Toshiba Isolated-Redundant UPS System User manual

ß Mix and Match Modular kVA Sizes

ß Mix and Match New and Existing

Modules

ß Modules Can be in Separate Rooms

ß Simple Maintenance Scheme without

Transfers to Utility Power

ß Sequential Installation and Startup

ß Extended Battery Backup Time

in Blackouts

ß Higher Operating Efﬁciencies and

Reliability

UNINTERRUPTIBLE POWER SYSTEMS

Isolated-Redundant

UPS Systems

ISOLATED-REDUNDANT UPS SYSTEMS

*UPSISOREDUNDNT051209*

UPS ADJUSTABLE SPEED DRIVES MOTORS CONTROLS INSTRUMENTATION PLC

INDUSTRIAL DIVISION

13131 West Little York Road, Houston, Texas 77041

Tel (713)466-0277 Fax (713)892-5212

US (800)231-1412 Canada (800)872-2192 Mexico 01(800)527-1204

www.tic.toshiba.com

Copyright 12/2005

Available Through:

Isolated-Redundant UPS Module

Oversized Redundant UPS Module

Toshiba’s Isolated Redundant UPS

System offers the ultimate in reliability,

maintainability and availability. This UPS

system delivers maximum design ﬂexibility

that is unmatched by any other conﬁgured

UPS design.

An isolated-redundant UPS system allows

the user to never have critical loads

exposed or fed from the utility source, even

during UPS module failures or UPS module

maintenance. The principal behind this

system is that the critical load is divided

into separated, isolated segments, which

means that the failure of one segment

cannot affect the other load segments.

Reliability is maximized and common-

mode failure is minimized!

Each load segment can be a single, modular

UPS system. If a UPS load segment failure

causes a transfer to static bypass, the

static bypass source is another standby

UPS system.

In isolated redundant systems, the

standby UPS system is always ready to

support the critical load since it is on-line

and keeps its own battery plant charged.

A key requirement of this system is

that the standby UPS system must accept a 100% step load with minimal transient voltage.

Toshiba’s design can handle 100% step load without using the batteries and marinating a less that

5% voltage distortion, making this UPS conﬁguration the right choice for many customers.

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