Fast‐scale bifurcation in power‐factor‐correction buck‐boost converters and effects of incompatible periodicities | Zendy

Zou Jianlong | Zendy; Ma Xikui | Zendy; Tse Chi K. | Zendy; Dai Dong | Zendy

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Fast‐scale bifurcation in power‐factor‐correction buck‐boost converters and effects of incompatible periodicities

Author(s) -

Zou Jianlong,

Ma Xikui,

Tse Chi K.,

Dai Dong

Publication year - 2006

Publication title -

international journal of circuit theory and applications

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.364

H-Index - 52

eISSN - 1097-007X

pISSN - 0098-9886

DOI - 10.1002/cta.334

Subject(s) - bifurcation , instability , converters , control theory (sociology) , bifurcation diagram , power factor , physics , power (physics) , line (geometry) , voltage , buck converter , scale (ratio) , mathematics , mechanics , computer science , geometry , nonlinear system , control (management) , quantum mechanics , artificial intelligence

In this paper, we derive the discrete‐time model for the power‐factor‐correction (PFC) buck‐boost converter in terms of a stroboscopic switching map. Fast‐scale instability is analysed through a fold diagram, which exposes the periodicity of the operation as well as the locations of the critical phase angles of the line voltage at which instability begins to occur along a half‐line cycle. The asymmetrical locations of the critical phase angles along a half‐line cycle is explained in terms of ‘under‐developed’ bifurcation. Border collision bifurcations are observed and analysed in detail. Copyright © 2006 John Wiley & Sons, Ltd.

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