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Variable frequency switching in power supply EMI-control: an overview

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1 Author(s)
Kuisma, M. ; Dept. of Electr. Eng., Lappeenranta Univ. of Technol., Finland

Spreading the signal spectrum is a widely used technique in telecommunication applications. Variable-frequency and spread spectrum modulation methods can also be utilized in power electronic applications to improve electro-magnetic compatibility (EMC). This paper gives an overview to variable-frequency techniques in power electronics with experimental results.

Published in:

Aerospace and Electronic Systems Magazine, IEEE  (Volume:18 ,  Issue: 12 )