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Sneak circuit analysis method based on generalized connection matrix for power converters

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4 Author(s)
Lili Qu ; Coll. of Electron. Power, South China Univ. of Technol., Guangzhou ; Bo Zhang ; Dongyuan Qiu ; Wenjuan Tu

Sneak circuit is a latent circuit path that causes undesired function to occur at some certain conditions. In this paper, by established directed graph of power converter, a generalized connection matrix was proposed to find out all of the switching paths. Then based on path criterions to eliminate the false paths, a new sneak circuit analysis method for power converters was given. The method was used to identify the sneak circuits of the 3-stage step-up resonant switched capacitor (RSC) converter. The analysis and experiment results showed that the proposed analysis method was validity.

Published in:

Electrical Machines and Systems, 2008. ICEMS 2008. International Conference on

Date of Conference:

17-20 Oct. 2008