为了提供一种能降低从供电线泄漏的磁场所造成的不良影响之非接触供电方式的行走车系统。非接触供电系统，系具备交流电源、供电线（17、17）、电力接收部（23）、噪声消除电路（85）。供电线（17）是连接于交流电源。电力接收部（23）是以非接触方式接收来自供电线（17）的电力且设置于高架行走车（5）。噪声消除电路（85）是具有线圈天线（87）和电容器（89）。在线圈天线（87），借由流过供电线（17）的电流所产生的磁场而有感应电流流过。线圈天线（87）和电容器（89）具有共振关系，而使流过线圈天线（87）的感应电流，相对于流过供电线（17）的电流相位成为相反相位。

Provided is a contactless power feed type traveling vehicle system with which adverse effects caused by a magnetic field leaking from power feed cables can be reduced. The system is equipped with power feed cables (17, 17), a power reception part (23), and a noise cancellation circuit (85). The power feed cables (17) are connected to an alternating-current power supply. The power reception part (23) receives electric power from the power feed cables (17) contactlessly, and is installed on an overhead traveling vehicle (5). The noise cancellation circuit (85) has a coil antenna (87) and a capacitor (89). An induced current produced by a magnetic field generated by current flowing in the power feed cables (17) flows to the coil antenna (87). Because the coil antenna (87) and the capacitor (89) are in a resonant relationship, the phase of the induced current flowing in the coil antenna (87) is inverted with respect to the phase of the current flowing in the power feed cables (17).