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EnglishCharacterization of magnetic cores is an indispensable task in order to securely accomplish the requirements of a power electronic design and prevent failures. The hysteresis cycle of the material is one of the more complex features to characterize due to the well-known nonlinear and memory effects; moreover, there is a less known but noticeable dependence of the B−H relationship with time. This curve is easily obtained at low frequencies (up to 10 kHz) by means of a well-known traditional method. However, there is a major obstacle when trying to operate at higher frequencies in this manner due to the cost and difficulty of operation of high-frequency–high-voltage generators. In this paper, a new method for measuring hysteresis based on a quasisinusoidal generator that allows us to reach much higher values in frequency with a simple setup is presented.
| Autori interni: | ||
| Autori: | TELLINI B; R. GIANNETTI; G. ROBLES; S. LIZON-MARTINEZ | |
| Titolo: | New Method to Characterize Magnetic Hysteresis in Soft Ferrites up to High Frequencies | |
| Anno del prodotto: | 2006 | |
| Digital Object Identifier (DOI): | 10.1109/TIM.2005.861494 | |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
File in questo prodotto:
http://hdl.handle.net/11568/107452
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