Modelling and stability analysis for a variable speed DC tidal/wind turbines with MPPT in low voltage DC microgrid

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Nassar, Walid and Anaya-Lara, Olimpo; (2022) Modelling and stability analysis for a variable speed DC tidal/wind turbines with MPPT in low voltage DC microgrid. In: 2021 International Conference on Advanced Electrical Equipment and Reliable Operation (AEERO). IEEE, CHN. ISBN 9781665402644 (https://doi.org/10.1109/AEERO52475.2021.9708391)

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Abstract

DC Microgrid is a new candidate for Multi-Purpose Platforms (MPP) which highly supported by the international community for sustainably exploiting our oceans. Considering DC-systems for the MPP requires all renewable energy sources to be interfaced to a DC-bus. Wind turbines as proven developed energy for offshore use is a crucial energy source for MPP. Normally, a wind turbine in a DC-environment uses a diode rectifier for interfacing to the grid and a DC-DC boost or buck converter for extracting maximum power. Previous studies included wind turbine in a DC-microgrid did not analyze the turbine stability with wind variations. Moreover, tidal turbines, as an immature technology, are rarely considered in such DC-systems. So, this paper provides a modelling and stability analysis for a wind/tidal turbines based Permanent Magnet Synchronous Generator (PMSG). A linearized small-signal model is derived for a wind/tidal turbines based PMSG and boost converter. Two control loops are used for speed and current control. Stability analysis shows that the controller can effectively keep the system stable under wind/tidal speed variations. Simulation analysis is carried out to shows the effectiveness of the controller at various speeds considering tidal and wind turbines.

ORCID iDs

Nassar, Walid and Anaya-Lara, Olimpo ORCID logoORCID: https://orcid.org/0000-0001-5250-5877;
  • Item type:Book Section
    ID code:79654
    Dates:
    Date
    Event
    16 February 2022
    Published
    15 October 2021
    Published Online
    11 June 2021
    Accepted
    Notes:© 2021 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
    Subjects:Technology > Electrical engineering. Electronics Nuclear engineering
    Department:Faculty of Engineering > Electronic and Electrical Engineering
    Depositing user: Pure Administrator
    Date deposited:17 Feb 2022 14:39
    Last modified:11 Nov 2024 15:27
    URI:https://strathprints.strath.ac.uk/id/eprint/79654
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