{"id":"https://openalex.org/W4412623141","doi":"https://doi.org/10.1109/access.2025.3592248","title":"Frequency Stability Evaluation Based on Conservative Piecewise-Linearized Frequency Nadir Model in South Korea","display_name":"Frequency Stability Evaluation Based on Conservative Piecewise-Linearized Frequency Nadir Model in South Korea","publication_year":2025,"publication_date":"2025-01-01","ids":{"openalex":"https://openalex.org/W4412623141","doi":"https://doi.org/10.1109/access.2025.3592248"},"language":"en","primary_location":{"id":"doi:10.1109/access.2025.3592248","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2025.3592248","pdf_url":null,"source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://doi.org/10.1109/access.2025.3592248","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5102621381","display_name":"Yongbeom Son","orcid":null},"institutions":[{"id":"https://openalex.org/I197347611","display_name":"Korea University","ror":"https://ror.org/047dqcg40","country_code":"KR","type":"education","lineage":["https://openalex.org/I197347611"]}],"countries":["KR"],"is_corresponding":true,"raw_author_name":"Yongbeom Son","raw_affiliation_strings":["School of Electrical Engineering, Korea University, Seoul, South Korea"],"affiliations":[{"raw_affiliation_string":"School of Electrical Engineering, Korea University, Seoul, South Korea","institution_ids":["https://openalex.org/I197347611"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5050937067","display_name":"Minhyeok Chang","orcid":"https://orcid.org/0009-0001-5626-7666"},"institutions":[{"id":"https://openalex.org/I197347611","display_name":"Korea University","ror":"https://ror.org/047dqcg40","country_code":"KR","type":"education","lineage":["https://openalex.org/I197347611"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Minhyeok Chang","raw_affiliation_strings":["School of Electrical Engineering, Korea University, Seoul, South Korea"],"affiliations":[{"raw_affiliation_string":"School of Electrical Engineering, Korea University, Seoul, South Korea","institution_ids":["https://openalex.org/I197347611"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5093846662","display_name":"Chiwon Seo","orcid":null},"institutions":[{"id":"https://openalex.org/I197347611","display_name":"Korea University","ror":"https://ror.org/047dqcg40","country_code":"KR","type":"education","lineage":["https://openalex.org/I197347611"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Chiwon Seo","raw_affiliation_strings":["School of Electrical Engineering, Korea University, Seoul, South Korea"],"affiliations":[{"raw_affiliation_string":"School of Electrical Engineering, Korea University, Seoul, South Korea","institution_ids":["https://openalex.org/I197347611"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5034284195","display_name":"Sungwoo Kang","orcid":"https://orcid.org/0000-0002-8830-5030"},"institutions":[{"id":"https://openalex.org/I197347611","display_name":"Korea University","ror":"https://ror.org/047dqcg40","country_code":"KR","type":"education","lineage":["https://openalex.org/I197347611"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Sungwoo Kang","raw_affiliation_strings":["School of Electrical Engineering, Korea University, Seoul, South Korea"],"affiliations":[{"raw_affiliation_string":"School of Electrical Engineering, Korea University, Seoul, South Korea","institution_ids":["https://openalex.org/I197347611"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5080521619","display_name":"Yonggu Ha","orcid":null},"institutions":[{"id":"https://openalex.org/I198972184","display_name":"Korea Electric Power Corporation (South Korea)","ror":"https://ror.org/04fperw70","country_code":"KR","type":"company","lineage":["https://openalex.org/I198972184"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Yonggu Ha","raw_affiliation_strings":["Korea Electric Power Corporation (KEPCO), Naju, South Korea","Korea Electricity Power Corporation (KEPCO), Na-Ju, South Korea"],"affiliations":[{"raw_affiliation_string":"Korea Electric Power Corporation (KEPCO), Naju, South Korea","institution_ids":["https://openalex.org/I198972184"]},{"raw_affiliation_string":"Korea Electricity Power Corporation (KEPCO), Na-Ju, South Korea","institution_ids":["https://openalex.org/I198972184"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5032526957","display_name":"Jong-An Kim","orcid":null},"institutions":[{"id":"https://openalex.org/I198972184","display_name":"Korea Electric Power Corporation (South Korea)","ror":"https://ror.org/04fperw70","country_code":"KR","type":"company","lineage":["https://openalex.org/I198972184"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Jongan Kim","raw_affiliation_strings":["Korea Electric Power Corporation (KEPCO), Naju, South Korea","Korea Electricity Power Corporation (KEPCO), Na-Ju, South Korea"],"affiliations":[{"raw_affiliation_string":"Korea Electric Power Corporation (KEPCO), Naju, South Korea","institution_ids":["https://openalex.org/I198972184"]},{"raw_affiliation_string":"Korea Electricity Power Corporation (KEPCO), Na-Ju, South Korea","institution_ids":["https://openalex.org/I198972184"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5041680792","display_name":"Myunghwan