Electrical System Flashcards
What is the primary electrical system on the TH-1H
28 Volt DC
What are the four sources for supplying DC electrical power?
Main generator, standby generator, battery, ground power
What is the external power limit?
29.5 volts
What are the volt/amp ratings for the battery?
24 volt
42 ampere
Minimum voltage during “before exterior inspection checklist” (preflight) is ____ volts
24 volts
Minimum voltage required for battery start of the aircraft is ____ volts
23.5 volts
What is the minimum allowable volts at 10% Ng?
16 volts
WARNING: The center MFD may shutdown during the engine start sequence. If the center MFD does not recover and display valid engine indications within ____ seconds, ____ the start.
5 seconds
abort the start
When used as a generator, the starter/standby generator is rated at ____ volts and ____ amps
30 volt, 300 amp capacity
What are the volt/amp ratings of the main generator?
30 volt, 300 amp
The voltage regulator controls output of the main generator to ____
27 - 28.5 VDC
The ELEC YELLOW BAND is ____ to ____ VDC
0 - 22 VDC
The ELEC GREEN BAND is ___ to ____ VDC
22 - 30 VDC
The DC GEN caution light will illuminate when ____ goes offline
Main Generator
The field control relay is tripped when the generator exceeds ____ to ____ volts
31 - 33 volts
