A Unified Control Design of Three Phase Inverters Suitable for Both Grid‐Forming and Following Modes of Operation

Aravind Ingalalli; Ali Ihsan Aygun; Sukumar Kamalasadan

doi:10.1049/rpg2.70043

journal article Open Access Jan 01, 2025

A Unified Control Design of Three Phase Inverters Suitable for Both Grid‐Forming and Following Modes of Operation

Aravind Ingalalli Ali Ihsan Aygun

Sukumar Kamalasadan

IET Renewable Power Generation Vol. 19 No. 1 · Institution of Engineering and Technology (IET)

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Abstract

ABSTRACT
The primary cascaded control loops and the phase‐locked loop (PLL) can enable voltage source inverter operation in grid‐forming and grid‐following mode. This article proposes a unified control for such inverters with current control, voltage control, and power control loops, including the PLL impact on ‐ transformations as the building blocks. Small‐signal‐based linearization techniques are adopted to achieve the resultant linear time‐invariant model. Moreover, a systematic definition of the unified controller is proposed to ensure the easy portability of the controller code in a model‐driven development set‐up. Model verification and experimental results of a 5 kW inverter set‐up approve the efficacy of the proposed design approach.

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Details

Published: Jan 01, 2025
Vol/Issue: 19(1)
License: View

Authors

A

Aravind Ingalalli

The University of North Carolina at Charlotte Charlotte North Carolina USA

Duzce Turkey

The University of North Carolina at Charlotte Charlotte North Carolina USA

Funding

National Science Foundation Award: ECCS‐181017

Duke Energy

Cite This Article

Aravind Ingalalli, Ali Ihsan Aygun, Sukumar Kamalasadan (2025). A Unified Control Design of Three Phase Inverters Suitable for Both Grid‐Forming and Following Modes of Operation. IET Renewable Power Generation, 19(1). https://doi.org/10.1049/rpg2.70043

A Unified Control Design of Three Phase Inverters Suitable for Both Grid‐Forming and Following Modes of Operation

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