基于改进最小生成树算法并考虑负荷不确定性的配电网架最优规划.pdf

29! 16" #$%& Vol. 29No. 16 2005'8( PowerSystem Technology !"#$1000-3673%2005&16-0061-05 '()*#$TM715 +,-.$A /01.$470·4051 23456789:;<= >?***@ABCDEFGHIJ6KLM ! 2"#$% 1"&!' 1"( ) 1 * 1 !"#$%&'()*+,$-&./0!1!"27100483 2 !"45%&67*89$-&./0!1!"2710054+ WORKPLANNINGBASEDONIMPROVED MINIMALCOSTSPANNINGTREEALGORITHMANDCONSIDERING INDETERMINACYOFPOWERLOADS LIUJian 2)YANGWen-yu 1)YUJian-ming 1)YAN Fei 1 *1+SchoolofAutomationandInformationEngineering)Xi’anUniversityofTechnology)Xi’an 710048)Shaanxi Province)China,2+SchoolofElectricalandControlEngineering)Xi’anUniversityofScience&Technology) Xi’an 710054)ShaanxiProvince)China- ABSTRACT$Toconsider the indeterminacyofloadsduring the planningprocess,workplanning intotwocategories,.,thesingleconditionloadsandthe multi- conditionloads,theweightsoftheedgesaredeterminedbythe secondordermomentsofthecorrespondingcurrentspassing throughtheedges,onthisbasistheoptimalplanningisobtained byuseofimprovedminimum-costspanningtreebasedalgorithm. In thecaseofexistingmulti-conditionloads in theplannedregion, thepossibilitiesofallmulti-binedto composemulti-scenario,workand initialcostisobtainedbyuseofsingleconditionloadplanning method,workunder differentscenariosarecalculatedrespectively,andtheoptimal planistheonewiththeminimumexpectati