A simple control algorithm to avoid flux density bias in isolated full-bridge topologies

Lijun Hang*, Xiaoyuan Hong, Josep M. Guerrero, Zhengyu Lu, Weizhong Fang

*Kontaktforfatter

Publikation: Konferencebidrag uden forlag/tidsskriftPaper uden forlag/tidsskriftForskningpeer review

1 Citationer (Scopus)

Abstrakt

Isolated full-bridge topologies are used in some industrial applications due to its characteristic of cost-effective and high power density. However, the transformer used for isolation in such topologies can be easily saturated. In this paper, a control algorithm to suppress flux density bias in the transformer is proposed. The algorithm can be easily implemented into a low cost DSP. Details of the practical implementation of the proposed algorithm are shown. An example of application over a 3 kW single-stage power factor corrector is presented. The experimental results illustrate the feasibility of the proposed digital control solution.
OriginalsprogEngelsk
Publikationsdato1 dec. 2009
Antal sider4
DOI
StatusUdgivet - 1 dec. 2009
Udgivet eksterntJa
Begivenhed35th Annual Conference of the IEEE Industrial Electronics Society, IECON 2009 - Porto, Portugal
Varighed: 3 nov. 20095 nov. 2009

Konference

Konference35th Annual Conference of the IEEE Industrial Electronics Society, IECON 2009
LandPortugal
ByPorto
Periode03/11/200905/11/2009
SponsorThe Institute of Electrical and Electronics Engineers (IEEE), IEEE Industrial Electronics Society (IES), Society of Instrument and Control Engineers (SICE-Japan), University of Porto, NOVA University Lisbon

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