Electrical System SGR
The AC and DC Standby Busses supply "essential" AC and DC power
with a loss of all generators.

  • The DC Standby Bus is normally powered by TR 1, TR 2 and TR 3.

  • The AC Standby Bus is normally powered by AC Transfer Bus 1.

  • The alternate sources of AC and DC power to the AC and DC
    Standby Busses are the Static Inverter, Battery Bus, Hot Battery
    Bus, Switched Hot Battery Bus and Battery.
Electrical System Overview

  • Generators ON
  • Bus Transfer switch in AUTO

AC Power
DC Power
Standby Power