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Electric Transport

Transport today uses diesel, petrol, aviation fuel and this is consuming non-renewable sources of energy on a continuous basis. Although Transport is not major pollution source but high consumption of oil products may see reserves depleting very fast. Electric cab can cost as little as £4.50 to charge and has a range of up to 100 miles at 50mph. This represents over 75 per cent savings on fuel costs, reduced maintenance costs and downtime. In addition there is no Road Fund License required for this type of vehicle.

This delivery vehicle has top speeds of up to 50mph and are capable of covering 150 miles on one battery charge. Much forgotten tramways may be the transport of the future. Metro Rails driven by electric power from the substations can substantially change the urban transport requirement. Leading to less congestion on red lights and avoiding traffic jams frequently experienced in many cities of many countries.

 

Heavy duty vehicles are powered by leading edge Lithium-Ion Iron Phosphate batteries that achieve a range of 100 miles on a full charge. The 90-kilowatt induction motor delivers impressive acceleration and a top speed of 50mph, which has proven to be sufficient for urban work. These vehicles are powered by conventional electricity from the  Grid and it delivers a saving of thousands of kilos of carbon dioxide emissions per year.

Typical Specifications of commercial electric car

Motor 375 volt AC induction air-cooled electric motor with variable frequency drive.
Max Net Power 248 HP (185 kW) @ 5000-8000 rpm
Max rpm 14,000
Efficiency 92% average, 85% at peak power
Torque 276 ft/lb (375 Nm) @ 0-4500 rpm
Transmission
Single speed fixed gear with electrically-actuated parking lock mechanism and mechanical lubrication pump
Over all Final Drive  8.28:1
Reverse Reverse direction of motor, limited to 15 mph
Final Drive Ratio 3.12:1
Front Suspension Independent. Upper and lower unequal length wishbones. Co-axial coil spring/telescopic damper. Sway bar. Rear Suspension Independent. Upper and lower unequal length wishbones. Co-axial coil spring/telescopic damper. Sway bar. Brakes
Hydraulically operated. Tandem master cylinder with vacuum servo and anti-lock braking system. Front and rear ventilated disc. Cable operated self adjusting hand brake on rear calipers.
Typical price is more than 100000 US $ which can be deterrent for the buyers. Since Lithium ion batteries are very expensive this cost is primarily due to batteries.

Lithium ion batteries inside a electric car being charged using standard power outlet.

 

Using a robot driven mechanical transport system charged battery pack can be replaced with the used battery pack working like a refueling system. This could be a cost effective solution for electricity driven vehicles.

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