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Auflistung Fakultät für Elektrotechnik und Informatik nach Autor/in

Auflistung Fakultät für Elektrotechnik und Informatik nach Autor/in "570a43ac-f4b7-4303-9cf1-229550dbbb4b"

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Ability of Black-Box Optimisation to Efficiently Perform Simulation Studies in Power Engineering

Peters, Lukas; Kutzner, Rüdiger; Schäfer, Marc; Hofmann, Lutz (Warsaw : Sciendo, 2023)

In this study, the potential of the so-called black-box optimisation (BBO) to increase the efficiency of simulation studies in power engineering is evaluated. Three algorithms ("Multilevel Coordinate Search"(MCS) and "Stable ...
Analysis of Onshore Synthetic Inertia and Primary Control Reserve Contributions of Alternating Current-Side Meshed Offshore Grids with Voltage-Source Converter and Diode Rectifier Unit High-Voltage Direct Current Connections

Herrmann, Michael; Alkemper, Merlin; Hofmann, Lutz (Basel : MDPI, 2023)

The increasing use of renewable energy sources in place of conventional generation units is leading to a reduction in onshore inertia and to the development of offshore wind park grids connected by multiple high-voltage ...
A Combined RMS Simulation Model for DFIG-Based and FSC-Based Wind Turbines and Its Initialization

Goudarzi, Farshid; Hofmann, Lutz (Basel : MDPI, 2021)

Reconstructable dynamic simulation models of modern variable-speed wind turbines (WTs), which are integrable into any simulation software, are crucial to the scientists investigating the contribution of WTs to counteracting ...
Efficient modeling of DFIG- and FSC-based wind turbines for frequency stability analysis

Goudarzi, Farshid; Reus, Lucas; Hofmann, Lutz (Wien [u.a.] : Springer, 2023)

The contribution of wind turbines (WTs) to enhance the frequency stability of power systems is traditionally analyzed using commonly applied root mean square (RMS) models. RMS WT models require smaller simulation time steps ...
Integrating power plants with a full-scale converter into the superposition method for short circuit current calculations

Schäkel, Nils; Hofmann, Lutz (Wien [u.a.] : Springer, 2021)

This article presents an expansion of the superposition method for short circuit current calculations to take the voltage-dependent fault ride through behavior of power plants with a full-scale converter into account. ...
Linear Optimization Based Distribution Grid Flexibility Aggregation Augmented With OLTC Operational Flexibilities

Majumdar, Neelotpal; Sarstedt, Marcel; Klub, Leonard; Hofmann, Lutz (New York, NY : IEEE, 2022)

Ancillary services e.g., voltage control, congestion management and frequency control, require to be compensated increasingly from the Distributed Energy Resources (DERs). DERs are predominantly wind and photo-voltaic power ...
Monetarization of the Feasible Operation Region of Active Distribution Grids Based on a Cost-Optimal Flexibility Disaggregation

Sarstedt, Marcel; Hofmann, Lutz (New York, NY : IEEE, 2022)

Hierarchical grid control strategies are an appropriate design concept for the coordination of future transmission system operator (TSO) and distribution system operator (DSO) interactions. Hierarchical approaches are based ...
Survey and Comparison of Optimization-Based Aggregation Methods for the Determination of the Flexibility Potentials at Vertical System Interconnections

Sarstedt, Marcel; Kluß, Leonard; Gerster, Johannes; Meldau, Tobias; Hofmann, Lutz (Basel : MDPI, 2021)

The aggregation of operational active and reactive power flexibilities as the feasible operation region (FOR) is a main component of a hierarchical multi-voltage-level grid control as well as the cooperation of transmission ...

Auflistung Fakultät für Elektrotechnik und Informatik nach Autor/in "570a43ac-f4b7-4303-9cf1-229550dbbb4b"

Auflistung Fakultät für Elektrotechnik und Informatik nach Autor/in "570a43ac-f4b7-4303-9cf1-229550dbbb4b"

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