Electrical transmission or interconnection systems – Plural supply circuits or sources – Substitute or emergency source
Reexamination Certificate
2011-05-24
2011-05-24
Fureman, Jared J (Department: 2836)
Electrical transmission or interconnection systems
Plural supply circuits or sources
Substitute or emergency source
Reexamination Certificate
active
07948118
ABSTRACT:
An uninterruptible power supply including at least one first input, a power supply output, a first converter which is shut down when operating in economic mode, a reversible second converter, a branching and/or selection circuit for connecting an input directly to the power supply output when operating in economic mode, and control units for use when operating with the input disconnected from the power supply output, and switching between some of the units to regulate the current at the input when operating in economic mode.
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Amrany Adi
Fureman Jared J
MGE UPS Systems
Steptoe & Johnson LLP
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