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Bus A System Transfer Priority
- 2, EX, 4, AP, 3
- Gen 2, Ext power, Gen 4, APU Gen, Gen 3
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Bus B System Transfer Priority
- 3, Ex, 4, AP, 2
- Gen 3, Ext power, Gen 4, APU gen, Gen 2
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MEAC System Transfer Priority (MON AC)
- A, 2, Ex, 4, AP, 3
- Bus A, Gen 2, Ext Power, APU gen, Gen 3
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FEAC System Transfer Priority (Flight AC)
- 2, EX, 4, AP, 3, A
- Gen 2, Ext power, Gen 4, APU gen, Gen 3, Bus A
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SEAC System Transfer Priority (Start AC)
MON AC, Start DC via Inverter
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Purpose and power source: TR 2A
- Purpose: Connects Gen 2 to Bus A
- Power: #2 SUP panel ACR Energized
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Purpose and power source: TR 2B
- Purpose: Connects alternate gen to Bus A
- Power: Mon DC via Bus A control CB
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Purpose and power source: TR 3A
- Purpose: connects gen 3 to bus B
- Power: #3 SUP panel ACR energized
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Purpose and power source: TR 3B
- Purpose: conntects alt gen to Bus B
- Power: Mon DC via bus B control CB
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Purpose and power source: TR 4
- Purpose: gives ext power priority over gen 4
- Power: GOB via Ext Pwr control CB
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Purpose and power source: TR 5
- Purpose: connects gen 2 to bus B
- Power: Mon DC via gen 4 transfer CB
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Purpose and power source: TR 6
- Purpose: connects gen 3 to bus A
- Power: Mon DC via gen 4 transfer CB
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Purpose and power source: TR 7
- Purpose: gives gen 4 priority over APU
- Power: Flight DC via gen 4 aux control CB
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Items on flight AC
POSSFIRE:
- Pitot heat
- Outflow valve
- Standby altitude indicator
- Standby vertical gyro*
- FDI*
- IFF transponder
- Radar altimeter
- Essential lighting*
- * = back up from Mon AC
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Items on flight DC
BUGGPPIITI:
- Bell
- Utility lights
- Gen 4 aux control
- GOB relay
- Pitchlock reset
- Peanut gyro
- IFF
- Inverter relay
- Turn needle
- INS 1&2
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What does the external power monitor check for?
Voltage, phase, frequency
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When the battery comes on, what is powered?
- Flight DC
- GOB
- APU essential
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How many gens, where are they located, and basic specs for them?
- 4 total
- Engines 2,3,4, APU
- 120V, 400Hz, 3 phase, AC
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The generator's capability to produce is a function of what?
Volume of cooling air supplied
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APU generator max continuous power rating?
90 KVA
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