Characteristics.pdf

Characteristics/Features of Aircraft Electrical System Trainer

• Two Independently Driven 28V DC Generators

• Two Interconnected Generator Control Units

• Switchable main buses configuration between Split Bus System and Parallel Bus System

(DG models only)

• Avionics Relay and avionics bus

• Two solid-state Generator Control Units (GCU)

• Typical Cockpit Instrumentation, Circuit Breakers, and Controls

• Representative Loads

• Two Main Bus-bars for each generator

• Two Auxiliary Bus-bars

• Battery Bus-bar

• Two 115 V @ 400 Hz Bus-bars

• Two 26 V @ 400 Hz Bus-bars

• Parts used are aircraft components

• Battery charging system

• Faults incorporated by instructor to teach troubleshooting techniques

• Voltmeters (two) and Ammeters (three)

• Distribution terminal strips (six)

• Instructor’s manual & Students’ manual with wiring diagrams

• Computer-based Training (optional)

• APU Input Plug (one)

• Dual Solid State Inverters to produce 115 VAC @ 400 Hz and 26VAC @ 400 Hz

• Low noise enclosure for generators

• Comprehensive safety features, e.g. emergency shutdown

Specifications:

Battery:

• Aircraft sealed, 24V battery

Generator:

• Aircraft DC generator rated 28VDC @40A/50A at 3600 rpm, driven by 230 VAC/50 Hz Motor.

Generator Controls:

• Electronic Controlled Generator Build-up

• Electronic Field Controller/Switching

• Current Limiter

• Reverse Current Protection

• Paralleling / Equalizing

• GCU induced Over Voltage (OV) Protected

• Voltage Regulation: 28.4V + 0.4V

• Max Field Current: 3A.

Starters:

• Aircraft Starter 24 VDC

AC Power:

• Two Static Inverters, each rated 50VA minimum.

• No.1 Generator Bus-bar 28VDC

• No.2 Generator Bus-bar 28VDC

• Two Auxiliary Bus-bars 28VDC

• Battery Bus-bar

• Ground Bus-bar

Power Distribution:

• Two bus-bars 115VAC @ 400 Hz.

• Two bus-bars 26VAC @ 400 Hz.

• Two AC Neutral Bus-bars

• Avionics bus-bar

Electromechanical Loads:

• Landing Gear Motor

• Cabin Air Blower

• Avionics Blower

• Electromechanical Actuator (Optional)

External Lights:

• Navigation Lights (Right Wing, Left Wing, Tail)

• Strobes (Right Wing, Left Wing, Tail)

• Rotating Beacon

• Landing/Taxi Light

Internal Lights:

• Cabin Light

• Reading Light

• Multifunction Cockpit Light with Dimmer

Stall Warning System (SWS):

• Leading Edge Sensor (Vane type)

• Audio Warning Horn

• Independent Battery for SWS

Instruments:

• No.1 Generator Voltmeter

• No.1 Generator Ammeter

• No.1 Generator Hourmeter

• No.2 Generator Voltmeter

• No.2 Generator Ammeter

• No.2 Generator Hourmeter

• Battery Ammeter

• Fuel Gauge

Wiring:

• Aircraft wires, with clear identification labels for each wire.

• All wires are coded and labeled for troubleshooting.

• Demonstrates aircraft standard wiring practices

• All electrical signals are accessible to students through terminal strips

Controls:

• Mains AC circuit breakers, manual switch, and starter switch.

• Guarded Switch for Master Power

• Parallel/Split Bus Selector

• Starter Selector

• Generator / Alternator Selector

• Inverter Power Switch

• Internal / External Lighting Switches

• Instrument Power Switch

• Landing Gear Motor Switch

• Cabin Air Switch

• Avionics Blower Switch

Instructor’s Panel:

• 10 x 10 inches access panel mounted in the back.

• Sixteen fault insertion switches

Indicators:

• Master Power Indicator

• Generator Status Indicators

• Inverter Status Indicators

• Bus Configuration Indicator

Warnings:

• Generator Out Warning

• Stall Warning System aural warnings

Training Materials:

• User’s Manual (Colored, 42 pages)

• Study Guide (Colored, 65 pages)

• Instructor’s Guide (Colored, 15 pages)

Training Materials (optional item):

• Computer-Based Training (15 hours) Our system trainers are supplied with computer-based training (CBT) as an optional item at additional cost.

Access for Training & Maintenance:

• Hinged Control Panel for quick and easy access to internal wiring for demonstration and maintenance.

• Hinged Circuit Breaker Panel for quick and easy access to internal wiring for demonstration and maintenance.

• Two large access doors for the motor and generators.

• Rear access panel for battery compartment.

• Easy access for components removal and installation by one person using common hand tools.

Ventilation:

• Dual ventilating fans installed in generator / motor cabinet.

Sound Proofing:

• Fire-resistant soundproofing installed in generator / motor cabinet.

Safety:

• Triple-protection for AC power.

• All circuits have dual levels of protection using circuit breakers at source and load.

• Power distribution area protected by transparent cover with access holes to all bus-bars.

• All terminal strips protected by transparent covers.

• All moving parts covered with transparent covers.

• Clearly visible safety warnings.

• Low noise cabinet for generator and AC electrical motor.

• Mounted on four heavy-duty casters

• Rugged and durable metal-frame construction