Choi","orcid":"https://orcid.org/0009-0009-0018-0527"},"institutions":[{"id":"https://openalex.org/I198972184","display_name":"Korea Electric Power Corporation (South Korea)","ror":"https://ror.org/04fperw70","country_code":"KR","type":"company","lineage":["https://openalex.org/I198972184"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Myunghwan Choi","raw_affiliation_strings":["Korea Electric Power Corporation (KEPCO), Naju, South Korea","Korea Electricity Power Corporation (KEPCO), Na-Ju, South Korea"],"affiliations":[{"raw_affiliation_string":"Korea Electric Power Corporation (KEPCO), Naju, South Korea","institution_ids":["https://openalex.org/I198972184"]},{"raw_affiliation_string":"Korea Electricity Power Corporation (KEPCO), Na-Ju, South Korea","institution_ids":["https://openalex.org/I198972184"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5002830427","display_name":"Minhan Yoon","orcid":"https://orcid.org/0000-0002-4309-0072"},"institutions":[{"id":"https://openalex.org/I161024014","display_name":"Kwangwoon University","ror":"https://ror.org/02e9zc863","country_code":"KR","type":"education","lineage":["https://openalex.org/I161024014"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Minhan Yoon","raw_affiliation_strings":["Department of Electrical Engineering, Kwangwoon University, Seoul, South Korea"],"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Kwangwoon University, Seoul, South Korea","institution_ids":["https://openalex.org/I161024014"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5056296601","display_name":"Gilsoo Jang","orcid":"https://orcid.org/0000-0001-7590-8345"},"institutions":[{"id":"https://openalex.org/I198972184","display_name":"Korea Electric Power Corporation (South Korea)","ror":"https://ror.org/04fperw70","country_code":"KR","type":"company","lineage":["https://openalex.org/I198972184"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Gilsoo Jang","raw_affiliation_strings":["Korea Electric Power Corporation (KEPCO), Naju, South Korea","Korea Electricity Power Corporation (KEPCO), Na-Ju, South Korea"],"affiliations":[{"raw_affiliation_string":"Korea Electric Power Corporation (KEPCO), Naju, South Korea","institution_ids":["https://openalex.org/I198972184"]},{"raw_affiliation_string":"Korea Electricity Power Corporation (KEPCO), Na-Ju, South Korea","institution_ids":["https://openalex.org/I198972184"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":9,"corresponding_author_ids":["https://openalex.org/A5102621381"],"corresponding_institution_ids":["https://openalex.org/I197347611"],"apc_list":{"value":1850,"currency":"USD","value_usd":1850},"apc_paid":{"value":1850,"currency":"USD","value_usd":1850},"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.20618177,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"13","issue":null,"first_page":"132385","last_page":"132397"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10305","display_name":"Power System Optimization and Stability","score":0.9904999732971191,"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/T10305","display_name":"Power System Optimization and Stability","score":0.9904999732971191,"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/T13955","display_name":"Evaluation Methods in Various Fields","score":0.9836000204086304,"subfield":{"id":"https://openalex.org/subfields/2302","display_name":"Ecological Modeling"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11941","display_name":"Power System Reliability and Maintenance","score":0.9807000160217285,"subfield":{"id":"https://openalex.org/subfields/2213","display_name":"Safety, Risk, Reliability and Quality"},"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/nadir","display_name":"Nadir","score":0.8177136778831482},{"id":"https://openalex.org/keywords/stability","display_name":"Stability (learning theory)","score":0.6258158087730408},{"id":"https://openalex.org/keywords/piecewise","display_name":"Piecewise","score":0.5819008946418762},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.39837995171546936},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3788919150829315},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.3650978207588196},{"id":"https://openalex.org/keywords/mathematical-analysis","display_name":"Mathematical analysis","score":0.20847997069358826},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.12137681245803833},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.11797869205474854},{"id":"https://openalex.org/keywords/satellite","display_name":"Satellite","score":0.06691798567771912}],"concepts":[{"id":"https://openalex.org/C88575799","wikidata":"https://www.wikidata.org/wiki/Q145825","display_name":"Nadir","level":3,"score":0.8177136778831482},{"id":"https://openalex.org/C112972136","wikidata":"https://www.wikidata.org/wiki/Q7595718","display_name":"Stability (learning