Emerson 30-130 kVA Manuel D’Utilisation
20 Configuring Your Neutral and Ground Connections
Figure 10 Grounding Diagram, R/S or X/Y UPS Models, 1+1 Configuration
7.7
Grounding for R/S or X/Y UPS Models, 1+1 Configuration
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R/S or X/Y CONFIGURATION
3W+G
3W+G
4W+G
4W+G
SYSTEM PARALLELING CABINET
G
N
3W+G
3W+G
R/S or X/Y CONFIGURATION
3W+G ONLY
CRITICAL
LOAD
Y
N
G
Y
N
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LOCAL
GROUNDING
ELECTRODE