Pre-charge method for isolated boost converter

Details Pre-charge method for isolated boost converter Pre-charge method for isolated boost converter

2008-04-22

2008-04-22

Vu, Bao Q. (Department: 2838)

Electricity: power supply or regulation systems

In shunt with source or load

Using choke and switch across source

C323S259000, C323S282000, C323S344000, C363S016000, C363S020000, C363S024000, C363S025000, C363S132000, C363S159000, C363S163000

Reexamination Certificate

active

11195855

ABSTRACT:
A boost control module operates semiconductor switches of a boost converter circuit in an avalanche mode to precharge a boost output capacitor. The boost control module comprises a switching module that complementarily transitions a first semiconductor switch and a second semiconductor switch between ON and OFF states when a current does not exceed a maximum current threshold. The switching module transitions the first semiconductor switch and the second semiconductor switch to the OFF state when the current exceeds the maximum current threshold. The switching module maintains the first semiconductor switch and the second semiconductor switch in the OFF state until at least one of the inductor current is less than or equal to a minimum current threshold.

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