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Compaq 204451-002 - UPS T2200 XR Configuration

Increasing energy efficiency with modular hp three-phase power distribution
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Increasing energy efficiency with modular HP three-phase
power distribution
technology brief
Abstract.............................................................................................................................................. 2
Introduction......................................................................................................................................... 2
Power distribution in data centers ...................................................................................................... 2
Concerns and trends in designing power infrastructures........................................................................ 3
Why three-phase power? .................................................................................................................. 4
Three-phase UPS technology ................................................................................................................. 5
UPS load considerations ................................................................................................................... 5
UPS topologies: single-conversion versus double-conversion .................................................................. 6
HP solution: high-efficiency three-phase UPSs....................................................................................... 7
Three-phase power distribution technology ............................................................................................. 8
Load balancing and monitoring ......................................................................................................... 8
Cable reduction ............................................................................................................................... 9
HP solutions: PDR and pre-configured distribution cables .................................................................... 10
Configuration examples...................................................................................................................... 11
High-density system using conventional cooling ................................................................................. 11
High-density system using chilled-water cooling ................................................................................. 12
Conclusion........................................................................................................................................ 13
For more information.......................................................................................................................... 14
Call to action .................................................................................................................................... 14

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Summary of Contents for Compaq 204451-002 - UPS T2200 XR

  • Page 1: Table Of Contents

    Increasing energy efficiency with modular HP three-phase power distribution technology brief Abstract.............................. 2 Introduction............................2 Power distribution in data centers ...................... 2 Concerns and trends in designing power infrastructures................ 3 Why three-phase power? ........................4 Three-phase UPS technology ......................... 5 UPS load considerations ........................

  • Page 2: Abstract

    Abstract The use of three-phase power distribution allows for simplifying hardware installation, achieving higher efficiency, and reducing energy costs. A comprehensive three-phase power infrastructure involves both rack-level (intra-rack) and row-level (inter-rack) solutions. This paper discusses the latest trends in zoned (end-of-row) power distribution and describes HP solutions that provide customers with a complete and efficient solution for three-phase power distribution.

  • Page 3: Concerns And Trends In Designing Power Infrastructures

    Figure 2 shows basic power distribution at the row level of a data center. The primary distribution components are the UPSs, the power distribution rack, and the power distribution cables. While this paper describes the UPSs as being in front of (feeding) the power distribution panels, alternate configurations are possible depending on data center needs.

  • Page 4: Why Three-Phase Power

    • Power density per rack: – Low density: less than 6 kilowatts per rack – Medium density: from 6 to 12 kilowatts per rack – High density: more than12 kilowatts per rack • Data center availability (Uptime Institute Tier Classifications) –...

  • Page 5: Three-Phase Ups Technology

    Three-phase UPS technology The main purpose of the UPS is to maximize the availability of IT equipment by providing a constant power source for IT equipment, regardless of the state of the AC power the UPS receives. UPS performance is determined by its design parameters and topology. UPS load considerations A UPS should be designed based on two main factors: the AC input feed, and the needs and characteristics of the active output load.

  • Page 6: Ups Topologies: Single-Conversion Versus Double-Conversion

    UPS topologies: single-conversion versus double-conversion The basic design of a UPS is referred to as its topology. Two common UPS topologies are single-conversion and double-conversion. A single-conversion UPS (Figure 4A) is a relatively simple design. In normal (offline) operation, a single-conversion UPS routes AC input voltage straight through to the output while charging the internal batteries.

  • Page 7: Hp Solution: High-Efficiency Three-Phase Upss

    HP solution: high-efficiency three-phase UPSs The HP R8000, R12000, and RP12000/3 (the latter shown in Figure 5) are three-phase UPSs that use a hybrid design combining the best features of single- Figure 5. HP RP12000/3 UPS conversion and double-conversion topologies. This double conversion-on-demand (DCOD) topology (Figure 6) offers the efficiency of a single-conversion UPS with the performance of a double-conversion...

  • Page 8: Three-Phase Power Distribution Technology

    Figure 7. Paralleling HP UPSs for maximum power and N+1 redundancy 12 kW HP RP12000 12 kW HP RP12000 Output Input 12 kW 60 kW HP RP12000 from Power AC mains Distribution 12 kW Rack HP RP12000 12 kW HP RP12000 12 kW HP RP12000 The HP three-phase UPS is contained in a 6U chassis.

  • Page 9: Cable Reduction

    Figure 8. Load balancing at the row level Equipment row 1 Rack Rack UPS Rack Rack 20 kVA 60+ kVA 20 kVA UPSs 20 kVA Equipment row 2 Mains Rack Rack UPS Rack Rack Rack 15 kVA 60+ kVA 15 kVA UPSs 15 kVA 15 kVA...

  • Page 10: Hp Solutions: Pdr And Pre-Configured Distribution Cables

    HP solutions: PDR and pre-configured distribution cables The HP Power Distribution Rack (Figure 10) consists of an HP 10000-series rack configured with two 400-amp, 42-pole distribution panels for a maximum of 84 output circuits. The HP Power Distribution Rack allows either top or bottom entry of AC feed cable and is designed for convection (non-forced) air cooling under full-load operation.

  • Page 11: Configuration Examples

    Table 2. Types of HP Power Distribution Cables Overall Conduit wire Description Receptacle type length (ft) length (ft) Metal-clad 3-wire split/single-phase NEMA L5-30R Metal-clad 3-wire split/single-phase NEMA L6-20R Same as Same as above above Metal-clad 3-wire split/single-phase NEMA L6-30R Same as Same as above above...

  • Page 12: High-Density System Using Chilled-Water Cooling

    Figure 12. High-density system with conventional cooling Power distribution racks rack rack From AC Mains Distribution cables High-density system using chilled-water cooling Figure 13 shows a high-density system of two 30-kW ITE racks powered from a UPS rack of parallel HP RP12000/3 UPSs to provide 60 kilowatts of power distributed through the HP PDR.

  • Page 13: Conclusion

    NOTE Each HP MCS is capable of cooling up to 35 kW of IT equipment. Two or more HP MCS racks with a maximum ITE load will require additional UPS support. Online utilities for calculating the power requirements for HP server products are available at the URLs provided in the section titled “For more information”...

  • Page 14: For More Information

    For more information For additional information, refer to the resources listed below. Resource Hyperlink HP rack and power product http://h18004.www1.hp.com/products/servers/platforms/rackan information dpower.html HP online Power Calculator for http://h30099.www3.hp.com/configurator/powercalcs.asp ProLiant servers HP Power Sizer utility www.hp.com/go/bladesystem/powercalculator Additional rack and power http://h18004.www1.hp.com/products/servers/technology/whit epapers/datacenter.html white papers Call to action...

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R6000 - ups - lead acid expandable

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