{"id":"https://openalex.org/W1526154366","doi":null,"title":"Islanding model for preventing wide-area blackouts and the issue of local solutions of the optimal power flow problem","display_name":"Islanding model for preventing wide-area blackouts and the issue of local solutions of the optimal power flow problem","publication_year":2014,"publication_date":"2014-07-01","ids":{"openalex":"https://openalex.org/W1526154366","mag":"1526154366"},"language":"en","primary_location":{"id":"pmh:oai:era.ed.ac.uk:1842/9671","doi":null,"is_oa":true,"landing_page_url":"https://era.ed.ac.uk/bitstream/1842/9671/2/Bukhsh2014.pdf","pdf_url":"https://era.ed.ac.uk/bitstreams/e1a78f77-c498-4deb-90e1-df3b788c5910/download","source":{"id":"https://openalex.org/S7407055182","display_name":"ERA","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":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Thesis or Dissertation"},"volume":null,"type":"dissertation","is_traditional":true,"indexed_in":[],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://era.ed.ac.uk/bitstreams/e1a78f77-c498-4deb-90e1-df3b788c5910/download","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5081069324","display_name":"Waqquas Bukhsh","orcid":"https://orcid.org/0000-0002-5765-0747","observed_orcids":["https://orcid.org/0000-0002-5765-0747"]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Waqquas Bukhsh","raw_affiliation_strings":["Electronic And Electrical Engineering"],"raw_orcid":"https://orcid.org/0000-0002-5765-0747","affiliations":[{"raw_affiliation_string":"Electronic And Electrical Engineering","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5081069324"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10454","display_name":"Optimal Power Flow Distribution","score":0.5195000171661377,"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":0.5195000171661377,"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":0.24560000002384186,"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/T10424","display_name":"Electric Power System Optimization","score":0.21279999613761902,"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/optimal-power-flow","display_name":"optimal power flow","score":0.9190000295639038},{"id":"https://openalex.org/keywords/local-optima","display_name":"local optima","score":0.7540000081062317},{"id":"https://openalex.org/keywords/nonconvex-optimization","display_name":"non-convex optimization","score":0.8190000057220459},{"id":"https://openalex.org/keywords/nonlinear-relaxation","display_name":"nonlinear relaxation","score":0.8569999933242798},{"id":"https://openalex.org/keywords/lower-bounds","display_name":"lower bounds","score":0.6700000166893005},{"id":"https://openalex.org/keywords/islanded-operation","display_name":"islanded operation","score":0.7289999723434448},{"id":"https://openalex.org/keywords/power-system-partitioning","display_name":"power system partitioning","score":0.5070000290870667},{"id":"https://openalex.org/keywords/mixed-integer-linear-programming","display_name":"mixed-integer linear programming","score":0.8510000109672546},{"id":"https://openalex.org/keywords/line-switching","display_name":"line switching","score":0.8370000123977661},{"id":"https://openalex.org/keywords/load-shedding","display_name":"load shedding","score":1.0},{"id":"https://openalex.org/keywords/dc-power-flow","display_name":"DC power flow","score":0.6970000267028809},{"id":"https://openalex.org/keywords/piecewise-linear-approximation","display_name":"piecewise linear approximation","score":0.8989999890327454},{"id":"https://openalex.org/keywords/test-cases","display_name":"test cases","score":0.5329999923706055}],"concepts":[{"id":"https://openalex.org/C2778675665","wikidata":"https://www.wikidata.org/wiki/Q1308552","display_name":"Islanding","level":4,"score":0.9562394022941589},{"id":"https://openalex.org/C2986056383","wikidata":"https://www.wikidata.org/wiki/Q556030","display_name":"Power flow","level":4,"score":0.7150489091873169},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.5372341275215149},{"id":"https://openalex.org/C38349280","wikidata":"https://www.wikidata.org/wiki/Q1434290","display_name":"Flow (mathematics)","level":2,"score":0.5199912190437317},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.39640218019485474},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.36865514516830444},{"id":"https://openalex.org/C42475967","wikidata":"https://www.wikidata.org/wiki/Q194292","display_name":"Operations research","level":1,"score":0.3339877724647522},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.31654423475265503},{"id":"https://openalex.org/C89227174","wikidata":"https://www.wikidata.org/wiki/Q2388981","display_name":"Electric power system","level":3,"score":0.24135175347328186},{"id":"https://openalex.org/C57879066","wikidata":"https://www.wikidata.org/wiki/Q41217","display_name":"Mechanics","level":1,"score":0.2375481128692627},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.19770345091819763},{"id":"https://openalex.org/C97355855","wikidata":"https://www.wikidata.org/wiki/Q11473","display_name":"Thermodynamics","level":1,"score":0.07474863529205322}],"mesh":[],"locations_count":2,"locations":[{"id":"pmh:oai:era.ed.ac.uk:1842/9671","doi":null,"is_oa":true,"landing_page_url":"https://era.ed.ac.uk/bitstream/1842/9671/2/Bukhsh2014.pdf","pdf_url":"https://era.ed.ac.uk/bitstreams/e1a78f77-c498-4deb-90e1-df3b788c5910/download","source":{"id":"https://openalex.org/S7407055182","display_name":"ERA","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":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Thesis