Primary DC power is obtained from which components?

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Multiple Choice

Primary DC power is obtained from which components?

Explanation:
The two DC power converters provide the primary DC power. They take input from the AC bus produced by the engine-driven generators and convert it to DC to feed the DC bus and charge the batteries. The APU generator and external power are backups or supplementary sources used when needed, but they aren’t the normal source for DC power during normal operations.

The two DC power converters provide the primary DC power. They take input from the AC bus produced by the engine-driven generators and convert it to DC to feed the DC bus and charge the batteries. The APU generator and external power are backups or supplementary sources used when needed, but they aren’t the normal source for DC power during normal operations.

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