BMW and Mercedes working together on wireless charging

donderdag, 10 juli 2014 - Categorie: Berichten Internationaal

Bron: .
9 juli 2014

The project has three main goals: To develop a system to recharge high-voltage electric vehicle batteries that is efficient, convenient and safe. For the first goal, the German partnership is aiming for an efficiency factor of over 90 percent. The second is a natural attribute of wireless charging—no longer does a driver have to remember to plug in when they park, nor grab a potentially dirty or wet charging cable handle in inclement weather. The weather itself shouldn't be an issue either, as BMW says neither rain nor snow affects the system's ability to work.

Safety is down to the wireless charger's design. When a car parks over a wireless charger, an electromagnetic field generates current in a coil located on the underside of the car. Enough current is generated that BMW boasts a charging rate of up to 7kW—enough to charge the battery in an i3 electric car overnight. Normally, this sort of electromagnetic radiation could prove problematic—it's been linked to health issues and those with pacemakers need not apply—but BMW says radiation is kept to a minimum by the automakers' design. There are also sensors in place to curtail charging if a foreign object—a pet, for example—strays between the coils.

Die safety betreft natuurlijk niet de straling en de invloed daarvan op de gezondheid.
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Onderzoeken/8422/hybride_auto_s_en_emv .

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