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System Description
2.0SYSTEM DESCRIPTION
2.1Compatibility
The Liebert
2.2Redundancy Design
During normal operation with parallel connection of three Liebert
2.3Maintenance Bypass
When the UPS system must be completely shut down, maintenance bypass allows the parallel POD to work in the normal operation without interrupting power to the load. As shown in Figure 1, the Lie- bert
Figure 1 Paralleling system block diagram
Utility
Branch Breaker
Terminal Block
of POD
(Main Input )
Input Breaker
Input Breaker
Input Breaker
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Output Breaker | Output Breaker | Output Breaker |
Parallel Signal
Board
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| Terminal Block |
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| of POD |
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| O/P Breaker |
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Load
4