Split-boost circuit having imbalance protection circuitry

Details Split-boost circuit having imbalance protection circuitry Split-boost circuit having imbalance protection circuitry

1996-06-21

1997-11-18

Krishnan, Aditya

Electric power conversion systems

Current conversion

Including automatic or integral protection means

H05B 3702

Patent

active

056894104

ABSTRACT:
A rectifier architecture with a split boost circuit having protection circuitry for protecting circuit elements of the split boost. The split boost includes a voltage input terminal, an inductor, two voltage output terminals, a boost diode and branches A and B. Each branch A and B, includes: a switch, a protection circuit, and a capacitor. In a preferred embodiment, the protection circuit is a parallel resistor-diode pair coupled between the capacitor and the switch. The purpose of the protection circuit is to limit circulating current between capacitors when switches in branches A and B are active.

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Farrington, R.W. et al., "A Boost Topology With Two Outputs For Power Factor Correction Application," Patent Application Ser. No. 08/344309, Filed Nov. 22, 1994.
Farrington, R.W. et al., "A High Efficiency Boost Topology With Two Outputs," Patent Application Ser. No. 08/756738, Filed Nov. 26, 1996.
Jiang, Y. et al., "Three-Level Boost Converter for and Its Application in Single-Phase Power Factor Correction," 1994 VPEC Seminar Proceedings, at Virginia Tech, Sep. 11, 1994, pp. 127-133.

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