Lucent Technologies Galaxy Power System 4848/100
Issue 5 June 2000 AC Input Panels 5 - 1
5 AC Input Panels
Overview
AC Service The ac input panel provides the facility to terminate the 3-phase ac
service to the GPS 4848/100. Depending upon the option ordered, the
panel will connect 3-wire delta or 3-wire wye service to provide the
phase-to-phase ac voltage required for the rectifiers.
In some systems, circuit breakers are provided in the AC Input Panel to
protect the conductors providing ac service to the individual rectifiers.
In other systems, the circuit breakers protecting these conductors are
located in the building’s ac service panel. In either case, conductors to
each rectifier are protected by a dedicated circuit breaker.
Note: All wire sizes were based on the US National Electric Code.
Illustrations Circuit breaker panels are shown in Figures 5-1 through 5-3; the
terminal strip panel is shown in Figure 5-4.
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