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EMI Estimation for DC/AC Hard Switching Converter using Wiener Filter
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| Author(s) |
Piotr Musznicki, Jean-Luc Schanen, Pierre Granjon, Piotr J Chrzan |
| Abstract |
This paper describes how the use of a specific
signal processing method can help to estimate and understand
the Electromagnetic Interference (EMI) generation
of a switched mode power supply. This method allows to
estimate, from EMI measurements, the different transfer
functions between each source of disturbance and the disturbances
themselves. Thus, the EMI signals is decomposed
and combined with independent source of disturbances. This
method is based on the redefinition of the voltage source
inverter switching states, and on the Wiener filtering theory.
This new tool for fast EMI estimation and prediction is first
described, and its performance is illustrated on simulated
and measured data. |
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| Filename: | T8-302.pdf |
| Filesize: | 712.5 KB |
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| Type |
Members Only |
| Date |
Last modified 2007-03-08 by System |
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