Electric Vehicles

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I've become quite an enthusiast for electric vehicles recently. My first EV was a German-built CityCom City-El which I brought to the UK and registered for road use here in 2009.

Year of Manufacture1991
UK Taxation ClassElectric Motorcycle
Nominal Traction Voltage36V
Accessory Voltage12V, via DC-DC converter
MotorThrige-Titan 140B compound wound DC 2.5kW
Drive TrainFixed ratio belt drive
ControllerCurtis
BatteriesThree 12V, 110Ah lead-acid, Group 31
Charger240V, 50Hz transformers (not original)
Heater/Demister36V, 200/400W
Maximum Speed35MPH (56kph), approx.
Range20 miles, approx.

Most modern EVs use some form of PWM (Pulse-Width Modulation) motor control. I made a simple PWM motor controller for a demonstration at my local EV owners' group and the details are here.

Battery Vehicle Society


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