公开(公告)号：US20190356159A1

公开(公告)日：2019-11-21

申请号：US16404127

申请日：2019-05-06

Applicant: ABB Schweiz AG

Inventor： Antonio Coccia ,  Esa-Kai Paatero

IPC: H02J9/06 ,  H05K7/14 ,  H02M7/00

Abstract: The present application provides a rack-mounted UPS device for power supply of a load including multiple data processing devices, which can be inserted as load enclosures into a common UPS rack, the rack-mounted UPS device including at least one primary converter, which is connected between an AC source and a high voltage DC bus, whereby the primary converter is configured to operate in boost mode providing high voltage DC power output to the high voltage DC bus, at least one secondary converter, which is connected between a DC source and the high voltage DC bus, whereby the secondary converter is configured to operate in boost mode providing high voltage DC power output to the high voltage DC bus, at least one load supply converter, which is connected between the high voltage DC bus and an internal power distribution bus to provide at least one low level DC output voltage to the internal power distribution bus, whereby the at least one primary converter, the at least one secondary converter, and the at least one load supply converter are mounted in the UPS rack, and the UPS rack includes multiple insertion slots for receiving the load enclosures comprising the data processing devices.