Analysis and elimination of voltage imbalance between the split capacitors in half-bridge boost rectifiers
Yu-Kang Lo
Tzu-Herng Song
Huang-Jen Chiu
Dept. of Electron. Eng., Nat. Taiwan Univ. of Sci. & Technol., Taipei;
This paper appears in: Industrial Electronics, IEEE Transactions on
Publication Date: Oct 2002
Volume: 49,
Issue: 5
On page(s): 1175- 1177
ISSN: 0278-0046
INSPEC Accession Number: 7413712
Digital Object Identifier: 10.1109/TIE.2002.803243
Current Version Published: 2002-11-07
Abstract
The voltage imbalance between the split capacitors in a halfbridge boost rectifier is reviewed in this letter. It can be proven that the optimal compensation strategy is to add only a DC component in the source current. The adverse effects of the imbalance elimination control loop to the input power factor are studied. The analytical results are verified through experiments.
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