2016
DOI: 10.15446/ing.investig.v36n2.53773
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Optimal under voltage load shedding based on voltage stability index

Abstract: This paper presents a methodology for under voltage load shedding using a metaheuristic optimization technique and a stability criterion. Two strategies are proposed to find the minimal size and location of load to shed for the recovery of normal operation conditions. The first one is based on a classical criterion for the under voltage load shedding, identifying the load to disconnect by considering bus voltage level; the second includes a simplified voltage stability index SVSI, which identifies critical bus… Show more

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Cited by 2 publications
(3 citation statements)
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“…The second point belongs to the section of the diagram where disturbances or voltage drops are shown i.e., just at the moment where the voltage in the bus begins to decay, that is, in the range where voltage drop occurs. Finally, the third point is obtained when the system starts to stabilize, and the voltage values are within the normal operating range 19 . The procedure is described with the following steps.…”
Section: Load Model Methodologymentioning
confidence: 99%
See 1 more Smart Citation
“…The second point belongs to the section of the diagram where disturbances or voltage drops are shown i.e., just at the moment where the voltage in the bus begins to decay, that is, in the range where voltage drop occurs. Finally, the third point is obtained when the system starts to stabilize, and the voltage values are within the normal operating range 19 . The procedure is described with the following steps.…”
Section: Load Model Methodologymentioning
confidence: 99%
“…Simulations are done in the DigSILENT PowerFactory Simulator (PF). Static and dynamic models of each substation are calculated and used as inputs for the PF tool’s power flow analysis simulations so that conclusions about system stability can be drawn 18 , 19 .…”
Section: Introductionmentioning
confidence: 99%
“…The undervoltage scheme is outlined since appears the conclusive protective line in opposition to voltage instability that established on the decision of load shedding according to the voltage measure data. Under voltage load shedding approach is presented and settled with the help of particle swarm optimization (PSO) algorithm [2]. The voltage stability criterion represents the objective purpose of problem in order to orientate the evolution process of algorithms for measuring the sum of loads that to be shed and offer the improvement in losses reduction and voltage values of buses (voltage profile) for electrical power system.…”
Section: Introductionmentioning
confidence: 99%