诗词赏析七讲.pdf

39! 4" # $%& 2015'4( PowerSystemTechnology Apr. 2015 !"#$1000-3673)2015*04-1039-06 %&'(#$TM 721 )*+,$A -./,$4704051 0123456748'9:; !"#$%&#$'#()#*+,#-.#/0 !"#$%&'($)*!"+,-.610065/ ALoadCurrentField-BasedAlgorithmforPartitioning works XULixiong,LIUJunyong, LIUYang,GOUJing,YANZhanxin, ZHANGLi,WUYang (Schoolof Electrical EngineeringandInformation, SichuanUniversity, Chengdu610065, SichuanProvince, China) ABSTRACT:workpartitionisutilized widelyforsimplifyingsecurityanalysis,operationmonitoring -basedalgorithmfor virtualfiledisdefinedtorepresentthenode’sinfluenceonthe isformulatedtoquantifytheextentthatthenodeisaffectedby short-rangefiledtheloadcurrentvirtualpotentialisappliedto reflecttheconnectiondensenessintheareasurroundingthe posedofseverallocalhighpotentialareas connectedgroupsofnodeswithhighpotential,thepartition benchmarkandareal-worldprovincialpowergridshowthat thealgorithmcandiscovertheintrinsiczonalstructurein worksandhasanadvantageovertheexisting methodsinsettlingthenumberofpartitionsautonomously. KEYWORDS:workspartition;equivalentfactor matrix;short-rangefield;loadcurrentvirtualpotentialfield; hierarchicalclustering <=$#$+,-./01+23456789:;<=> ?@+ABCDEFGHIJKL=MNOPQ-RSTU +,VWC#$+,XYHZ#[$\]^_C`abcd bcC+efgNh=ijklmnKopCqrUsOG Jtu]^bc[8]^xy#z{|Kox y#z{|p=}p~C !"#]^_$%C&'E :=(+,)*+p~,n-./01234C56,7= 689:;p~<=,v+>C?p~56,!***@AB# $C+,HIEEE 39]^CDEF8GH$***@IEFCJK LMOvMXYC?******@Gg=vMXYOPQRS? XYTYRSTUN+,WUCVWH >?@$#$+,XYNZ[\]X^EKXxy#z{| 0ABC_`aRbcmIdeU(51261130472=51207098)H ProjectSupportedbyNationalNaturalScienceFoundationofChina (51261130472,51207098). pKXfghi DOI - 0DE Ojkjo#Olmno7+epCqr stu#$v,a$H#$whxyz=B#$ C+2o6;{wh|}H45~ !"o7 (#$#++$%[,7}&<9