{"id":"https://openalex.org/W3199660918","doi":"https://doi.org/10.1145/3538637.3538858","title":"An iterative approach to improving solution quality for AC optimal power flow problems","display_name":"An iterative approach to improving solution quality for AC optimal power flow problems","publication_year":2022,"publication_date":"2022-06-22","ids":{"openalex":"https://openalex.org/W3199660918","doi":"https://doi.org/10.1145/3538637.3538858","mag":"3199660918"},"language":"en","primary_location":{"id":"doi:10.1145/3538637.3538858","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3538637.3538858","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3538637.3538858","source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the Thirteenth ACM International Conference on Future Energy Systems","raw_type":"proceedings-article"},"type":"preprint","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://dl.acm.org/doi/pdf/10.1145/3538637.3538858","any_repository_has_fulltext":null},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5100450721","display_name":"Ling Zhang","orcid":"https://orcid.org/0000-0001-8206-3408"},"institutions":[{"id":"https://openalex.org/I201448701","display_name":"University of Washington","ror":"https://ror.org/00cvxb145","country_code":"US","type":"education","lineage":["https://openalex.org/I201448701"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Ling Zhang","raw_affiliation_strings":["University of Washington"],"affiliations":[{"raw_affiliation_string":"University of Washington","institution_ids":["https://openalex.org/I201448701"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5013901541","display_name":"Baosen Zhang","orcid":"https://orcid.org/0000-0003-4065-7341"},"institutions":[{"id":"https://openalex.org/I201448701","display_name":"University of Washington","ror":"https://ror.org/00cvxb145","country_code":"US","type":"education","lineage":["https://openalex.org/I201448701"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Baosen Zhang","raw_affiliation_strings":["University of Washington"],"affiliations":[{"raw_affiliation_string":"University of Washington","institution_ids":["https://openalex.org/I201448701"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5100450721"],"corresponding_institution_ids":["https://openalex.org/I201448701"],"apc_list":null,"apc_paid":null,"fwci":0.1847,"has_fulltext":true,"cited_by_count":2,"citation_normalized_percentile":{"value":0.45312416,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":96},"biblio":{"volume":"1","issue":null,"first_page":"289","last_page":"301"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10454","display_name":"Optimal Power Flow Distribution","score":0.9998999834060669,"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/T10454","display_name":"Optimal Power Flow Distribution","score":0.9998999834060669,"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/T10305","display_name":"Power System Optimization and Stability","score":0.9966999888420105,"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/T10223","display_name":"Microgrid Control and Optimization","score":0.9937999844551086,"subfield":{"id":"https://openalex.org/subfields/2207","display_name":"Control and Systems 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/solver","display_name":"Solver","score":0.8671028017997742},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.7602086663246155},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6272234320640564},{"id":"https://openalex.org/keywords/power-flow","display_name":"Power flow","score":0.6027774214744568},{"id":"https://openalex.org/keywords/iterative-method","display_name":"Iterative method","score":0.547422468662262},{"id":"https://openalex.org/keywords/simple","display_name":"Simple (philosophy)","score":0.5365225672721863},{"id":"https://openalex.org/keywords/dual","display_name":"Dual (grammatical number)","score":0.520255446434021},{"id":"https://openalex.org/keywords/flow","display_name":"Flow (mathematics)","score":0.5179383158683777},{"id":"https://openalex.org/keywords/process","display_name":"Process (computing)","score":0.5149329304695129},{"id":"https://openalex.org/keywords/quality","display_name":"Quality (philosophy)","score":0.4761614501476288},{"id":"https://openalex.org/keywords/iterative-and-incremental-development","display_name":"Iterative and incremental development","score":0.46743765473365784},{"id":"https://openalex.org/keywords/augmented-lagrangian-method","display_name":"Augmented Lagrangian method","score":0.46240049600601196},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.40293437242507935},{"id":"https://openalex.org/keywords/electric-power-system","display_name":"Electric power system","score":0.2563183009624481},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2523307800292969}],"concepts":[{"id":"https://openalex.org/C2778770139","wikidata":"https://www.wikidata.org/wiki/Q1966904","display_name":"Solver","level":2,"score":0.8671028017997742},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.7602086663246155},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6272234320640564},{"id":"https://openalex.org/C2986056383","wikidata":"https://www.wikidata.org/wiki/Q556030","display_name":"Power flow","level":4,"score":0.6027774214744568},{"id":"https://openalex.org/C159694833","wikidata":"https://www.wikidata.org/wiki/Q2321565","display_name":"Iterative method","level":2,"score":0.547422468662262},{"id":"https://openalex.org/C2780586882","wikidata":"https://www.wikidata.org/wiki/Q7520643","display_name":"Simple (philosophy)","level":2,"score":0.5365225672721863},{"id":"https://openalex.org/C2780980858","wikidata":"https://www.wikidata.org/wiki/Q110022","display_name":"Dual (grammatical number)","level":2,"score":0.520255446434021},{"id":"https://openalex.org/C38349280","wikidata":"https://www.wikidata.org/wiki/Q1434290","display_name":"Flow (mathematics)","level":2,"score":0.5179383158683777},{"id":"https://openalex.org/C98045186","wikidata":"https://www.wikidata.org/wiki/Q205663","display_name":"Process (computing)","level":2,"score":0.5149329304695129},{"id":"https://openalex.org/C2779530757","wikidata":"https://www.wikidata.org/wiki/Q1207505","display_name":"Quality (philosophy)","level":2,"score":0.4761614501476288},{"id":"https://openalex.org/C143587482","wikidata":"https://www.wikidata.org/wiki/Q1543216","display_name":"Iterative and incremental development","level":2,"score":0.46743765473365784},{"id":"https://openalex.org/C150452318","wikidata":"https://www.wikidata.org/wiki/Q4820432","display_name":"Augmented Lagrangian method","level":2,"score":0.46240049600601196},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.40293437242507935},{"id":"https://openalex.org/C89227174","wikidata":"https://www.wikidata.org/wiki/Q2388981","display_name":"Electric power system","level":3,"score":0.2563183009624481},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2523307800292969},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"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/C115903868","wikidata":"https://www.wikidata.org/wiki/Q80993","display_name":"Software engineering","level":1,"score":0.0},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.0},{"id":"https://openalex.org/C124952713","wikidata":"https://www.wikidata.org/wiki/Q8242","display_name":"Literature","level":1,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C142362112","wikidata":"https://www.wikidata.org/wiki/Q735","display_name":"Art","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3538637.3538858","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3538637.3538858","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3538637.3538858","source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the Thirteenth ACM International Conference on Future Energy Systems","raw_type":"proceedings-article"}],"best_oa_location":{"id":"doi:10.1145/3538637.3538858","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3538637.3538858","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3538637.3538858","source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the Thirteenth ACM International Conference on Future Energy Systems","raw_type":"proceedings-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G2091708217","display_name":"Collaborative Research: Learning and Optimizing Power Systems: A Geometric Approach","funder_award_id":"1807142","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G2296916099","display_name":null,"funder_award_id":"ECCS-1","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G848032724","display_name":null,"funder_award_id":"Science","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"}],"funders":[{"id":"https://openalex.org/F4320306076","display_name":"National Science Foundation","ror":"https://ror.org/021nxhr62"},{"id":"https://openalex.org/F4320337392","display_name":"Division of Electrical, Communications and Cyber Systems","ror":"https://ror.org/01krpsy48"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3199660918.pdf","grobid_xml":"https://content.openalex.org/works/W3199660918.grobid-xml"},"referenced_works_count":34,"referenced_works":["https://openalex.org/W2016764453","https://openalex.org/W2039353469","https://openalex.org/W2067291211","https://openalex.org/W2093909370","https://openalex.org/W2103601587","https://openalex.org/W2106424475","https://openalex.org/W2111198155","https://openalex.org/W2118525742","https://openalex.org/W2123568024","https://openalex.org/W2123871098","https://openalex.org/W2134172715","https://openalex.org/W2140819053","https://openalex.org/W2141380252","https://openalex.org/W2145367961","https://openalex.org/W2147665001","https://openalex.org/W2273982005","https://openalex.org/W2337490698","https://openalex.org/W2617430085","https://openalex.org/W2782911266","https://openalex.org/W2798766386","https://openalex.org/W2911464544","https://openalex.org/W2949328094","https://openalex.org/W2990642533","https://openalex.org/W2993485388","https://openalex.org/W3092131689","https://openalex.org/W3092236437","https://openalex.org/W3117204083","https://openalex.org/W3170941564","https://openalex.org/W3175257994","https://openalex.org/W4230165092","https://openalex.org/W4240579401","https://openalex.org/W4241368925","https://openalex.org/W4245075547","https://openalex.org/W4288940005"],"related_works":["https://openalex.org/W2575281790","https://openalex.org/W2158955690","https://openalex.org/W2022562732","https://openalex.org/W1495035728","https://openalex.org/W2498640783","https://openalex.org/W2034475059","https://openalex.org/W2026748623","https://openalex.org/W2758781407","https://openalex.org/W2528330837","https://openalex.org/W2360231538"],"abstract_inverted_index":{"The":[0,133],"existence":[1],"of":[2,53,126],"multiple":[3],"solutions":[4,54,118,144],"to":[5,49,55,95,119,145],"AC":[6],"optimal":[7],"power":[8],"flow":[9],"(ACOPF)":[10],"problems":[11],"has":[12],"been":[13],"noted":[14],"for":[15,64,100],"decades.":[16],"Existing":[17],"solvers":[18],"are":[19],"generally":[20],"successful":[21],"in":[22],"finding":[23],"local":[24,117,143],"solutions,":[25],"which":[26],"satisfy":[27],"first":[28],"and":[29,71,87],"second":[30],"order":[31],"optimality":[32],"conditions,":[33],"but":[34],"may":[35],"not":[36],"be":[37],"globally":[38],"optimal.":[39],"In":[40],"this":[41,84,106],"paper,":[42],"we":[43,59,76,82,108],"propose":[44],"a":[45,78,92,150],"simple":[46],"iterative":[47],"approach":[48],"improve":[50,111],"the":[51,65,69,72,97,101,112,124],"quality":[52],"ACOPF":[56,66,102],"problems.":[57],"First,":[58],"call":[60,96],"an":[61],"existing":[62],"solver":[63,98],"problem.":[67,103],"From":[68],"solution":[70,90,113],"associated":[73],"dual":[74],"variables,":[75],"form":[77],"partial":[79,85],"Lagrangian.":[80],"Then":[81],"optimize":[83],"Lagrangian":[86],"use":[88],"its":[89],"as":[91],"warm":[93],"start":[94],"again":[99],"By":[104],"repeating":[105],"process,":[107],"can":[109,140],"iteratively":[110],"quality,":[114],"moving":[115],"from":[116,142],"global":[120,147],"ones.":[121],"We":[122],"show":[123,136],"effectiveness":[125],"our":[127,138],"algorithm":[128,139],"on":[129],"standard":[130],"IEEE":[131],"networks.":[132],"simulation":[134],"results":[135],"that":[137],"escape":[141],"achieve":[146],"optimums":[148],"within":[149],"few":[151],"iterations.":[152]},"counts_by_year":[{"year":2022,"cited_by_count":2}],"updated_date":"2026-04-10T15:06:20.359241","created_date":"2025-10-10T00:00:00"}
