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A Novel Current Loop for DSP-Based Power Factor Correction Circuits

This thesis mainly focuses on active power factor correction (PFC) circuit research. Based on DSP, a circuit with a digital controller is developed. Boost converter is used as the power stage. For power factor correction, the control law is realized with DSP and the control strategy of controller adopts the multi-loop method, i.e. voltage-loop and modified PI current-loop. Finally, compared with the circuit using the conventional PI control law, performances of the modified PI current-loop circuit are obviously optimized.

Identiferoai:union.ndltd.org:NSYSU/oai:NSYSU:etd-0717107-124640
Date17 July 2007
CreatorsChang, Yun-Hsiang
ContributorsI-Chih Kao, Jerome Chang, Geeng-Kwei Chang, Yung-Chun Wu, Tzuen-Lih Chern
PublisherNSYSU
Source SetsNSYSU Electronic Thesis and Dissertation Archive
LanguageCholon
Detected LanguageEnglish
Typetext
Formatapplication/pdf
Sourcehttp://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0717107-124640
Rightsnot_available, Copyright information available at source archive

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