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EV - Electrical Vehicles Charging Speed (km/h and mph)

Electrical vehicle charging speed vs. power supply and energy consumption.

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Electric Vehicle - Power and Charging Speed

Charging speed is "how many km or miles are added to the range during charging per hour" and can be calculated as

c = P / E           (1)

where

c = charging speed (km per hour, miles per hour)

P = charging power (kW)

E = the energy consumption of the car when driving (kWh/km, kWh/miles)

Example - Charging EV

An electric car with energy consumtion 20 kWh/100km (0.2 kWh/km) is charging on a fast charger with 45 kW power. The charging speed can be calculated as

c = (45 kW) / (0.2 kWh/km)

  = 225 km per hour  

Electric Vehicle - Power and Charging Speed Calculator

Power (kW)

Energy Consumption when Driving (kWh/100km or kWh/100miles)

Electric Vehicle - Power Supply and Charging Speed Calculator

The same calculation as above but with single phase current (A) and voltage (V) as input instead of power (kW).

Voltage (volt)

Current (ampere) (single phase)

Energy Consumption when Driving (kWh/100km or kWh/100miles)

Electrical Vehicle - Power Supply and Charging Speed Diagram

The diagram below can be used to estimate charging speed for electrical vehicles. The default values are for single phase 240V, 32 amps, 7.7 kW, 18 kWh/100km driving consumption - and charging speed 43 km/h.

Electrical vehicle power supply and charging speed diagram

Download and print Electrical vehicle charging speed diagram!

Electric Vehicle - Charging Time and Energy - Charging Speed Calculator

Charged Energy (kWh)

Charging Time (minutes)

Energy Consumption when Driving (kWh/100km or kWh/100miles)

Electrical Vehicle - Charging Time and Energy - Charging Speed Diagram

The diagram below can be used to estimate charging speed for electrical vehicles. The default values are for 13 minutes, 9 kWh, 42 kW, 18 kWh/100km driving consumption - and charging speed 230 km/h.

Electrical vehiclecharging energy, time and charging speed diagram

Download and print electrical vehicle charging energy, time and charging speed diagram!

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9.19.12

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