Loading [MathJax]/extensions/MathZoom.js
Grid-Forming Vector Current Control | IEEE Journals & Magazine | IEEE Xplore

Abstract:

In this article, a novel point of view on grid-forming control with current controlled power electronic converters is presented. A control concept based on the emulation ...Show More

Abstract:

In this article, a novel point of view on grid-forming control with current controlled power electronic converters is presented. A control concept based on the emulation of the combined effect of a virtual synchronous condenser and a parallel-connected virtual current source is proposed. It combines the positive effects of virtual synchronous generator control, such as the provision of inertia, voltage support, the possibility of islanded operation, and good control performance in weak grids, with the benefits of vector current control, such as fast current limitation, improved synchronization properties, and fast setpoint tracking. The proposed control concept is simply a modification of standard vector current control. Therefore, it can be implemented easily on all control platforms with minor software changes. The control method is verified with analytical models, time-domain simulations, and experimental results.
Published in: IEEE Transactions on Power Electronics ( Volume: 37, Issue: 11, November 2022)
Page(s): 13091 - 13106
Date of Publication: 26 May 2022

ISSN Information:


I. Introduction

The transmission and distribution grid is currently undergoing a transition where conventional synchronous generation is being displaced by converter-interfaced renewable energy resources. It has been shown in many studies that there is a risk of grid instability if the utility grid is equipped with a high amount of converter-interfaced energy resources that do not employ any grid supporting control strategy [1], [2].

References

References is not available for this document.