Patent ID: 8373306
Filing Date: 2013-02-12
Classification: H02J

Abstract:
1. An uninterruptible power supply (UPS) system comprising: a battery subsystem including a plurality of batteries for generating electrical power; a UPS subsystem including a plurality of UPS power modules; at least one first bus system coupling the battery subsystem to the UPS subsystem to supply electrical power to the UPS subsystem; an input and output (I/O) subsystem in communication with an output of the UPS subsystem for generating an output signal; at least one second bus system for coupling the output of the UPS subsystem to the I/O subsystem; and wherein at least the first bus system includes a pair of parallel coupled, independent busses; and wherein the first bus system further includes first and second tie bars for enabling the pair of busses to be selectively reconfigured relative to the UPS power modules; and further such that selective use of the first and second tie bars enables: