A system for transferring electric energy to a vehicle, in particular to a track bound vehicle such as a light rail vehicle or to a road automobile such as a bus, wherein - the system comprises an electric conductor arrangement (3, T) for producing an alternating electromagnetic field and for thereby transferring electromagnetic energy to the vehicle, - the conductor arrangement (3, T) comprises a plurality of segments (T1, T2, T3, T4, T5, T6), wherein each segment (T1, T2, T3, T4, T5, T6) extends along a section of the path of travel of the vehicle, - each segment comprises one line for each phase of an alternating current which is to be carried by the segment in order to produce the electromagnetic field, - the system comprises a current supply for conducting electric energy to the plurality of the segments (T1, T2, T3, T4, T5, T6), wherein the segments (T1, T2, T3, T4, T5, T6) are electrically connected in parallel to each other with the current supply, - at least one of the segments (T1, T2, T3, T4, T5, T6) is coupled to the current supply characterised in that - the at least one of the segments (T1, T2, T3, T4, T5, T6) is coupled to the current supply via an associated constant current source adapted to keep the electric current through the segment (T1, T2, T3, T4, T5, T6) constant - while the segment (T1, T2, T3, T4, T5, T6) is operated - independently of the electric power which is transferred to one or more vehicles travelling along the segment (T1, T2, T3, T4, T5, T6), - each constant current source comprises a first inductance (L 6P1) and optionally more than one inductances and comprises a first capacitance (C 6P) and optionally more than one capacitances, the inductances and the capacitances being adapted to each other and to the voltage at the input side of the constant current source so that a desired constant current is output to the output side, i.e. the side of the segment, - the first inductance (L 6P1) is arranged in a line of the constant current source which connects the input side with the output side and at least one junction of the line is connected with the first capacitance(C 6P), - the first inductance (L 6P1) and the first capacitance (C 6P) as well as a second inductance (L 6P2), which is formed at least partly by the inherent inductance (L T) of the segment, are adapted to each other and to any additional capacitance in the segment so that the segment can be operated at a corresponding resonance frequency and the reactive power produced by the segment is essentially zero. - the system comprises an electric conductor arrangement (3, T) for producing an alternating electromagnetic field and for thereby transferring electromagnetic energy to the vehicle, - the conductor arrangement (3, T) comprises a plurality of segments (T1, T2, T3, T4, T5, T6), wherein each segment (T1, T2, T3, T4, T5, T6) extends along a section of the path of travel of the vehicle, - each segment comprises one line for each phase of an alternating current which is to be carried by the segment in order to produce the electromagnetic field, - the system comprises a current supply for conducting electric energy to the plurality of the segments (T1, T2, T3, T4, T5, T6), wherein the segments (T1, T2, T3, T4, T5, T6) are electrically connected in parallel to each other with the current supply, - at least one of the segments (T1, T2, T3, T4, T5, T6) is coupled to the current supply - the at least one of the segments (T1, T2, T3, T4, T5, T6) is coupled to the current supply via an associated constant current source adapted to keep the electric current through the segment (T1, T2, T3, T4, T5, T6) constant - while the segment (T1, T2, T3, T4, T5, T6) is operated - independently of the electric power which is transferred to one or more vehicles travelling along the segment (T1, T2, T3, T4, T5, T6), - each constant current source comprises a first inductance (L 6P1) and optionally more than one inductances and comprises a first capacitance (C 6P) and optionally more than one capacitances, the inductances and the capacitances being adapted to each other and to the voltage at the input side of the constant current source so that a desired constant current is output to the output side, i.e. the side of the segment, - the first inductance (L 6P1) is arranged in a line of the constant current source which connects the input side with the output side and at least one junction of the line is connected with the first capacitance(C 6P), - the first inductance (L 6P1) and the first capacitance (C 6P) as well as a second inductance (L 6P2), which is formed at least partly by the inherent inductance (L T) of the segment, are adapted to each other and to any additional capacitance in the segment so that the segment can be operated at a corresponding resonance frequency and the reactive power produced by the segment is essentially zero.