Design Guidelines for Stable DC Distribution Systems

van der Blij, Nils; Ramírez-Elizondo, L.; Bauera, Pavol; Spaan, MTJ

Design Guidelines for Stable DC Distribution Systems

Conference paper (2017)

Authors

Nils van der Blij DC systems, Energy conversion & Storage -

L. Ramírez-Elizondo DC systems, Energy conversion & Storage -

Pavol Bauera DC systems, Energy conversion & Storage -

MTJ Spaan Algorithmics -

Research Group

DC systems, Energy conversion & Storage () (TU Delft)

Stability Microgrid Equilibrium Steady-state Power grids Distribution networks Stability analysis Dc distribution Guidelines Dynamic stability Impedance Guidelines Capacitors Power system stability Circuit stability Mathematical analysis Power system dynamic stability Constant power loads Dc distribution grids Linearized model Low inertia loads Stable DC distribution systems Static stability

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http://resolver.tudelft.nl/uuid:2984076c-ee3d-4228-aa1a-fc3ffbbdc970

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Published Date

2017

Language

English

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Faculty

Electrical Engineering, Mathematics and Computer Science

Department

Electrical Sustainable Energy

Research Group

DC systems, Energy conversion & Storage

Abstract

Due to low inertia and constant power loads, stability is a major issue for dc distribution grids. Previous research focuses mostly on the (mathematical) analysis of the stability, but does not provide any guidelines to ensure stability. This paper presents four guidelines that ensure the existence of an appropriate equilibrium and stability around that equilibrium. From a linearized model of the dc distribution grid the location of the equilibrium and the stability of the system are derived. Subsequently, guidelines for the existence and propriety of the equilibrium, and the static and dynamic stability around that equilibrium are developed. Furthermore, the accuracy of these guidelines is determined. Additionally, possible applications of the guidelines are discussed.

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