Electrical System Limitations Flashcards
What type of Electrical System does the G280 have?
28 VDC
What are the main engine generators rated at?
28 VDC
400 AMPS
The main aircraft batteries are rated at
___VDC
___Amp/Hours
24 VDC
38 Amp/Hour
External Power is used for___
But can not be used for___
- Aircraft ground maintenance and charging the batteries
- Starting the APU
External Power supplies 28 VDC power to the aircraft through the ______
Left Tie Bus
When will the BATT switches on the overhead panel illuminate on?
Anytime the respective batteries are being discharged
In flight, what will automatically load shed in the event of a main generator failure? (six items)
- Windshield Heat
- Baggage Heating
- Water & Waste system (partially)
- Galley
- 115 VAC, 60 HZ Inverter
- Non-essential load of cabin
What are the sources of DC Power
Aircraft Batteries
External Power
APU Generator
Engine Driven Generators
Can we get any of the load shed items back?
Yes, we can use the OVRD switch for Windshield Anti-Ice
What type of main batteries are installed in the G280
Lead Acid
What is the purpose of the Standby Aircraft Battery?
A dedicated power source for the Standby Multifunction Controllers
How long can we fly with the Standby Aircraft Battery?
60 Minutes if one of the SMCs is depowered?
How is the Standby Aircraft Battery Charged?
Left Main Bus when powered by any generator or external D/C Power supply (28 VDC available on the bus)
Engine and APU generator limitations:
100% maximum continuous
Battery Limitations:
° APU generator available: 20 amps
° APU generator unavailable: 8 amps
