Two-stage power supply system

Details Two-stage power supply system Two-stage power supply system

2011-08-23

2011-08-23

Fureman, Jared J (Department: 2836)

Electrical transmission or interconnection systems

Plural supply circuits or sources

Substitute or emergency source

Reexamination Certificate

active

08004114

ABSTRACT:
A two-stage power supply system includes a standby power circuit, a main power circuit, a driver and, a rectifier. Moreover, the standby power circuit is used to convert a utility AC (Alternating Current; AC) into a standby AC. The main power circuit is used to convert the utility AC into a main AC. Furthermore, the driver is coupled to the main power circuit so as to control whether or not the main power circuit outputs the main AC to the rectifier. Finally, the rectifier is coupled to the standby power circuit, the main power circuit, and a load, wherein the rectifier rectifies the standby AC alone for outputting a standby DC (Direct Current; DC) to the load, or rectifies an integrated AC of the standby AC and the main AC for outputting a supply DC to the load.

REFERENCES:
patent: 7669066 (2010-02-01), Sakakibara et al.

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