Modeling induction machines for EMC-Analysis

EMC-analysis of power electronic systems is strongly supported by network simulations. Simulations at the system level provide not only the prediction of EMI but also deep insight into the EMC relevant effects. To model the system properly, it is necessary to model source and target of EMI and also all parts of the coupling paths. EMI-filters can be designed efficiently using network based modeling approaches. In this paper a model for induction machines' EMC behaviour simulation is parameterized in the frequency range from some kHz up to 100 MHz. The high-frequency characteristics of induction machines with power ratings from 370 W up to 45 kW are compared and a model library is set up for both, frequency and time domain.

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