An inductive power transfer system for transferring electric energy to a vehicle , wherein the system comprises - a wayside electric conductor arrangement for producing an alternating electromagnetic field and for thereby transferring the energy to the vehicle , - a vehicle side receiving device for receiving the alternating electromagnetic field and for producing electric energy by magnetic induction, wherein - the wayside electric conductor arrangement is combined with an array of a plurality of sensor coils of the system, the sensor coils being placed side by side to form the array , wherein the array of the plurality of sensor coils is placed in between the wayside conductor arrangement and the vehicle side receiving device , - the array extends in directions transverse to a field direction of the electromagnetic field, which field direction extends from the wayside electric conductor arrangement to the vehicle side receiving device during transfer of the energy to the vehicle, - a detector arrangement is connected to the plurality of the sensor coils , the detector arrangement being adapted to detect an effect of any magnetic and/or electrically conducting body , that is possibly located in the field direction, on at least one electrical property of at least one of the sensor coils , - the vehicle side receiving device is combined with a communication transmitter of the system adapted to transmit communication signals to the array of the plurality of sensor coils , wherein the detector arrangement and/or a communication receiver, that is connected to the plurality of the sensor coils, is/are adapted to receive the communication signals via at least one of the of the plurality of sensor coils , - and the system is adapted to use a communication signal received via at least one of the of the plurality of sensor coils to detect a position of the vehicle side receiving device . - a wayside electric conductor arrangement for producing an alternating electromagnetic field and for thereby transferring the energy to the vehicle , - a vehicle side receiving device for receiving the alternating electromagnetic field and for producing electric energy by magnetic induction, - the wayside electric conductor arrangement is combined with an array of a plurality of sensor coils of the system, the sensor coils being placed side by side to form the array , wherein the array of the plurality of sensor coils is placed in between the wayside conductor arrangement and the vehicle side receiving device , - the array extends in directions transverse to a field direction of the electromagnetic field, which field direction extends from the wayside electric conductor arrangement to the vehicle side receiving device during transfer of the energy to the vehicle, - a detector arrangement is connected to the plurality of the sensor coils , the detector arrangement being adapted to detect an effect of any magnetic and/or electrically conducting body , that is possibly located in the field direction, on at least one electrical property of at least one of the sensor coils , - the vehicle side receiving device is combined with a communication transmitter of the system adapted to transmit communication signals to the array of the plurality of sensor coils , wherein the detector arrangement and/or a communication receiver, that is connected to the plurality of the sensor coils, is/are adapted to receive the communication signals via at least one of the of the plurality of sensor coils , - and the system is adapted to use a communication signal received via at least one of the of the plurality of sensor coils to detect a position of the vehicle side receiving device . <EOS>