Modeling and stability analysis of multi-time scale DC microgrid

Nanfang Yang; Babak Nahid-Mobarakeh; Fei Gao; Damien Paire; Abdellatif Miraoui; Weiguo Liu

doi:10.1016/j.epsr.2016.04.014

Modeling and stability analysis of multi-time scale DC microgrid

Nanfang Yang, Babak Nahid-Mobarakeh, Fei Gao, Damien Paire, Abdellatif Miraoui, Weiguo Liu

School of Automation

Research output: Contribution to journal › Article › peer-review

34 Scopus citations

Abstract

The diverse dynamic characteristics of distributed generators (DGs) make the DC microgrid to be a multi-time scale system. This paper investigates the dynamic modeling of multi-time scale DC microgrid, and a reduced-order multi-scale model (RMM) is proposed to reduce the system model complexity as well as to conserve major time scale information. The DGs with similar time constants are grouped together to form an equivalent DG, the equivalent DGs are then combined to construct RMM. The effectiveness of the proposed RMM is verified by stability analysis, numerical simulations and experimental tests.

Original language	English
Pages (from-to)	906-916
Number of pages	11
Journal	Electric Power Systems Research
Volume	140
DOIs	https://doi.org/10.1016/j.epsr.2016.04.014
State	Published - 1 Nov 2016

Keywords

DC microgrid
Multi-time scale system
Stability analysis

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10.1016/j.epsr.2016.04.014

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abstract = "The diverse dynamic characteristics of distributed generators (DGs) make the DC microgrid to be a multi-time scale system. This paper investigates the dynamic modeling of multi-time scale DC microgrid, and a reduced-order multi-scale model (RMM) is proposed to reduce the system model complexity as well as to conserve major time scale information. The DGs with similar time constants are grouped together to form an equivalent DG, the equivalent DGs are then combined to construct RMM. The effectiveness of the proposed RMM is verified by stability analysis, numerical simulations and experimental tests.",

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AU - Nahid-Mobarakeh, Babak

AU - Gao, Fei

AU - Paire, Damien

AU - Miraoui, Abdellatif

AU - Liu, Weiguo

PY - 2016/11/1

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N2 - The diverse dynamic characteristics of distributed generators (DGs) make the DC microgrid to be a multi-time scale system. This paper investigates the dynamic modeling of multi-time scale DC microgrid, and a reduced-order multi-scale model (RMM) is proposed to reduce the system model complexity as well as to conserve major time scale information. The DGs with similar time constants are grouped together to form an equivalent DG, the equivalent DGs are then combined to construct RMM. The effectiveness of the proposed RMM is verified by stability analysis, numerical simulations and experimental tests.

AB - The diverse dynamic characteristics of distributed generators (DGs) make the DC microgrid to be a multi-time scale system. This paper investigates the dynamic modeling of multi-time scale DC microgrid, and a reduced-order multi-scale model (RMM) is proposed to reduce the system model complexity as well as to conserve major time scale information. The DGs with similar time constants are grouped together to form an equivalent DG, the equivalent DGs are then combined to construct RMM. The effectiveness of the proposed RMM is verified by stability analysis, numerical simulations and experimental tests.

KW - DC microgrid

KW - Multi-time scale system

KW - Stability analysis

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JO - Electric Power Systems Research

JF - Electric Power Systems Research

ER -

Modeling and stability analysis of multi-time scale DC microgrid

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Keywords

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