh:oai:doaj.org/article:c86a5376e0b34336adfa9b7ac80d610d","doi":"https://doi.org/10.11930/j.issn.1004-9649.202405023","is_oa":true,"landing_page_url":"https://doaj.org/article/c86a5376e0b34336adfa9b7ac80d610d","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Zhongguo dianli, Vol 58, Iss 5, Pp 110-120 (2025)","raw_type":"article"},"sustainable_development_goals":[{"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7","score":0.4000000059604645}],"sustainable_development_goals_aurora":[{"display_name":"Decent work and economic growth","id":"https://metadata.un.org/sdg/8","score":0.6423078775405884}],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"The":[0,198,216],"electricity":[1,8,30,44,74,92,99,116,129,151,175,196,230,256],"price":[2,31,45,100,117,152,176,231],"directly":[3],"reflects":[4],"the":[5,29,59,70,88,114,120,136,141,158,161,168,174,192,201,221,226,244,248,252],"attributes":[6],"of":[7,37,72,87,90,108,128,143,149,164,170,191,200,220,228,250,254],"commodities.":[9],"However,":[10,58],"influenced":[11],"by":[12],"various":[13],"factors":[14],"such":[15],"as":[16],"market":[17,214],"supply":[18],"and":[19,25,40,79,84,124,180,189,233],"demand,":[20],"power":[21,52,213],"generation":[22],"company":[23],"bids,":[24],"line":[26],"transmission":[27],"capacity,":[28],"signals":[32,46,153],"often":[33],"exhibit":[34],"diverse":[35],"forms":[36],"anomalies.":[38],"Recognizing":[39],"tracing":[41,61,102,190,225,251],"these":[42],"abnormal":[43,73,91,98,121,125,150,195,255],"are":[47,131,154,177],"crucial":[48],"daily":[49],"tasks":[50],"for":[51,146,194,224],"trading":[53],"centers":[54],"at":[55],"all":[56],"levels.":[57],"existing":[60],"methods":[62],"generally":[63],"rely":[64],"on":[65,105,113,173,183,210],"manual":[66],"experiences":[67],"to":[68,81],"analyze":[69],"causes":[71,89,193,227,253],"prices,":[75],"which":[76,240],"is":[77,204],"inefficient":[78],"difficult":[80],"ensure":[82],"objective":[83],"scientific":[85],"traceability":[86],"prices.":[93,197,257],"This":[94],"paper":[95],"proposes":[96],"an":[97],"cause":[101],"method":[103,223],"based":[104,112,182,209],"comparative":[106],"analysis":[107,139],"key":[109,144,171],"features.":[110],"Firstly,":[111],"historical":[115],"data":[118],"features,":[119],"spike":[122,234],"amplitude":[123],"average":[126,217,229],"value":[127],"prices":[130],"categorized.":[132],"And":[133],"then,":[134],"using":[135,157],"principal":[137],"component":[138],"method,":[140],"collections":[142],"features":[145,172],"each":[147,165],"type":[148],"established.":[155],"Finally,":[156],"alternative":[159],"algorithms,":[160],"influencing":[162],"degree":[163],"element":[166],"within":[167],"collection":[169],"calculated":[178],"respectively,":[179],"ranked":[181],"their":[184],"importance,":[185],"thereby":[186],"achieving":[187],"filtering":[188],"effectiveness":[199],"proposed":[202,222],"methodin":[203],"verified":[205],"through":[206],"case":[207],"studies":[208],"numerous":[211],"actual":[212],"data.":[215],"accuracy":[218],"rate":[219],"anomalies":[232,235],"reaches":[236],"more":[237],"than":[238],"85%,":[239],"can":[241],"effectively":[242],"reduce":[243],"labor":[245],"costs":[246],"in":[247],"process":[249]},"counts_by_year":[],"updated_date":"2026-10-14T16:39:01.820549","created_date":"2025-10-10T00:00:00"}