or Dissertation"},{"id":"mag:1526154366","doi":null,"is_oa":false,"landing_page_url":"https://era.ed.ac.uk/handle/1842/9671","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null}],"best_oa_location":{"id":"pmh:oai:era.ed.ac.uk:1842/9671","doi":null,"is_oa":true,"landing_page_url":"https://era.ed.ac.uk/bitstream/1842/9671/2/Bukhsh2014.pdf","pdf_url":"https://era.ed.ac.uk/bitstreams/e1a78f77-c498-4deb-90e1-df3b788c5910/download","source":{"id":"https://openalex.org/S7407055182","display_name":"ERA","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":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Thesis or Dissertation"},"sustainable_development_goals":[{"score":0.878000020980835,"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy"},{"score":0.7207000255584717,"id":"https://metadata.un.org/sdg/9","display_name":"Industry, innovation and infrastructure"}],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320334627","display_name":"Engineering and Physical Sciences Research Council","ror":"https://ror.org/0439y7842"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W1526154366.pdf","grobid_xml":"https://content.openalex.org/works/W1526154366.grobid-xml"},"referenced_works_count":9,"referenced_works":["https://openalex.org/W562107606","https://openalex.org/W1982226497","https://openalex.org/W2014328192","https://openalex.org/W2081910618","https://openalex.org/W2084382342","https://openalex.org/W2100062661","https://openalex.org/W2123871098","https://openalex.org/W2132239994","https://openalex.org/W2145367961"],"related_works":["https://openalex.org/W2791803471","https://openalex.org/W7095820861","https://openalex.org/W7098718018","https://openalex.org/W2148147796","https://openalex.org/W2030163526","https://openalex.org/W7099418413","https://openalex.org/W2374425248","https://openalex.org/W1982226497","https://openalex.org/W7096961451","https://openalex.org/W2100370565"],"abstract_inverted_index":{"Optimization":[0],"plays":[1],"a":[2,58,104,128,163],"central":[3],"role":[4],"in":[5,25,46,103,143],"the":[6,31,121,150,202,225,228,254,288],"control":[7],"and":[8,41,66,97,117,136,205,215,219,231,259,281],"operation":[9,230],"of":[10,51,54,60,83,91,123,132,149,153,185,194,201,207,237,246,253,256,269,291],"electricity":[11],"power":[12,26,33,47,92,186,195,247],"networks.":[13],"In":[14,190],"this":[15,141,257,262,292],"thesis":[16],"we":[17],"focus":[18],"on":[19,235,284],"two":[20],"very":[21,279],"important":[22],"optimization":[23,44],"problems":[24],"systems.":[27],"The":[28,49,155,240,272],"first":[29],"is":[30,38,134,138,159,188,197,212],"optimal":[32],"flow":[34,248],"problem":[35,45,77,157],"(OPF).":[36],"This":[37],"an":[39],"old":[40],"well-known":[42],"nonconvex":[43],"system.":[48],"existence":[50],"local":[52,65,84,95],"solutions":[53,96],"OPF":[55,76,133],"has":[56],"been":[57,71],"question":[59],"interest":[61],"for":[62,183],"decades.":[63],"Both":[64],"global":[67,151],"solution":[68,125,152],"techniques":[69],"have":[70,87,98],"put":[72],"forward":[73],"to":[74,119,161,169],"solve":[75],"but":[78],"without":[79],"any":[80],"documented":[81],"cases":[82,90,102],"solutions.":[85],"We":[86,222,250],"produced":[88],"test":[89,101,120,232,238],"networks":[93,196,286],"with":[94],"collected":[99],"these":[100],"publicly":[105],"available":[106],"online":[107],"archive":[108],"(http://www.maths.ed.ac.uk/optenergy/LocalOpt/),":[109],"which":[110],"can":[111],"be":[112],"used":[113],"now":[114],"by":[115,264],"researchers":[116],"practitioners":[118],"robustness":[122],"their":[124],"techniques.":[126],"Also":[127],"new":[129],"nonlinear":[130,270],"relaxation":[131,142],"presented":[135],"it":[137],"shown":[139],"that":[140],"practice":[144],"gives":[145],"tight":[146],"lower":[147],"bounds":[148],"OPF.":[154],"second":[156],"considered":[158],"how":[160],"split":[162],"network":[164],"into":[165],"islands":[166],"so":[167],"as":[168],"prevent":[170],"cascading":[171],"blackouts":[172],"over":[173],"wide":[174],"areas.":[175],"A":[176],"mixed":[177],"integer":[178],"linear":[179,267],"programming":[180],"(MILP)":[181],"model":[182,234,242,245,258,263,274],"islanding":[184,193,229,241],"system":[187],"presented.":[189],"recent":[191],"years,":[192],"attracting":[198],"attention,":[199],"because":[200],"increasing":[203],"occurrence":[204],"risk":[206],"blackouts.":[208],"Our":[209],"proposed":[210],"approach":[211],"quite":[213],"flexible":[214],"incorporates":[216],"line":[217],"switching":[218],"load":[220],"shedding.":[221],"also":[223],"give":[224,251],"motivation":[226],"behind":[227],"our":[233],"variety":[236],"cases.":[239],"uses":[243],"DC":[244],"equations.":[249],"some":[252],"shortcomings":[255],"later":[260],"improve":[261],"using":[265],"piecewise":[266],"approximation":[268],"terms.":[271],"improved":[273],"yields":[275],"good":[276],"feasible":[277],"results":[278,283],"quickly":[280],"numerical":[282],"large":[285],"show":[287],"promising":[289],"performance":[290],"model.":[293]},"counts_by_year":[],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2016-06-24T00:00:00"}
