Inverter-based voltage control of distribution networks : a three-level coordinated method and power hardware-in-the-loop validation

Wang, Yu and Syed, Mazheruddin H. and Guillo-Sansano, Efren and Xu, Yan and Burt, Graeme M. (2019) Inverter-based voltage control of distribution networks : a three-level coordinated method and power hardware-in-the-loop validation. IEEE Transactions on Sustainable Energy. ISSN 1949-3037 (https://doi.org/10.1109/TSTE.2019.2957010)

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Abstract

The reactive power of the photovoltaic (PV) inverters has great potential for voltage regulation of distribution networks. In this paper, a new three-level coordinated control method for PV inverters is proposed to address network voltage fluctuation and violation issues. In Level I, a ramp-rate control is designed to smooth the network voltage fluctuations, while in Level II, a droop control is designed to alleviate the network voltage deviations. If the local compensation provided by Level I and II is not enough to regulate the network voltages within the required limits, the Level III control based on dynamic average consensus can respond and share the reactive power requirement among other inverters in a distributed way. The proposed control method can smooth the voltage profiles, restrain the voltage rise/drop problem, and coordinate all PV inverters in real-time when there is no feasible local solution. The stability analysis of the proposed three-level coordinated control for network voltage regulation is provided. The power hardware-in-the-loop (PHIL) experiment has been conducted for validating the proposed control method under various scenarios.

ORCID iDs

Wang, Yu, Syed, Mazheruddin H. ORCID logoORCID: https://orcid.org/0000-0003-3147-0817, Guillo-Sansano, Efren ORCID logoORCID: https://orcid.org/0000-0002-2773-4157, Xu, Yan and Burt, Graeme M. ORCID logoORCID: https://orcid.org/0000-0002-0315-5919;
  • Item type:Article
    ID code:70691
    Dates:
    Date
    Event
    2 December 2019
    Published
    2 December 2019
    Published Online
    28 November 2019
    Accepted
    Notes:© 2019 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:05 Dec 2019 09:28
    Last modified:20 Nov 2024 01:18
    URI:https://strathprints.strath.ac.uk/id/eprint/70691
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