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Analiza porównawcza dławików w zastosowaniach energoelektronicznych - własności częstotliwościowe

Kowalczewski Marek, Mysiński Wojciech

Wiadomości Elektrotechniczne

2019

R. 87, nr 2

4--8

Przedstawiono porównanie parametrów dławików kolumnowych i toroidalnych oraz dławików toroidalnych z różnymi uzwojeniami, a także analizę wpływu konstrukcji na parametry częstotliwościowe

In this paper a comparison is presented of the parameters of column-like chokes and toroidal ones as well as a comparison of toroidal chokes featuring different windings. Furthermore, an analysis is provided of the impact of the design of a choke on frequency properties

Comparison between thermal simulation results generated by PLECS software and laboratory measurements

Mysiński Wojciech, Sysło Bartłomiej

Poznan University of Technology Academic Journals. Electrical Engineering

2019

No. 99

29--40

This article deals with the subject of simulation of power losses and thermal processes occurring in semiconductors, as illustrated by an example of a DC/DC buck converter. The simulations were performed in PLECS software. The results obtained from the program were compared with measurement results of a laboratory converter model. The physical model is based on the same components as assumed in the simulation. Similarly, the parameters of the transistor control signal were the same. During operation of the converter, the temperature changes were analyzed using a K-type thermocouple. Based on the obtained results of the temperature measurement in the steady state of the converter operation, the correctness of the simulation carried out in the PLECS program was verified and confirmed.