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Powerware 9395 UPS and Plus 1 UPS 650825 kVA User Manual

Page 118

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UNDERSTANDING UPS OPERATION

EATON Powerware

®

9395 UPS (650–825 kVA) Installation and Operation Manual

S 164201725 Rev 2 www.powerware.com

6−6

Static

Switch

K5

Rectifier

Inverter

K1

K3

Battery

Converter

Battery

Battery
Breaker

Main Power Flow

Trickle Current

Energized

De−Energized

Closed

Open

Breakers

Contactors

K2

Bypass

Breaker

(CB4)

Bypass Input

Rectifier
Input

Output

Input

Breaker

(CB1

NOTE On an UPS configured as an IOM, the bypass input, static switch, bypass breaker (CB4), and K5 are not present.

Figure 6-4. Path of Current Through the UPS in Battery Mode