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Comprehensive Review of Stability Criteria for DC Power Distribution Systems

Riccobono, Antonino ; Santi, Enrico

IEEE transactions on industry applications, 2014-09, Vol.50 (5), p.3525-3535 [Periódico revisado por pares]

New York: IEEE

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  • Título:
    Comprehensive Review of Stability Criteria for DC Power Distribution Systems
  • Autor: Riccobono, Antonino ; Santi, Enrico
  • Assuntos: Admittance ; Design specifications ; Equations ; Impedance ; Power distribution ; Power system stability ; Stability criteria ; Systems stability
  • É parte de: IEEE transactions on industry applications, 2014-09, Vol.50 (5), p.3525-3535
  • Descrição: Power-electronics-based dc power distribution systems, consisting of several interconnected feedback-controlled switching converters, suffer from potential degradation of stability and dynamic performance caused by negative incremental impedances due to the presence of constant power loads. For this reason, the stability analysis of these systems is a significant design consideration. This paper reviews all the major stability criteria for dc distribution systems that have been developed so far: the Middlebrook Criterion, the Gain Margin and Phase Margin Criterion, the Opposing Argument Criterion, the Energy Source Analysis Consortium (ESAC) Criterion, and the Three-Step Impedance Criterion. In particular, the paper discusses, for each criterion, the artificial conservativeness characteristics in the design of dc distribution systems, and the formulation of design specifications that ensure system stability. Moreover, the Passivity-Based Stability Criterion is discussed, which has been recently proposed as an alternative stability criterion. While all prior stability criteria are based on forbidden regions for the polar plot of the so-called minor loop gain, which is an impedance ratio, the proposed criterion is based on imposing passivity of the overall bus impedance. A meaningful simulation example is presented to illustrate the main characteristics of the reviewed stability criteria.
  • Editor: New York: IEEE
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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