no code implementations • 15 Apr 2024 • Roger Domingo-Enrich, Xiuqiang He, Verena Häberle, Florian Dörfler
Complex droop control, alternatively known as dispatchable virtual oscillator control (dVOC), stands out for its unique capabilities in synchronization and voltage stabilization among existing control strategies for grid-forming converters.
no code implementations • 31 Jan 2024 • Verena Häberle, Xiuqiang He, Linbin Huang, Eduardo Prieto-Araujo, Florian Dörfler
In this paper, we propose a systematic closed-loop approach to provide optimal dynamic ancillary services with converter-interfaced generation systems based on local power grid perception.
no code implementations • 15 Oct 2023 • Xiuqiang He, Linbin Huang, Irina Subotić, Verena Häberle, Florian Dörfler
In this paper, we study analytically the transient stability of grid-connected distributed generation systems with grid-forming (GFM) complex droop control, also known as dispatchable virtual oscillator control (dVOC).
no code implementations • 2 Oct 2023 • Verena Häberle, Linbin Huang, Xiuqiang He, Eduardo Prieto-Araujo, Florian Dörfler
Namely, we translate the piece-wise linear time-domain curves for active and reactive power provision in response to a frequency and voltage step change into a desired rational parametric transfer function in the frequency domain, which defines a dynamic response behavior to be realized by the converter.
no code implementations • 2 Sep 2023 • Moritz Andrejewski, Verena Häberle, Nico Goldschmidt, Florian Dörfler, Horst Schulte
Recently, the concept of dynamic virtual power plants (DVPP) has been proposed to collectively provide desired dynamic ancillary services such as fast frequency and voltage control by a heterogeneous ensemble of distributed energy resources (DER).
no code implementations • 29 Apr 2023 • Verena Häberle, Linbin Huang, Xiuqiang He, Eduardo Prieto-Araujo, Roy S. Smith, Florian Dörfler
A fast and accurate grid impedance measurement of three-phase power systems is crucial for online assessment of power system stability and adaptive control of grid-connected converters.
no code implementations • 28 Oct 2022 • Xiuqiang He, Verena Häberle, Irina Subotić, Florian Dörfler
In previous work, the global stability of dVOC (i. e., complex droop control) has been proven by prespecifying a nominal synchronous steady state.
no code implementations • 29 Aug 2022 • Xiuqiang He, Verena Häberle, Florian Dörfler
In this paper, we study phase-amplitude multivariable dynamics in converter-based power systems from a complex-frequency perspective.
no code implementations • 4 Feb 2022 • Verena Häberle, Ali Tayyebi, Xiuqiang He, Eduardo Prieto-Araujo, Florian Dörfler
We present a novel grid-forming control design approach for dynamic virtual power plants (DVPP).
1 code implementation • 2 Aug 2021 • Verena Häberle, Michael W. Fisher, Eduardo Prieto-Araujo, Florian Dörfler
Our control approach relies on an adaptive divide-and-conquer strategy: first, we disaggregate the desired frequency and voltage control specifications of the aggregate DVPP via adaptive dynamic participation matrices (ADPMs) to obtain the desired local behavior for each device.
