现货市场功率分配问题模型及其求解算法研究

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1、华北电力大学（保定）博士学位论文现货市场功率分配问题模型及其求解算法研究姓名：张国立申请学位级别：博士专业：电力系统及其自动化指导教师：李庚银20060501AbstraetAbstractTheeconomicdispatchinspotmarketisoneofthekernelproblemsofelectricitymarket，whichrelatestothebenefitsofeachparticipantinthemarket，andalsothekeyissuetoassuresafety，reliability,andorderop

2、erationoftheelectricpowermarket．Althoughalotofachievementshavebeenobtained，thereareyetmanyproblemstobesolvedurgentlyThebiddingmodelofthespotmarketisanalyzed，thenewbiddingruleisproposedforaPX．ISOtypeelectricpowermarket，i．e．marketclearingpriceisdeterminedaccordingtosystemmarginalp

3、rice，andloadisdispatchedaccordingtotheruleofpay．as．bidprice．BuildpurchaseelectricitymodelandeconomicloaddispatchmodeltoSOlveanon．smoothcostfunctioncausedbythesteamadmissionvalveopeningswitharamprateconstraint．Inordertosolvetheseproblems，anewmutationopera．torandquasi．simplextechn

4、iqueareproposed．Combinequasi-simpelxtechniquewithgeneticalgorithmandevolutionaryalgorithmrespectively,develophybridgeneticalgorithmandhybridevolutionaryalgorithm，andapplythesemethodstosolvetheloaddispatchproblems．Withincreaseofconsciousnessforenvironmentprotection，publicmoreandm

5、orepayarentiontotheenvironmentpollutionproblemcausedbygenerationelectricity．Aloaddispatchmodelwiththreeobjectivefunctionsconsideredemission，purchasingcostandcoalwastageisbuiltinthispaper．Thismodelismulti-objectiveoptimizationproblem，absoluteoptimalsolutionsarenotexistedingeneral

6、，togetsatisfyingsolutions，wegivethefuzzyweightsmodelandcrispequivalentmodeltosolvemulti·objectiveprogrammingandapplythismethodtosolvetheenvironmental／loaddispatchproblemproposedinthispaper．Becausethereareuncertaintiesincostthefunctionandemissionfunction，weproposeanewfuzzyeconomi

7、cloaddispatchmodelandafuzzyenvironmental／loaddispatchmodelbyusingfuzzymathematicstheory．Fuzzyloaddispatchisfuzzynonlinearprogrammingproblem．Tosolvethisproblem，wedoesnotusemaximalsatisfyingfactormethodlikeusual，butdevelopanewsolutionmethodthatcomparetodif-fcrentpointsfunctionvalu

8、esbyusingfuzzynumberrankingmethodtoseekforoptim