An Adaptive droop Curve for the Superimposed Frequency Method in DC Microgrids

Mohammad Jafari, Saeed Peyghami, Hossein Mokhtari, Frede Blaabjerg

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Abstract

This paper proposes a new adaptive droop curve to ensure the stability of the superimposed frequency method (SFM) for the control of DC Microgrids. SFM has a remarkable accuracy in load-sharing and voltage regulations among different control strategies of DC microgrids. However, this method suffers from some levels of instability in terms of the load variations. This is due to (i) location of the system dominant poles; which is really sensitive to the variations of the system loading, and (ii) limitations in the transferred reactive power; which is used to regulate source DC voltages. Therefore, a new strategy based on an adaptive droop curve is presented in this paper to keep the system dominant poles in an acceptable area and its performance is verified using different simulation studies in MATLAB/SIMULINK environment.
OriginalsprogEngelsk
TitelProceedings of the 2020 IEEE 21st Workshop on Control and Modeling for Power Electronics (COMPEL)
Antal sider6
ForlagIEEE
Publikationsdato2020
Sider1-6
ISBN (Trykt)978-1-7281-7161-6
ISBN (Elektronisk)978-1-7281-7160-9
DOI
StatusUdgivet - 2020
Begivenhed21th IEEE Workshop on Control and Modeling for Power Electronics, COMPEL 2020 - Aalborg, Danmark
Varighed: 9 nov. 202012 nov. 2020

Konference

Konference21th IEEE Workshop on Control and Modeling for Power Electronics, COMPEL 2020
Land/OmrådeDanmark
ByAalborg
Periode09/11/202012/11/2020
NavnIEEE Workshop on Control and Modeling for Power Electronics (COMPEL)
ISSN1093-5142

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