Eaton POWERWARE 9315 User Manual download pdf (Page 7)

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Advanced System Transfer Solutions

Powerware Hot Sync Redundant/Capacity configurations have

become even more important in the development of dual path

power distribution systems for critical data centers. As the quest

for higher levels of availability of protected power at the load

becomes more intense, each critical power path demands the

higher reliability of the Powerware product line gained by removing

cabling, connections, and components from the module topologies.

Powerware Hot-Tie™ Technology

Hot-Tie enables the user of a dual path UPS to transfer all the loads

of one distribution path from one UPS to the other in order to iso-

late the system for growth, maintenance, or repair. The Hot-Tie

circuit momentarily ties the two systems together and then opens

the isolation breaker in the desired path. Work can proceed on the

down system while the other UPS carries the total load. The critical

distribution paths to the load are not deactivated and Static Transfer

Switches are not required to change state. Hot-Tie technology cou-

pled with Powerware Hot Sync Technology provides the user with

even greater levels of redundancy and protection.

Powerware Sync Control Technology

Powerware Sync Control ensures that the output of two (or more)

separate UPS systems (single module or parallel systems) remain in

phase with one another so that Static Transfer Switches connected

between the separate distribution paths may change state seam-

lessly when necessary, or so that a Powerware Hot-Tie system may

be activated to transfer entire loads from one system to another.

Powerware Static Auto Tie

In order to make the semi-automatic Powerware Hot-Tie Technology

fully automatic so that full system load transfers can be made

autonomously, the Powerware Static Auto Tie (SAT) system was

developed. The Powerware SAT system adds a wrap-around static

switch to the tie breaker in the Powerware Hot-Tie system, and then

adds intelligent controls so that a power protection system made

up of two or more separate UPS systems can automatically transfer

entire loads in the event of traumatic, catastrophic failure of one

system…a rare but costly circumstance.

Generator

PDU

STS

Batteries

UPS

ATS

AUTO TIE

SISSIS

Static Switch

Auxiliary

Generator

Bus

SBM

Auto

Auto Tie Controls

ATS

TIE

Single PowerCord LoadsSingle PowerCord Loads

Utility Source A

Utility Source B

Auxiliary

Generator

Bus

Dual Power

Cord Loads

Fully Deployed - Static Auto Tie System

1 2 3 4 5 6 7 8 9 10 11 12 13 14

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Eaton POWERWARE 9315 User Manual Page 7

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