DC chargers havethe samebuilt-in precautions as any other EV charger: They only deliver as much power as your car can handle.From start to finish, your car is communicating with the charging station, monitoring conditions such as the vehicle's state of charge, the maximumelectricalcurrent available Contact online >>
DC chargers havethe samebuilt-in precautions as any other EV charger: They only deliver as much power as your car can handle om start to finish, your car is communicating with the charging station, monitoring conditions such as the vehicle''s state of charge, the maximumelectricalcurrent available from the station and the battery voltage, and regulating the power flow accordingly cause DC fast charging delivers so much more power than AC charging, it''s especially important that it not send more power than your car or battery can handle.
Once charging gets started, your battery warms up and your car mayask for more power, enablingfaster charging. As charging continues, your car will alert the charger when the safesttopspeed is reached and will continue to maintain that pace for as long as possible. Your car is actively in control throughout afastcharging session — and it mayrequesta moderate speed to ensuresafety and maximize battery life. In the long run, this is good for you, too.
Keep in mind that battery temperature and ambient temperature affect charging speed, too. Batteriesmay charge more slowlyuntil they warm up or cool down (if the car''s been on the road awhile), and extreme outdoor temps can also slow charging. Here''s how a typical DC fast charging session might look as charging ramps up, reaches top speed and slows down as the battery fills:
When you buy an EV, make sure to ask questions and do research about fast charging for a particular model, from what connector to use to how long it will take to charge. Knowing what to expect will help you have a great ownership experience and avoid any fast charging surprises.
Now that you know how fast charging works and where the curves come in, you''re ready to get the most out of your EV. Just remember that not all fast charging is created equal because of the variations in EV battery voltages, charging cable amperage and other factors. If you do need to charge up quickly, use the ChargePoint map to find a reliable, easy-to-use DC fast charger.
Fast Charging makes electric cars more useful because of the reassurance drivers get knowing they can quickly recharge, and the faster effective trip speed. It seems that car owners with fast-charge capable cars, with enough fast charging stations around them, feel capable of taking longer trips.
In some cases it means electric car drivers can take real road trips — blowing up one of the negative electric car stereotypes. (like being be limited to driving a short distance from your home)
What we have in 2015 is a multi-way electric car fast charging standards battle. Consumers are caught in the middle not knowing which fast charging standard to support, not knowing enough to know how to choose between them. Fortunately some of the automakers appear to be acting to soften the pain of incompatible fast charging standards by deploying multi-protocol fast charging stations.
What we deserve is ubiquitous fast charging stations with a unified fast charging protocol. Our gasoline powered brethren have a unified standard for gasoline pump nozzles, we deserve the same for fast charging.
With multiple competing fast charging standards adapters would be a useful product, to enable fast charging from an otherwise incompatible charging station. While Tesla Motors is selling a CHAdeMO-to-Tesla adapter, it seems such adapters might have limited popularity due to expense and deployment of dual-protocol charging stations.
DC Fast Charging is the fastest (highest powered) electric car charging system currently available. The charging station provides a high power DC current, as much as 120 kiloWatts, to the car’s battery pack bypassing any other charging equipment in the car.
Some people call this “Level 3” because the normal-speed charging generally used (240 volt AC at about 30 amps) is popularly called “Level 2”. Both names are incorrect. What’s popularly called “Level 2” is actually called “AC Level 2” and covers single phase AC charging at up to 20 kiloWatts in power. In practice the highest rate currently supported by electric cars is about 10 kiloWatts, but the public charging network generally only supports 6 kiloWatts.
Where this becomes important is the recharge times noted in the chart. The higher the charging power, the more quickly the car can be recharged. Put another way, high power charging makes for a faster effective trip speed – because you gain more hours of range per hour of charging. See Electric car charging rates, how fast, how slow, what we need, and why for more information.
As said above, there are four or so DC Fast Charging systems currently being used by electric car manufacturers. The picture shown here has four different connectors without even accounting for the Tesla Supercharger because there are two variants of the ComboChargingSystem charging socket.
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