Modeling of photovoltaic grid connected generation system based on three level NPC converter

Arcos-Pardo, Francisco Javier and Monroy-Morales, José Luis and Hernández-Ángeles, Máximo and Campos-Gaona, David; (2018) Modeling of photovoltaic grid connected generation system based on three level NPC converter. In: 2017 IEEE International Autumn Meeting on Power, Electronics and Computing, ROPEC 2017. Institute of Electrical and Electronics Engineers Inc., MEX. ISBN 978-1-5386-0820-3 (https://doi.org/10.1109/ROPEC.2017.8261642)

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Abstract

Renewable energy sources have been increasing and developing continuously in the last years, due to advantages over conventional generation sources. Photovoltaic (PV) systems generate electricity from sunlight without creating any air or water pollution and in a clean, quiet and reliable way. The efficiency and performance of PV systems are still under development. As a consequence, the control structures of the PV system grid-connected are a fundamental part for its proper functioning. In this paper, a grid connected photovoltaic system based on a three-phase three-level neutral point clamped (NPC) inverter is presented. The proposed system describes in detail each stage along with the suited controllers, which operate in a proper and efficient way. In addition, the Perturbation and Observation (P&O) algorithm to get the maximum power point tracking (MPPT) of the PV system under different irradiation conditions, is proposed. In order to maximize the PV system power, a three-phase three-level NPC converter is used to achieve higher power levels, lower voltage stress on devices, lower switching frequency and reduce harmonic content. In addition, d-q reference frames are used to decouple the active and reactive power controllers. Simulations to validate the proposed procedures of the complete system are presented.

  • Item type:Book Section
    ID code:64690
    Dates:
    Date
    Event
    16 January 2018
    Published
    4 September 2017
    Accepted
    Notes:© 2018 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:04 Jul 2018 14:31
    Last modified:09 Apr 2024 07:59
    Related URLs:
    URI:https://strathprints.strath.ac.uk/id/eprint/64690
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