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200-10,000 Amp, -48VDC Lorain Power System Data Sheet

Marconi’s next generation power platform

Integrated Power, Distribution, Control, and Monitoring

total) along with 2400 amps of distribu-tion. Adding additional bays createslarger plants, up to 10,000 amps.

ApplicationThe LPS48E1 is ideal for use in centraloffice, switch site, MSO, and datacenter applications. The LPS48E1works in both centralized and distrib-uted architecture plant layouts and issuitable for any -48VDC applicationwith 3-Phase commercial AC service.

DescriptionThe Lorain® Power System (LPS)utilizes a highly integrated revolutionarydesign to pack unparalleled capacityand features into a small footprint.

The LPS48E1 is a -48VDC digitalpower plant that operates with 200amp Power Conversion Units (PCUs)powered from 480VAC. Each bayprovides power conversion and distri-bution — up to ten PCUs (2000 amps

Key Features

Single frame design providespower conversion, distribution,control and monitoring in asmall footprint

Patented, laminated internalbus work improves AC andDC cable routing options

Modular distribution designincludes built-in automaticmonitoring for all distributiondevices

Integrated DC bus eliminatescostly overhead busses andeases plant expansion

Integrated LMS1000 designfeatures a distributed I/O arch-itecture, an internet port andweb page to simplify moni-toring of external equipment

Controller backplane acceptsplug-in alarm cards and LMSI/O cards

Optional integrated AC PowerDistribution Service Cabinet(PDSC) for protected bulk ACservice feeds

TCP/IP, SNMP, Ethernet, mo-dem, and RS232 compatible

Supports distributed and bulkplant architectures

LPS48E1 Power System

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Power Conversion UnitThe heart of this system is theLPS200E50 PCU. A true three-phasethree-wire rectifier, the unit operates at0.998 power factor with less than 5%THD. It can deliver 110% of ratedcurrent up to 40°C, and a reducedamount up to 80°C by virtue of itsthermal current limit feature. Designedfor positive ground applications, thenormal output voltage ranges from 47to 58 volts, with a test voltageadjustable down to 45 volts.

AC service is wired internally to eachPCU. A horizontal terminal strip islocated on the left top of the bay. Anoptional Power Distribution ServiceCabinet (PDSC) bolted to the left sideof the bay facilitates bulk wiring in oneor two AC branch circuit applicationsper bay.

DistributionDistribution is divided into two rows,top and bottom. Each row has aflexible design that accommodates anycombination of breakers and fuses, upto a 1200 amp maximum. There canbe up to 24 (3-100A) breakers/fuses orup to 12 (100-800A) devices, or anycombination. Each frame can supportup to 24 (1-100A) fuses or breakers orup to 12 (600A) fuses per frame. Thispatented unique design allows totalflexibility to configure each frame perrequired device without costly kits andrestrictive panels.

MonitoringDistribution elements of 100 amps andgreater include a monitoring shunt andcontrol and alarm (MCA) panel. TheMCA consists of a multi-line vacuumfluorescent display, plus a removableCPU and alarm cards located in a shelfbelow the distribution. The shelf isdual-purpose and accepts an LMSCPU for modem and Ethernet access,plus LMS I/O cards for other moni-toring points. As a system, the MCAcontrols the steady state outputvoltage to within 0.05% of any setting,

LPS48E1, -48VDC, 10,000A Modular Power Plant

from no load to full load. The MCA alsouses a patented algorithm to balancethe PCU output currents to within 1%of their rated current.

Additional Information For additional specification, engineeringinstallation information, specify582140000 (power system) and486532600 (200 amp PCUs).

For ordering information, requestSAG582140000.

200-10,000 Amp, -48VDC Lorain Power System Data Sheet

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200-10,000 Amp, -48VDC Lorain Power System Data Sheet

System Specifications

Operating Ambient Temperature Range: 0°C to +40°C (+32°F to +104°F).

Storage Ambient Temperature Range: -40°C to +65°C (-40°F to +149°F).

Output Capacity: 10,000A per System,2000A per bay (Rectifiers), 2400A per bay (Distribution)

Primary/Secondary Frame Dimensions: 24"W x 30"D x 84"H

Frame Weight: 830 lbs. Per Frame (less PCUs)

PDSC Dimensions: 10"W x 30"D x 84"H

PDSC Weight: 190 lbs.

Safety: UL Listed (UL1801)

Power Conversion Unit Specifications

Input

Voltage: 408-528VAC (direct 3 Phase input)

Current: 17.6A @ 480VAC nominal line

Inrush: Not to exceed 6 time RMS input current at full load

Frequency: 47-63 Hz.

Protection: Fused (internally)

Power Factor: >0.97 at nominal line, full load

Harmonic Content: <5% THD

Operating Efficiency: 92% at _ load (nominal input voltage)

Output

Voltage: 42VDC – 60VDC

Current: 2000A per bay (Power Conversion)

2400A per bay (Distribution)

6000A Inter-bay Bus

10,000A per System / 10 frame max.

Regulation: + 0.05% at output terminals

Altitude: 0-10,000 feet (derated from 3000-10,000 feet)

Ventilation: Forced air, front-to-back

EMI/RFI Suppression: Compliant to FCC Part 15, Subpart B, Class A

Audible Noise: 65 dBA (full load operation)

Protection

Current limiting: 110% (Digitally controlled)

Status/Alarm Indicators and Monitoring

LEDs (Green, Amber, Red)

10-segment LED output display (current)

Physical Characteristics

Mounting: Frame mounted, 2 set screw secured, safety catch release

PCU Dimensions: 3.5"H x 22"W x 20"D

PCU Weight: 42 lbs. (17.7 kg.)

Safety Compliance: UL Recognized (1950), CSA 22.2 (cUL)

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200-10,000 Amp, -48VDC Lorain Power System Data Sheet

Outside Plant, Power & Services1122 F StreetLorain, Ohio 44052Phone: 440-246-6999Fax: 440-246-4876http://www.marconi.com/opps

© Marconi Corporation, plc 2003. All rights reserved.

This publication is issued to provide outline information only which (unless agreed by Marconi Corporation, plc in writing) may not be used, applied or reproduced for any purpose or form partof any order or contract or be regarded as a representation relating to the products or services concerned. Marconi Corporation, plc reserves the right to alter without notice the specification,design or conditions of supply of any product or service.

Marconi and the Marconi logo are trademarks of Marconi Corporation plc. Vortex® and Lorain® are trademarks of Marconi.

Printed in USA


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