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The simulation of transmission and distribution grids comes with a trade-off between the number of modeled components and the modeling depth on the one hand and the simulation speed on the other hand. An example system of a grid converter of a 2 MW full scale converter system is used to show a step-by-step model order reduction. Starting from a detailed switched model the order reduction is shown...
Oscillations in power electronic circuits with fast switching semiconductors are commonly known and the corresponding parasitic elements have been investigated in multiple literature. However, this paper investigates the triggering of these electromagnetic interference (EMI)-critical oscillations. An analytical description is derived using a boost converter circuit. Based on this description an optimization...
The most critical part of the induction machines which determines on their life time operation are rolling element bearings. To ensure reliable drive with an induction machine requires deep insight in electro-mechanical dynamics during its operation. The flexible multibody modeling technique enables the simulation of dynamic loads on all drive components. This paper focuses on complex dynamic modeling...
In this paper the method for managing a line topology and estimating the topological parameter (length of bridge taps and direct line) are investigated. The method will be evaluated in a simulation environment. With the method and system for managing a line topology and related apparatus it is possible to provide a PLC system with information about network and line quality for performing quick diagnosis,...
Electrothermal design and optimization of motor drive systems for automotive electric drivetrain applications requires simulation methods to handle large differences in timescale and component modelling across multiple physical domains. This paper presents an approach based on model-reduction and co-simulation techniques using commercially available finite element method (FEM) and circuit/system simulation...
This contribution presents developments and trend for the structure of new simulation systems, or for extensions of existing simulation systems, in order to handle structural-dynamics systems in an adequate manner. The paper first introduces the CSSL standard for continuous system simulation and its consequences. In the following, discrete elements in continuous modelling and simulation; in more detail...
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