Circuits and methods for balancing current among multiple loads

Details Circuits and methods for balancing current among multiple loads Circuits and methods for balancing current among multiple loads

2008-07-01

2011-11-15

Owens, Douglas W (Department: 2821)

Electric lamp and discharge devices: systems

Periodic switch in the supply circuit

Silicon controlled rectifier ignition

C315S210000, C315S220000, C315S255000, C315S291000, C315S312000

Reexamination Certificate

active

08058809

ABSTRACT:
A circuit comprises a power tank, a pair of transformers and multiple loads. The power tank converts a DC input voltage to an AC voltage. The pair of transformers comprise a pair of primary windings and a pair of secondary windings and transform the intermediate AC voltage to an output AC voltage. The pair of primary windings are coupled to the power tank for receiving the intermediate AC voltage, and the pair of secondary windings provide the output AC voltage. The loads are coupled to the pair of secondary windings for receiving the output AC voltage. The pair of secondary windings are serially coupled to each other through the series-coupled loads to achieve current balance among the loads.

REFERENCES:
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patent: 2007/0030109 (2007-02-01), Kohno
patent: 2008/0067944 (2008-03-01), Wang et al.
patent: 2008/0303449 (2008-12-01), Ashikaga

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