Figure 16 through Figure 20 illustrate how the Monitor/Mimic Display screens on the SCC and on a module depict the power flow through the UPS system.

A three module system designed for redundant operation is shown. A multi-module UPS system may include up to six (6) modules for each System Control Cabinet (SCC).

Figure 16 Monitor/Mimic Display Screen Examples: Normal Power Flow, SCC (above) and Module

BYPASS INPUT A-B B-C C-A 480V 480V 480V

60.0 Hz

UPS INPUT PWR A-B B-C C-A 480V 480V 480V

MOD 1 ON LINE MOD 2 ON LINE MOD 3 ON LINE

UPS RATINGS

SCCB 1600

OUTPUT VOLTAGE

A-B B-C C-A 480V 480V 480V 60.0 Hz

OK to Transfer

Static Switch Connected

LOAD

627 KVA / 502 KW

A B C 755A 755A 755A

3 OF 3 MODULES

CONNECTED REDUNDANT

LOAD

270 KVA / 217 KW

UPS INPUT PWR A-B B-C C-A 480V 480V 480V 350A 350A 350A

BATTERY

VOLTS 540 AMPS 15 CHARG

UPS RATINGS

AP648-84

RATED 400 KVA OUTPUT VOLTAGE A-B B-C C-A 480V 480V 480V 60.0 Hz

A B C 410A 410A 410A

Operation 35

DISCONTINUED

PRODUCT

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Image 41
Liebert Series 600T manual MOD 1 on Line MOD 2 on Line MOD 3 on Line UPS Ratings