The flashcards below were created by user
What are the volts and amps for the Starter Generators?
28VDC and 400 amps
How many volts is the battery?
How many hours is the battery rated for?
44 amp hours, means it can deliver 1 amp for 44 hours
At what temperature does the BATT O' TEMP light go on?
145 degrees F
At what temperature does the BATT O' TEMP light flash?
160 degrees F
How many amps do the Starter Generators deliver continuously to all the electrical buses?
What is the amp overload limit on the ground?
600 amps for 5 minutes
What is the amp limit above 35,000 feet
What do Generator Control Units do?
Differential Voltage Protection
Ground Fault Protection
Reverse Current Flow Protection
What does the Hot Battery Bus connect to?
Basic Electrical Stuff
-Volt Meter and Battery Relay
Left and Right Starters
Lights (Front to Rear)
-Nose and Tail bag lites
-Emer Power Relay
-Emer Lite Battery Pack
What is the power flow for the Emer Bus?
Through Hot Battery Bus
To Emer Bus
What is on the Emer Bus?
What is the power flow on the Battery Bus both with and without a GPU?
Without a GPU
-Hot Bus to Batt Buss
-Through 225 amp Current Limiters
-To Left and Right Main Buses
With a GPU
-Power goes the other way to charge the battery
-Must be in BATT to charge the battery
Why would you ever use the reset button on the generator switches
To reset the generator if you had a windmilling engine
What two AC voltages are provided by inverters?
What's powered by the 115 VAC power?
What's powered by the 26 VAC power?
How do you do the inverter test?
Move the switch to the test position and the corresponding inverter fail light should illuminate
Why do we have wing inspection lights?
They're mandatory for flight into icing