Patent ID: 9166410
Filing Date: 2015-10-20
Classification: H02J,Y02E,Y04S

Abstract:
1. A system that provides alternating current (AC) line balancing, comprising: a three-phase power source including a first AC line that provides a first phase current, a second AC line that provides a second phase current, and a third AC line that provides a third phase current; the first, second and third AC lines coupled to a first set of loads that are critical loads that are continuously powered loads for which the AC lines are not switched; a first transfer switch that is only coupled to the first AC line and the second AC line; a second transfer switch that is only coupled to the second AC line and the third AC line; a third transfer switch that is only coupled to the first AC line and the third AC line; the first, second, and third transfer switches are coupled to a second set of loads that are non-critical loads for which the AC lines may be switched, wherein the first second, and third transfer switches couple the first, second, and third AC lines to the second set of loads; a monitoring component that detects the first phase current, the second phase current and the third phase current provided by the first, second and third AC lines to the first and second sets of loads, and identifies a particular AC line from the first, second and third AC lines that provides a highest level of current to the first and second sets of loads; and a control component that configures at least one transfer switch of the first, second, or third transfer switches to couple an AC line other than the particular AC line to the second set of loads.