Patent ID: 8138625
Filing Date: 2012-03-20
Classification: G06F,H01H,H02J

Abstract:
1. A dual line automatic transfer switch (ATS) adapted to provide power to a plurality of power supply units (PSUs) configured in an N+1 architecture, comprising: a first switch structure connected to a first PSU of the plurality of PSUs, and operable between a first position connecting a first input line of the dual line to the first PSU and a second position connecting a second input line of the dual line to the first PSU; a second switch structure connected to at least one additional PSU of the plurality of PSUs, and operable between a third position connecting the first input line to the at least one additional PSU and a fourth position connecting the second input line to the at least one additional PSU; and a third switch structure connected to at least one of the first and second switch structures, wherein the third switch structure is operable to direct power from the at least one of the first and second switch structures to the plurality of PSUs in a load balancing operation,