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On the singularities in higher order resonant converters

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1 Author(s)
Chin Chang ; Philips Res.-USA, Briarcliff Manor, NY, USA

In this correspondence, the singularities in higher order (n ≥ 3) LC resonant converters are examined based on circuit theory. It is shown that the system A-matrix for odd order LC resonant converters (neglecting all the parasitic resistances) is always singular. As a consequence, all the third order LC resonant converters in dc-dc power supply applications can be described and solved via a second order differential equation. A simple closed-form solution can then be obtained.

Published in:

Aerospace and Electronic Systems, IEEE Transactions on  (Volume:38 ,  Issue: 4 )