Also from: NBPT
Avoids power interruption during supply source transfer on ground, for example, from external power to the APU. Does not operate for a tranfer from EXT A to EXT B. Inhibited in flight.
Done by frequency synchronisation between the sources. If synchronisation is not achieved in the required time, the transfer is performed anyway, without simultaneous connection of two sources.
Categories: Airbus A330 | Electrical System | ECMU
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