electricity – made understandable starting to “build the electrical system”
TRANSCRIPT
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Electricity – made understandable
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Starting to “build the electrical system”
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A more simple electrical schematic
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Electricity
• 28 volt system
• (1) 10 ampere battery– Located under nose baggage compartment
floor
• (2) 75 amp belt driven alternators– (1) each Alternator Control Units
– Regulate voltage, shut down alternator in the event it begins to produce excessive (32+) voltage, parallels the two alternators
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Routing
• Power from battery continuously available to hot battery bus– Grd Clearance– Courtesy lights– Nose baggage compartment light
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Routing - 2
• Power available from battery through master switch, to the 80 amp circuit breaker on to the tie bus
• Tie Bus– 2 Main buss circuit breakers– 1 non-ess circuit breaker– 2 avionics circuit breakers
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What is a buss?
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Battery & Hot Batt Buss fuses
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2 alternators
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Avidyne Equipped Mirage Tie Buss panel
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Main Buss Panels and Non-Ess Buss
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Avionics Buss 2006
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ELECTRICITY• INTERIOR LIGHTS
– Overhead dome rheostats– Switch, Panel & Avionics rheostats– Switch
• Switch backlighting
– Panel• Post lights• Stby instruments• EL• Flap indicator
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1997 Mirage Annunciator Panel
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What should be illuminated prior to engine start
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1998 / 1999 Mirage Annunciator Panel
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Annunciator Panel
Avidyne Panel
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• Avionics rheostat– Stby Nav Head internal lighting– Trim Master Switch– Audio Panel lighted buttons– Txp buttons– Autopilot buttons– Stby Att gyro ON switch
• Stby instrument backlighting if aircraft electrical fails
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• Annunciator Panel Day – Self dimming or bright override
• Switch Panel lights– Self dimming
• Night dimming– Gear down lights– PFD & MFD bezel button outlines– Speed Brakes
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• PFD & MFD– Manual dimming by button at top right of unit
– TXP display• Own photocell
– GNS 430 • Auto-dimming by photocell?
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