Roger,

Obviously, we are on the same page.

 

Battery charger

When I talked to the top tech guy at Newfoundland Power, he was very sure that a 700 kw charger was not a problem.  I went extra large on the charger just to get his reaction.  I am looking at a direct bolt-in electric motor replacement for the diesel bus and I am not sure what is available in voltage, RPM or HP as a match for the diesel replacement. 

 

Communication between the bus and the charger can start out simple with the bus turning the charger on and off and then evolve into a billing system for the power company as more customers start using the charger. (like taxi cabs).

 

Battery requirement

We (you and I) seem to be out by a factor of 2 in distance travelled per kw-hr for a city bus. 

 

In my calculation, I did a comparison between the Metrobus ( 12,300 kg (includes average 10 passengers) with actual (Metrobus) mileage of 60 liters per 100 km) with a required range of 10km and the Phoenix SUT (electric) 1,800 kg (includes 95 kg of passengers) with a range of 180 km and a 35 kw-hr battery.  I also factored in a 20% improvement in efficiency of the Metrobus over a Jetta diesel when weight adjusted.  (This is probably aerodynamics and rolling resistance).  I assumed the Phoenix SUT and Jetta diesel to have similar aerodynamics and rolling resistance

 

That bus you have on your website would have a higher improvement in efficiency ( I guess 30%) because it is even more aerodynamic.

 

I do think modern electric motors (like Tesla - 85 to 95% efficient ) are an improvement over older motors.

 

In conclusion. Can you re-assess this discrepancy.

 

Thanks

Michael