Patent ID: 7492057
Filing Date: 2009-02-17
Classification: H02J

Abstract:
1. A high reliability DC power distribution system, comprising: a first AC power source; a second, emergency AC power source; at least one AC to DC converter operationally connected to said first and second AC power sources and operationally connected to provide power to a DC collector bus; at least one DC energy storage system operationally connected to said DC collector bus, wherein said DC energy storage system provides sufficient ride-through power to said DC collector bus upon loss of said first AC power source to enable said second, emergency AC power source to come on line; and a busway comprising not less than four bus bars, in pairs, said busway being independent of said DC collector bus and operationally connected to said DC collector bus and having a plurality of power drops directly to equipment or to equipment racks having DC-to-DC power converters connected thereto,