theory)","level":2,"score":0.6258158087730408},{"id":"https://openalex.org/C164660894","wikidata":"https://www.wikidata.org/wiki/Q2037833","display_name":"Piecewise","level":2,"score":0.5819008946418762},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.39837995171546936},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3788919150829315},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.3650978207588196},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.20847997069358826},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.12137681245803833},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.11797869205474854},{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.06691798567771912},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.0},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.0},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/access.2025.3592248","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2025.3592248","pdf_url":null,"source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:2e287123a6a64182962a13d732ddf33e","is_oa":true,"landing_page_url":"https://doaj.org/article/2e287123a6a64182962a13d732ddf33e","pdf_url":null,"source":{"id":"https://openalex.org/S112646816","display_name":"SHILAP Revista de lepidopterolog\u00eda","issn_l":"0300-5267","issn":["0300-5267","2340-4078"],"is_oa":true,"is_in_doaj":true,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Access, Vol 13, Pp 132385-132397 (2025)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1109/access.2025.3592248","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2025.3592248","pdf_url":null,"source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"sustainable_development_goals":[{"score":0.6600000262260437,"id":"https://metadata.un.org/sdg/13","display_name":"Climate action"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320322120","display_name":"National Research Foundation of Korea","ror":"https://ror.org/013aysd81"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":28,"referenced_works":["https://openalex.org/W1571403844","https://openalex.org/W1763243278","https://openalex.org/W2037586425","https://openalex.org/W2117397926","https://openalex.org/W2154029134","https://openalex.org/W2619168762","https://openalex.org/W2776083229","https://openalex.org/W2789630526","https://openalex.org/W2802839291","https://openalex.org/W2886044418","https://openalex.org/W2905364503","https://openalex.org/W2940609542","https://openalex.org/W3027105970","https://openalex.org/W3031644478","https://openalex.org/W3033304941","https://openalex.org/W3092401946","https://openalex.org/W3135215158","https://openalex.org/W3181414006","https://openalex.org/W3211924836","https://openalex.org/W4293150132","https://openalex.org/W4366148670","https://openalex.org/W4380083542","https://openalex.org/W4381747987","https://openalex.org/W4383066079","https://openalex.org/W4385627096","https://openalex.org/W4386883104","https://openalex.org/W4389352414","https://openalex.org/W4392125560"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W1936443018","https://openalex.org/W3114051225","https://openalex.org/W2495312616","https://openalex.org/W2053295005","https://openalex.org/W2043483232","https://openalex.org/W2052056785","https://openalex.org/W2989793328","https://openalex.org/W2979979995","https://openalex.org/W1524657574"],"abstract_inverted_index":{"Synchronous":[0],"generators":[1],"(SGs)":[2],"provide":[3],"the":[4,15,32,95,115,122,138,141,149,157,166],"inertia":[5,129],"and":[6,37,51,98,108,130,147,165],"reserve":[7,103,106],"power":[8,16,159,177],"required":[9],"to":[10,44],"ensure":[11],"frequency":[12,26,56,66,72,86,96,101,123],"stability":[13,27,57,67],"in":[14,34,40,42,140,183],"system,":[17],"while":[18],"renewable":[19,35],"resources":[20,36],"do":[21],"not":[22],"contribute":[23],"effectively.":[24],"Maintaining":[25],"is":[28,68],"challenging":[29],"because":[30],"of":[31,114,127],"increase":[33],"corresponding":[38],"decline":[39],"SGs":[41],"response":[43],"climate":[45],"change.":[46],"Therefore,":[47],"developing":[48],"grid":[49],"operation":[50],"planning":[52],"strategies":[53],"based":[54,70,90],"on":[55,71,91,121,137],"evaluation":[58],"has":[59],"become":[60],"increasingly":[61],"important.":[62],"In":[63],"South":[64,163,184],"Korea,":[65],"evaluated":[69],"nadir":[73,87,97,124],"during":[74],"disturbances":[75],"such":[76],"as":[77,172],"generator":[78],"failures.":[79],"This":[80,152],"paper":[81],"proposes":[82],"a":[83],"conservative":[84],"piecewise-linearized":[85],"(C-PLFN)":[88],"model":[89],"linearized":[92],"relationships":[93],"between":[94],"system":[99,128,160,178],"inertia,":[100],"regulating":[102],"space,":[104],"governor-free":[105],"(GFR),":[107],"load":[109,133,145],"size.":[110],"The":[111],"main":[112],"features":[113],"proposed":[116],"methodology":[117],"include":[118],"linear":[119,135],"regression":[120,136],"against":[125],"datasets":[126],"GFR":[131],"by":[132,144],"sizes,":[134,146],"coefficients":[139],"equation":[142],"obtained":[143],"formalizing":[148],"C-PLFN":[150],"model.":[151],"method":[153],"was":[154],"validated":[155],"using":[156],"2024":[158],"data":[161,170,175],"for":[162,176,180],"Korea":[164],"transmission":[167],"security":[168],"management":[169],"saved":[171],"real-time":[173],"steady-state":[174],"simulation":[179],"engineering":[181],"simulations":[182],"Korea.":[185]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
