Figure 6-1
Typical Power Distribution Scheme
NORMAL SERVICE
NORMAL SYSTEM
ATS
NORMAL SYSTEM
EMERGENCY SYSTEM
UPS
ISOLATION
PDU
NORMAL
ELECTRONIC
EMERGENCY
CRITICAL
SYSTEM
EQUIPMENT
SYSTEM
TECHNICAL
SYSTEM
SYSTEM
183
ELECTRICAL
ENGINEERING
6.5
Distribution System Alternatives
Revised March 2005 PBS-P100
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