Bidirectional DC Converter with Frequency Control: Analysis and Implementation

Bor-Ren Lin and Yen-Chieh Huang
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Bor-Ren Lin: Department of Electrical Engineering, National Yunlin University of Science and Technology, Yunlin 640, Taiwan
Yen-Chieh Huang: Department of Electrical Engineering, National Yunlin University of Science and Technology, Yunlin 640, Taiwan

Energies, 2018, vol. 11, issue 9, 1-15

Abstract: In this paper, a direct current (dc) converter with the abilities of bidirectional power transfer and soft switching characteristics is studied and implemented. The circuit schematic of the developed dc converter is built by a half-bridge converter and a center-tapped rectifier with synchronous rectifier. Under forward power transfer, a half-bridge circuit is controlled to regulate the low-voltage side at a stable value. For backward power transfer, a center-tapped rectifier with synchronous rectifier is regulated to control the high-voltage side at the desired voltage value, and the half-bridge circuit is operated as a voltage doubler rectifier. Active power devices are operated at zero-voltage switching using a series resonant technique on the high-voltage side with frequency modulation and inductive load operation. The practicability of the developed converter is established from experiments with a laboratory prototype circuit.

Keywords: dc–dc converter; bidirectional power control; soft switching (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2018
References: View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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