Chapter 7 Parallel System And LBS System 107
Liebert EXM 80kVA ~ 200kVA UPS User Manual
LBS
Rectifier
Bypass
Q1
Q2 Q3
To load
STS
Q5
Q5
Rectifier
Bypass
Q1
Q2 Q3
Note: Q1, Q2 and Q5 are optional while Q3 is standard
Figure 7-5 LBS system (UPS module)
LBS
Rectifier
Bypass
Q1
Q2 Q3
UPS 1
UPS 4
Q5
Q1
Q2 Q3
Q5
cable
To load
STS
Rectifier
Parallel
Rectifier
Bypass
Q1
Q2 Q3
UPS 1
UPS 4
Q5
Q1
Q2 Q3
Q5
cable
Rectifier
Parallel
Note: Q1, Q2 and Q5 are optional while Q3 is standard
Figure 7-6 LBS system (parallel system)
Note
In a dual-bus system, the two UPS systems must have the same power rating, voltage and frequency, and the load
should not exceed the power rating of a UPS module system.
7.4.2
External Protective Device
Refer to
3.1.9 External Protective Device
.
Summary of Contents for EXM 0080kTK16FN01000
Page 2: ......
Page 14: ......
Page 132: ...118 Chapter 8 Options Liebert EXM 80kVA 200kVA UPS User Manual...