Stability of DC Distribution Systems: Analytical and Experimental Results

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Abstract

Constant power loads combined with low inertia form a major challenge for future distribution grids. This paper presents a state-space representation to model dc distribution systems. Two methods are discussed to analyze the (small-signal) stability of these dc distribution systems; an algebraic method and a Brayton-Moser method. The system models and the methods for stability analysis were verified using an experimental dc microgrid set-up. Furthermore, it was found that the instability of dc distribution systems can be classified into two categories: equilibrium instability and oscillatory instability.

Original languageEnglish
Title of host publication2019 IEEE 3rd International Conference on DC Microgrids, ICDCM 2019
PublisherIEEE
Number of pages6
ISBN (Electronic)9781728134918
DOIs
Publication statusPublished - 2019
Event3rd IEEE International Conference on DC Microgrids, ICDCM 2019 - Matsue, Japan
Duration: 20 May 201923 May 2019

Publication series

Name2019 IEEE 3rd International Conference on DC Microgrids, ICDCM 2019

Conference

Conference3rd IEEE International Conference on DC Microgrids, ICDCM 2019
Country/TerritoryJapan
CityMatsue
Period20/05/1923/05/19

Keywords

  • dc distribution
  • eigenvalues
  • sensitivity analysis
  • stability
  • state-space

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