Figure 8.6 LBS system (parallel system )
N o. Descriptio n
1 Bypass
2 Rectifier
3 UPS1
4 UPS4
5 Q1
6 Q2
7 Q3
8 Q5
9 Parallel cable
10 LBS
11 STS
12 To load
N O T E: In a dual-bus system , the tw o UPS system s m ust have the sam e voltage an d frequency, and
the load should not exceed the pow er rating of a U P S m odule system .
8 Parallel System and LBS System
138
Vertiv™ Liebert® APM Plus User Manual
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