Stability of DC Distribution Systems

Analytical and Experimental Results

Conference Paper (2019)
Author(s)

N.H. van der Blij (TU Delft - DC systems, Energy conversion & Storage)

LM Ramirez Elizondo (TU Delft - DC systems, Energy conversion & Storage, TU Delft - Software Technology)

Matthijs T. J. Spaan (Zhejiang University, TU Delft - Algorithmics)

Wuhua Li (Zhejiang University)

Pavol Bauer (TU Delft - DC systems, Energy conversion & Storage)

Research Group
DC systems, Energy conversion & Storage
DOI related publication
https://doi.org/10.1109/ICDCM45535.2019.9232889
More Info
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Publication Year
2019
Language
English
Research Group
DC systems, Energy conversion & Storage
ISBN (electronic)
9781728134918

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.

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