Development of KANZACC-EMIC-One, a cable for noncontact battery-charging systems for electric vehicles (EVs)

Press Release
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Noncontact battery-charging systems

November 11, 2011

Kyowa Electric Wire Co., Ltd. (Head Office: Osaka, Osaka Prefecture; President: Hisakazu Ishibashi), a member of the Furukawa Electric Group, has recently developed a buried high frequency current supply cable called KANZACC-EMIC-One for use in noncontact battery-charging systems for electric vehicles (EVs) (patent pending).

A noncontact battery-charging system supplies electricity to an EV without physical contact using a cable or connector. It allows a vehicle to be recharged by simply parking it in a location where a power transmission unit is embedded, for example in a shopping mall parking lot or at a traffic junction.

Kyowa Electric Wire's KANZACC-EMIC-One is a cable that supplies high frequency strong current from a power panel of the noncontact battery-charging system to the primary coil on the side facing the ground. It utilizes multicore insulated wires as a conductor to ensure efficient supply, and controls the increase in AC resistance caused by the skin effect. Since the cable is buried underground, its entire outer circumference is encased in a corrugated metal pipe for protection. To improve workability when laying the cable, it is fitted with a connector in the terminal and is a standard size for sale in packages. The first examples will be shipped from this November, with the aim of achieving sales of 100 million yen in fiscal 2013.

A corrugated cable that uses multicore insulated wires as its conductor and that is encased in a corrugated metal pipe.

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