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Road powered electric vehicles (RPEV) (sometimes called roadway powered electric vehicles) collect any form of potential energy from the road surface to supply electricity to locomotive motors and ancillary equipment within the vehicle. ==Definition== A Road Powered electric vehicle may be defined as a transport capsule with the following characteristics: (1) The principal means of locomotion is one or more electric motor(s) 2) The electric motors are powered by an electrical supply provided either from a battery (usually on-board) or power source (typically remote, and connected directly via conductive cables or magnetic inductive fields (3) There is a defined roadway over which the vehicle travels (that means, although it may have some on-board battery reserve, is not intended to be a cross country vehicle) (4) Where an external electric supply is provided, this is typically with overhead conductors or above-ground rails or (rarely) sub-surface electro-magnets. (5) An all-electric vehicle typically requires one or more on-board energy supply elements or devices for autonomous operation, most commonly by chemical batteries, less frequently via electro-mechanical generators (6) The electric vehicle further may include an on-board control system that directs energy from the energy storage elements, as needed, and converts such energy to electric motors used to propel the electric vehicle. A Road Powered Electric Vehicle therefore ''necessarily includes a system for supplying electricity from an external power source'' (such as a remote power station through a network of power coupling elements which provide an integral and continuous power connection between origin and destination. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Road-powered electric vehicle」の詳細全文を読む スポンサード リンク
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