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5 Cards in this Set
- Front
- Back
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Backup battery |
A 24 volt DC 5 amp lead acid battery which provides stabilized power for the GCU's protective function in case of a short circuit or near zero system voltage. |
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Engine generator |
28 volt DC 400 amps |
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When can the APU starter generator supply electrical power? |
7 seconds after the APU accelerates through 95% rpm |
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What is a primary function of the central DC bus? |
Connect the APU generator or GPU to the load buses through the bus tie contactors. |
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What is the secondary function of the central DC bus? |
The central DC bus also provides bus interconnections in case of asymmetrical configuration such as generator failures or engine shutdown. |
