Transcription of Electric Vehicle Drive Systems - NBEAA
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Electric Vehicle Drive Systems - NBEAA
North Bay Electric Auto AssociationSummer 2009 Technical SeriesElectric Vehicle Drive June 13, 2009 Corrected June 15, 2009 This presentation is posted at: Summer Technical SeriesTODAY>>1. EV Drive Systems2. EV Batteries and Management Systems 3. EV Charging Systems 4. EV Donor Vehicles AgendaWhat is an EV Drive system ?EV Drive system History EV Drive system RequirementsTypes of EV Drive SystemsEV Drive system CoolingEV Drive system ManagementEV Drive system ComparisonFuture EV Drive SystemsEV Drive system Testimonials, Show and Tells and Test DrivesWhat is an EV Drive system ? MotorFly-wheel and ClutchTrans-missionDrive Shaft Differ-entialMotor AdapterAll or a subset of the components between the batteries and the wheels shown above. Motor controllerFrom BatteryU JointU JointCV JointCV JointHalf Shaft CV JointCV JointHalf Shaft To WheelTo WheelFrom DriverWhat is an EV Drive system ? Demonstration of Electric motor principles: Two permanent magnets attracting and repelling each other An electromagnet attracting and repelling a permanent magnet with a DC source, reversed with polarity A small brushed permanent magnet DC motor, speed increased with varying voltage through variable resistor, and reversed with polarity EV Drive system HistoryUS1990sFirst digital configuration PWM controllersUS1980sFirst IGBT PWM controllersUS1950sFirst high
EV Drive System History First digital configuration PWM controllers 1990s US First IGBT PWM controllers 1980s US First high efficiency small air gap motors 1950s US
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