Regulated alternating current power supply

Details Regulated alternating current power supply Regulated alternating current power supply

2007-12-19

2009-08-18

Deberadinis, Robert L. (Department: 2836)

Electrical transmission or interconnection systems

Switching systems

Plural switches

Reexamination Certificate

active

07576450

ABSTRACT:
An exemplary regulated AC power supply comprising a three phase AC power source; a first switch having two input terminals arranged for receiving a first phase and a second phase of the three phase AC power source respectively, and an output terminal selectively connected to the input terminals for outputting a voltage of the first or the second phase; and a second switch having two input terminals arranged for receiving a third phase of the three phase AC power source and connected to the output terminal of the first switch respectively, and an output terminal selectively connected to the input terminals for outputting a voltages of the third phase or the voltage outputted by the first switch, wherein the first switch outputs the voltage of the first phase when it is provided, and the second switch outputs the voltage of the third phase when the it is provided.

REFERENCES:
patent: 3668512 (1972-06-01), Carey et al.

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