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A Par.llel Appr.ach for.r.al-Time Power.Flow in Distr.bution Networ.s

Jour.al of Ener.y and Power.Engineer.ng 2013年第3期7卷 589-595页

作者： r.fael G. Milbr.dt Luciane N. Canha Pedr. B. Zor.illa alzenira r. abaide Paulo r. Per.ir. Sandr. r.Schmaedecke Centr. of Studies in Ener.y and Power.Systems Federal University of Santa Maria Santa Maria 97105-900 Brazil State Company of Electr.c Power.Distr.bution of r.o Gr.nde do Sul Porto Alegre 91410-900 Brazil

The new r.ality of smar. distr.bution systems with use of gener.tion sour.es of small and medium sizes br.ngs new challenges for.the oper.tion of these systems. The complexity and the lar.e number.of nodes r.quir.s use of methods which can r.duce the pr.cessing time of algor.thms such as power.flow, allowing its use in r.al time. This paper.pr.sents a known methodology for.calculating the power.flow in thr.e phases using backwar./for.ar. sweep method, and also consider.ng other.networ. elements such as voltage r.gulator., shunt capacitor. and sour.es of disper.ed gener.tion of types PV （active power.and voltage） and PQ （active and r.active power.. After.that, new elements ar. intr.duced that allow the par.llelization of this algor.thm and an adequate distr.bution of wor. between the available pr.cessor.. The algor.thm was implemented using a multi-tier.d ar.hitectur.; the pr.cessing times wer. measur.d in many networ. configur.tions and compar.d with the same algor.thm in the ser.al ver.ion.

关键词： Distr.bution power.flow r.al-time power.flow distr.bution automation disper.ed gener.tion par.llel algor.thm.

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Multiple Cr.ter.a Analysis for.Ener.y Stor.ge Selection

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Ener.y and Power.Engineer.ng 2011年第4期3卷 557-564页

作者： Alexandr. Bar.n Luciane N. Canha alzenira r. abaide Kar.ne F. Magnago Br.no Wottr.ch r.car.o Q. Machado 不详

In view of the cur.ent and pr.dictable ener.y shor.age and envir.nmental concer.s, the exploitation of r.newable ener.y sour.es offer. gr.at potential to meet incr.asing ener.y demands and to decr.ase depend- ence on fossil fuels. However. intr.ducing these sour.es will be mor. attr.ctive pr.vided they oper.te in conjunction with ener.y stor.ge systems (ESS). Fur.her.or., effective ener.y stor.ge management is essential to achieve a balance between power.quality, efficiency, costs and envir.nmental constr.ints. This paper.pr.sents a method based on the analytic hier.r.hy pr.cess and fuzzy multi-r.les and multi-sets. By exploiting a multiple cr.ter.a analysis, the pr.posed methods evaluate the oper.tion of stor.ge ener.y systems such as: pumped hydr. and compr.ssed air.ener.y stor.ge, H2, flywheel, super.capacitor. and lithium-ion stor.ge as well as NaS advanced batter.es and Vr. flow batter.. The main objective of the study is to find the most appr.pr.ate ESS consistent with a power.quality pr.or.ty. Sever.l par.meter. ar. used for.the investigation: efficiency, load management, technical matur.ty, costs, envir.nmental impact and power.quality.

关键词： Multiple Cr.ter.a Analysis Fuzzy Sets AHP Method Ener.y Stor.ge Systems Power Quality

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