离散粒子群与内点法结合的电力系统无功优化 a hybrid strategy based on dpso and ipm for optimal reactive power flow.pdfVIP
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离散粒子群与内点法结合的电力系统无功优化 a hybrid strategy based on dpso and ipm for optimal reactive power flow
第38卷第3期 No.3
电力系统保护与控镧、,b1.38
1111生!旦!旦 旦2111墨z!!!翌!12111堕2望塑!竺旦翌堕旦! 里!坠:!:!!!!
离散粒子群与内点法结合的电力系统无功优化
姚煜,蔡燕春
(广东电网公司广州供电局,广东广州510620)
摘要:基于离散粒子群优化算法与内点法,提出了一种新颖的混合策略来求解电力系统无功优化问题:不考虑无功优
化中的离散约束,采用内点法求解得到初始解;根据优化变量的不同性质将无功优化问题分解为离散优化和连续优
化2个子问题,并采用离散粒子群优化算法和内点法交替求解,使两者的优化结果互为基础、相互利用,从而保证
法的正确性和有效性。
关键词:电力系统;无功优化;混合整数规划;内点法;离散粒子群算法
A basedonDPSOandIPMfor reactiveflow
hybridstrategy optimal power
YAO Yah—churl
Yu,CAI
Power 51
(Guangzhou Bureau,Guangzhou0620,China)
Supply
adiscrete swarm all
interior forthe
Abstract:Byintegratingparticle algorithm(DPSO)withpointmethod(IPM),ahybridstrategy
reactive iS 0RPF isconvenedtoacontinuousnon-linear
optimal powerflow(ORPF)problemproposed.First,theoriginal problem
thediscretevariables-andtheinitialsolufioniSobtainedtheIPM.Then tothe
programmingproblembyrelaxing by according
discretefeatureofthecontrol ORPF iS
variables,the intoacontinUOus anda
original problemdecomposed optimizationsub-problem
discrete a托solvedIPMandDPSO thetwo
optimizationsub-problem,whichby respectively.Bysolving sub—problemsalternatelyt
the solutionoftheORPF panbeobtained.IPMandGAtake ofeachother,SOthatthe ofthe
optimal problem advantage efficiency
is numericalofIEEEand to
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