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← TechnologyWhich risk increases when an aircraft's power circuit providing essential flight control system power fails due to excessive harmonic distortion?
A)Decreased generator operational lifespan
B)Loss of synchronisation in alternators
C)Increased static inverter instability✓
D)Compromised air data integrity
💡 Explanation
Instability increases because harmonic distortion causes the static inverter's voltage regulation circuit to malfunction. The total harmonic distortion creates incorrect feedback, therefore, the inverter may fail to adequately supply power, rather than only impairing generator life.
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