Multiple ancillary services provision by distributed energy resources in active distribution networks

O Stanojev, Y Guo, P Aristidou, G Hug - arXiv preprint arXiv:2202.09403, 2022 - arxiv.org
The electric power system is currently experiencing radical changes stemming from the
increasing share of renewable energy resources and the consequent decommissioning of …

Low-complexity decentralized algorithm for aggregate load control of thermostatic loads

SH Tindemans, G Strbac - IEEE Transactions on Industry …, 2020 - ieeexplore.ieee.org
Thermostatically controlled loads such as refrigerators are exceptionally suitable as a
flexible demand resource. This article derives a decentralized load control algorithm for …

[PDF][PDF] Asymmetric contributions to instantaneous reserve by generation, loads, and storage

J Heid, W Schittek, C Hachmann, M Braun - 2022 - kobra.uni-kassel.de
In the course of decarbonization, interconnected systems will have to be prepared for
recurring situations during which they are fed by mostly inverter-based generation. Today …

[HTML][HTML] Hierarchical coordination scheme for voltage-aware fast frequency provision with flexible loads

J Vorwerk, C Tajoli, G Hug - Electric Power Systems Research, 2024 - Elsevier
Fast-frequency reserve (FFR) is required to counteract the limited system damping in
renewable-rich power systems. Several distributed resources, such as batteries, PVs, and …

Comparing the damping capabilities of different fast-frequency controlled demand technologies

J Vorwerk, U Markovic, G Hug - 2021 IEEE Madrid PowerTech, 2021 - ieeexplore.ieee.org
Modern power systems require an additional supply of fast-frequency reserves to cope with
the reduction in overall system inertia and damping caused by the increasing share of …

[HTML][HTML] Quantifying the uncertainty imposed by inaccurate modeling of active distribution grids

J Vorwerk, U Markovic, P Aristidou, G Hug - Electric Power Systems …, 2022 - Elsevier
Replacing conventional generation with inverter-interfaced units has turned distribution
networks (DNs) from consumers to active and responding intelligent DNs. These modern …

Unsymmetrische Beiträge zur Momentanreserve durch Erzeugung, Verbrauch und Speicher

J Heid, W Schittek, C Hachmann, M Braun - 2022 - kobra.uni-kassel.de
Zusammenfassung Im Zuge der Dekarbonisierung müssen Verbundsysteme auf
wiederkehrende Situationen vorbereitet werden, während derer sie vor allem aus …

Fast demand response with variable speed thermal loads-Towards universal modeling for stability assessment

J Vorwerk, U Markovic, G Hug - 2021 North American Power …, 2021 - ieeexplore.ieee.org
Besides batteries and renewable generation, thermal loads have been suggested in the
literature as a potential solution to cope with the acceleration of power system dynamics …

Assessment of Demand Response Impact on the Frequency Stability of Low-Inertia Power Systems

R da Cunha Afonso, JAP Lopes - 2023 IEEE Belgrade …, 2023 - ieeexplore.ieee.org
This paper describes a study that sought to analyse the impact of an active demand
response on the frequency stability of the Iberian Peninsula for operation scenarios …

Data-driven modeling of heat pumps and thermal storage units for MPC

M Brandes, H Cai, J Vivian, L Croci… - Journal of Physics …, 2023 - iopscience.iop.org
Heat pumps can play a crucial role in the European energy strategy 2050, which aims to
achieve net-zero greenhouse gas emissions. When coupled with thermal energy storage …