Model predictive control for three-phase split-source inverter-based virtual synchronous generator

Walaa M. Abou-Hussein, Sherif. M. Dabour, Mostafa S. Hamad, Essam M. Rashad

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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Abstract

Realizing local voltage regulation and power-sharing of an islanded AC microgrid can be achieved by conventional control that employs outer-loop droop control and inner-loop cascaded linear control. However, it has limited dynamic response, complex structure, and a rapid rate of change of frequency. In addition, the use of two-stage DC-DC-AC converters for interfacing the renewable energy sources and the microgrid reduces the system efficiency. The split-source inverter (SSI) introduces an alternative single-stage solution for the DC-DC-AC conversion. This paper proposes a virtual synchronous generator (VSG) control algorithm based on model predictive control (MPC) for a three-phase SSI. A finite-set MPC (FS-MPC) is employed to achieve a simple control structure, fast dynamic response, higher stability, and improved current limitation in the inner control loop. A VSG control algorithm without a phase-locked loop is utilized in this paper to achieve active-power-sharing and inertia emulation in the outer control loop. The analysis and modeling of the proposed technique are presented in detail. The simulation results verified the merits of the analysis and the theoretical finding.
Original languageEnglish
Title of host publication2021 22nd International Middle East Power Systems Conference (MEPCON)
PublisherIEEE
Pages648-653
Number of pages6
ISBN (Electronic)9781665419987
ISBN (Print)9781665419994
DOIs
Publication statusPublished - 2 Feb 2022
EventThe 22nd International Middle-East Power Systems Conference: MEPCON 2021 - Assiut University, Assiut, Egypt
Duration: 14 Dec 202116 Dec 2021

Conference

ConferenceThe 22nd International Middle-East Power Systems Conference: MEPCON 2021
Abbreviated titleMEPCON 2021
Country/TerritoryEgypt
CityAssiut
Period14/12/2116/12/21

Keywords

  • simulation
  • microgrids
  • power system stability
  • boosting
  • synchronous generators
  • inverters
  • stability analysis
  • predictive control
  • split-source inverter
  • virtual synchronous generator

ASJC Scopus subject areas

  • Control and Optimization
  • Safety, Risk, Reliability and Quality
  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering
  • Computer Networks and Communications
  • Renewable Energy, Sustainability and the Environment

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