# US 2019/0356159 A1 · Rack-mounted ups device for data centers > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2019/0356159 A1 - Document ID: US20190356159A1 - Status: Published application - Kind: A1 - Application number: 16/404,127 - Filed: 2019-05-06 - Published: 2019-11-21 - Earliest claimed: 2016-11-07 - Applicants: ABB Schweiz AG - Inventors: Antonio Coccia; Esa-Kai Paatero - Web page: https://patentgrep.com/patent/US20190356159A1 ## CPC - H02J 9/061: {for DC powered loads} - H02J 9/062: {for AC powered loads} - G06F 1/18: Packaging or power distribution - G06F 1/263: {Arrangements for using multiple switchable power supplies, e.g. battery and AC (G06F1/30 takes precedence)} - H02M 7/003: {Constructional details, e.g. physical layout, assembly, wiring or busbar connections} - H05K 7/1492: {having electrical distribution arrangements, e.g. power supply or data communications} - Y02B 10/70: Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies - H02J: ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - H02M: APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF (transformers H01F; dynamo-electric converters H02K47/00; controlling transformers, reactors or choke coils, control or regulation of electric motors, generators or dynamo-electric converters H02P) - H05K: PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS - Y02B: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS ## 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. ## Claims ### Claim 1 A rack-mounted UPS device for power supply of a load comprising multiple data processing devices, which can be inserted as load enclosures into a common UPS rack, the rack-mounted UPS device comprising 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, the UPS rack comprises multiple insertion slots for receiving the load enclosures comprising the data processing devices, and the internal power distribution bus is provided for distribution of the load voltages between the enclosures. ### Claim 2 (depends on 1) The rack-mounted UPS device according to claim 1, wherein the load supply converter is provided as a converter block comprising multiple converter units, each of which providing at least one low level DC output voltage to the internal power distribution bus. ### Claim 3 (depends on 1) The rack-mounted UPS device according to claim 1, wherein the DC source comprises at least one energy storage device. ### Claim 4 (depends on 1) The rack-mounted UPS device according to claim 1, wherein the DC source comprises at least one uni-directional source out of a photovoltaic source, a fuel cell, or a rotary or inertia generator. ### Claim 5 (depends on 3) The rack-mounted UPS device according to claim 3, wherein the DC source comprises multiple energy storage devices and/or uni-directional sources, and the rack-mounted UPS device comprises multiple secondary converters, whereby the multiple secondary converters are connected in parallel between the multiple energy storage units and the high voltage DC bus. ### Claim 6 (depends on 1) The rack-mounted UPS device according to claim 1, wherein the at least one primary converter the at least one secondary converter, and the at least one load supply converter are arranged at least partially in at least one converter enclosure for insertion into a slot of the UPS rack, whereby the at least one primary converter, the at least one secondary converter, and the at least one load supply converter are electrically interconnected through the internal power distribution bus. ### Claim 7 (depends on 6) The rack-mounted UPS device according to claim 6, wherein one primary converter, one secondary converter, and one load supply converter are mounted in a common converter enclosure, which is mounted in the UPS rack. ### Claim 8 (depends on 6) The rack-mounted UPS device according to claim 6, wherein the at least one primary converter and the at least one secondary converter are arranged in at least one converter enclosure for insertion into a slot of the UPS rack, and the at least one load supply converter is arranged in at least one converter enclosure for insertion into an insertion slot of the UPS rack, whereby the converter enclosures are electrically interconnected through the internal power distribution bus. ### Claim 9 (depends on 1) The rack-mounted UPS device according to claim 1, wherein the internal power distribution bus includes multiple parallel bus connections for at least one voltage level, and the multiple parallel bus connections for one voltage level are electrically connected with at least one bus interconnection. ### Claim 10 (depends on 1) The rack-mounted UPS device according to claim 1, wherein at least one of the at least one primary converter, the at least one secondary converter, and the at least one load supply converter has an electrical interface for connection to the internal power distribution bus with at least one out of a set of standardized electrical configurations. ### Claim 11 (depends on 1) The rack-mounted UPS device according to claim 1, wherein the rack-mounted UPS device comprises at least one control unit controlling operation of the at least one primary converter, the at least one secondary converter, and the at least one load supply converter. ### Claim 12 (depends on 11) The rack-mounted UPS device according to claim 11, wherein the rack-mounted UPS device comprises a user interface for interaction of the at least one control unit controlling operation of the at least one primary converter, the at least one secondary converter, and the at least one load supply converter. ### Claim 13 (depends on 1) The rack-mounted UPS device according to claim 1, wherein the internal power distribution bus comprises parallel vertical bus bars running through the UPS rack to allow electrical connection of an enclosure at any insertion slot. ### Claim 14 (depends on 1) A rack-mounted UPS system for power supply of a load comprising multiple data processing devices, comprising multiple rack-mounted UPS devices according to claim 1, wherein the rack-mounted UPS system comprises an inter-rack communication bus for commonly controlling the at least one primary converter, the at least one secondary converter, and the at least one load supply converter of the multiple rack-mounted UPS devices. ### Claim 15 (depends on 14) The rack-mounted UPS system according to claim 14, wherein the multiple rack-mounted UPS devices are connected electrically in parallel by an external power distribution bus. ### Claim 16 (depends on 15) The rack-mounted UPS system according to claim 15, wherein the rack-mounted UPS system comprises multiple protection and/or disconnect devices, which connect the multiple rack-mounted UPS devices to the external power distribution bus. ### Claim 17 (depends on 2) The rack-mounted UPS device according to, claim 2, wherein the DC source comprises at least one energy storage device, in particular a battery, e.g. lead acid battery, a VRLA battery, or others, or ultracapacitors. ### Claim 18 (depends on 3) The rack-mounted UPS device according to, claim 3, wherein the at least one energy storage device is one of a battery, e.g. lead acid battery, a VRLA battery, or ultracapacitors. ### Claim 19 (depends on 4) The rack-mounted UPS device according to claim 4, wherein the at least one uni-directional source out of a photovoltaic source, a fuel cell, or a rotary or inertia generator is one of a wind mill, a turbine, or a fly wheel. ### Claim 20 (depends on 4) The rack-mounted UPS device according to claim 4, wherein the DC source comprises multiple energy storage devices and/or uni-directional sources, and the rack-mounted UPS device comprises multiple secondary converters, whereby the multiple secondary converters are connected in parallel between the multiple energy storage units and the high voltage DC bus.