Equivalence between State-Space Stability Analysis and Generalized Nyquist Criterion with Frequency Dynamics Included

no code implementations • 31 May 2023 • Pablo Rodriguez-Ortega, Javier Roldan-Perez, Milan Prodanovic

Then, both methods are applied to a system based on a grid-forming and a grid-following converter.

Network-Reconfiguration-Aware Power Oscillation Damping Controller for Newly Commissioned Converter-Interfaced Power Plants

no code implementations • 13 Apr 2023 • Njegos Jankovic, Javier Roldan-Perez, Milan Prodanovic, Jon Are Suul, Salvatore D'Arco, Luis Rouco-Rodriguez

In recent years, transmission system operators have started requesting converter-interfaced generators (CIGs) to participate in grid services such as power oscillation damping (POD).

Centralised Multimode Power Oscillation Damping Controller for Photovoltaic Plants with Communication Delay Compensation

no code implementations • 13 Apr 2023 • Njegos Jankovic, Javier Roldan-Perez, Milan Prodanovic, Luis Rouco

In this paper, a centralised controller is proposed for the oscillation damping that uses a PV plant with all the realistic effects of communication channels taken into consideration.

Recursive Secondary Controller for Voltage Profile Improvement Based on Primary Virtual Admittance Control

no code implementations • 26 Oct 2022 • Dionysios Moutevelis, Javier Roldan-Perez, Njegos Jankovic, Milan Prodanovic

This paper proposes a recursive, virtual admittance based, secondary controller for DG units that improves the voltage profile in distribution networks.

Taxonomy of Power Converter Control Schemes based on the Complex Frequency Concept

no code implementations • 22 Sep 2022 • Dionysios Moutevelis, Javier Roldan-Perez, Milan Prodanovic, Federico Milano

This paper proposes a taxonomy of power converter control schemes based on the recently proposed concept of complex frequency.