What voltage does the standby inverter provide to essential loads?

Unlock all questions

This demo includes only 20 questions. Upgrade to access hundreds of questions, flashcards, exam simulations, and disable ads.

Full question bankExam simulationsFlashcards
From $9.99Unlock all

Study for the ERJ-145 Electrical Test. Gain knowledge with quizzes featuring flashcards and multiple choice questions, complete with hints and explanations. Prepare confidently for your exam!

Multiple Choice

What voltage does the standby inverter provide to essential loads?

Explanation:
Standby inverter delivers 115V AC to essential loads. This voltage is the standard for the aircraft’s essential bus, and the inverter provides it in AC (at the 400 Hz frequency the system uses) when the normal generators or AC sources aren’t available. The other options don’t fit because the inverter produces AC, not DC, and 28V (DC or AC) isn’t the required essential-bus voltage. The key idea is that essential equipment expects 115V AC, so the standby inverter supplies that until normal power is restored.

Standby inverter delivers 115V AC to essential loads. This voltage is the standard for the aircraft’s essential bus, and the inverter provides it in AC (at the 400 Hz frequency the system uses) when the normal generators or AC sources aren’t available. The other options don’t fit because the inverter produces AC, not DC, and 28V (DC or AC) isn’t the required essential-bus voltage. The key idea is that essential equipment expects 115V AC, so the standby inverter supplies that until normal power is restored.

More Multiple Choice Questions
Subscribe

Get the latest from Examzify

You can unsubscribe at any time. Read our privacy policy