AIRCRAFT ELECTRICAL AIRCRAFT ELECTRICAL SYSTEMSSYSTEMS

CN-235 CASA ELECTRICAL CN-235 CASA ELECTRICAL SYSTEMSYSTEM

Table of ContentsTable of Contents EElectrical lectrical SSystemystem Direct Current GenerationDirect Current Generation Control and IndicatorsControl and Indicators What we learned?What we learned? Question?Question?

Electrical SystemElectrical System

The electrical power supply by the direct current two The electrical power supply by the direct current two Batteries , Ground Power Unit (GPU) two Starter Batteries , Ground Power Unit (GPU) two Starter Generators and Transformer / RectifierGenerators and Transformer / Rectifier

Direct Current GenerationDirect Current Generation BATTERYBATTERY

Two nickel-cadmium batteries, of 24 Volts and 40 Two nickel-cadmium batteries, of 24 Volts and 40

Ampere-hours each supply, the energy for the systems Ampere-hours each supply, the energy for the systems and that necessary to start the enginesand that necessary to start the engines

Nickel-cadmium batteryNickel-cadmium batteryCellTerminals

Container

Main connector

Ventpipe

Temperature Sensor

Cell

Direct Current GenerationDirect Current GenerationEXTERNAL POWER SOURCEEXTERNAL POWER SOURCE

On the graund, all the systems can be supplied with On the graund, all the systems can be supplied with electrical power from an external direct current source electrical power from an external direct current source connected to the aircraftconnected to the aircraft

Direct Current GenerationDirect Current Generation

STARTER GENERATORSTARTER GENERATOR Each generator supplies 28 Volts 400 Amperes of Each generator supplies 28 Volts 400 Amperes of

continuous outputcontinuous output

Direct Current GenerationDirect Current GenerationTRANSFORMER-RECTIFIERTRANSFORMER-RECTIFIER

Conversion from 115Conversion from 115vavac to 28 vdcc to 28 vdc

Control and IndicatorControl and Indicator

??What we learnedWhat we learned

We have two nickel-cadmium batteries. We have two nickel-cadmium batteries. (24vdc 40Amper)(24vdc 40Amper)

We have two starter generators.We have two starter generators. (28vdc 400amper)(28vdc 400amper)

We have GPU.(28vdc 600Amper)We have GPU.(28vdc 600Amper)

We have one TR.(28vdc)We have one TR.(28vdc)