11 Facts About Inductive charging

Inductive charging is a type of wireless power transfer.

Inductive charging is used in vehicles, power tools, electric toothbrushes, and medical devices.

Inductive charging is named so because it transfers energy through inductive coupling.

Greater distances between sender and receiver coils can be achieved when the inductive charging system uses resonant inductive coupling, where a capacitor is added to each induction coil to create two LC circuits with a specific resonance frequency.

The first application of inductive charging used in the United States was performed by J G Bolger, F A Kirsten, and S Ng in 1978.

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Applications of inductive charging can be divided into two broad categories: Low power and high power:.

An increase in high-power inductive charging devices has led to researchers looking into the safety factor of the electromagnetic fields put off by larger inductor coils.

The major advantage of the inductive approach for vehicle charging is that there is no possibility of electric shock, as there are no exposed conductors, although interlocks, special connectors and RCDs can make conductive coupling nearly as safe.

In November 2012 wireless Inductive charging was introduced with 3 buses in Utrecht, The Netherlands.

Dynamic inductive charging infrastructure was found to increase the occurrence of reflective cracks in road surfaces.

Wireless Inductive charging is making an impact in the medical sector by means of being able to charge implants and sensors long-term that is located beneath the skin.