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Model Predictive Control of Dual-Mode Energy-Stored Quasi-Z-Source Photovoltaic System

  • Oak Ridge National Laboratory
  • Beihang University

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

The energy-stored quasi-Z-source inverter (ES-qZSI) has attracted much attention for photovoltaic (PV) power generations, due to its capability to stabilize the PV power fluctuations and other advantages of Z-source inverter. Traditional ES-qZSI suffers from poor operation at night or cloudy days when PV power is extremely low. In order to overcome that, this paper proposes a model predictive control (MPC) strategy for an improved dual-mode ES-qZSI, which is designed to support all-weather operation of PV power generation system. The system predictive models in both day and night operating modes are derived. And the control strategy based on MPC is disclosed to ensure the high-performance operation of the system. Simulation is carried out on PV power fluctuation in daytime and switching between the two modes, to verify the effectiveness of proposed control strategy.

Original languageEnglish
Title of host publication3rd International Conference on Smart Grid and Renewable Energy, SGRE 2022 - Proceedings
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781665479080
DOIs
StatePublished - 2022
Event3rd International Conference on Smart Grid and Renewable Energy, SGRE 2022 - Doha, Qatar
Duration: 20 Mar 202222 Mar 2022

Publication series

Name3rd International Conference on Smart Grid and Renewable Energy, SGRE 2022 - Proceedings

Conference

Conference3rd International Conference on Smart Grid and Renewable Energy, SGRE 2022
Country/TerritoryQatar
CityDoha
Period20/03/2222/03/22

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 7 - Affordable and Clean Energy
    SDG 7 Affordable and Clean Energy

Keywords

  • Energy storage
  • Model predictive control
  • Photovoltaic power systems
  • quasi-Z-source inverter

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