Hybrid uninterruptible power supply system

Details Hybrid uninterruptible power supply system Hybrid uninterruptible power supply system

2008-04-22

2008-04-22

Sherry, Michael (Department: 2836)

Electrical transmission or interconnection systems

Plural supply circuits or sources

Diverse or unlike electrical characteristics

C307S073000

Reexamination Certificate

active

11440533

ABSTRACT:
An apparatus, system, and method for supplying an uninterruptible power source to a dual power device capable of being alternately powered through either a primary power input connected to a primary power source or a secondary power input connected to a secondary power source is provided. One implementation includes a power input for receiving AC from the primary power source, one or more converter elements operative to receive the AC from the power source, to convert the AC to DC, and to deliver the DC to a power storage element. The apparatus also includes a power storage element that stores at least a portion of the DC delivered from the converter elements. The power stored in the power storage elements is delivered to the secondary power input of the dual power device when the primary power source is disconnected from the dual power device. The apparatus may further include a control circuit for disconnecting the power storage elements from the secondary power input and from the converter elements in response to detecting thermal runaway in the power storage elements.

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