Wireless power transfer arrangement for wirelessly transferring power from a primary side across an airgap to a secondary side by inductive coupling, wherein a) the primary side includes an input stage for converting an input power to an AC primary output power and a primary resonator for receiving the AC primary output power and inducing a magnetic field, b) the secondary side includes a secondary resonator for converting the power received through the magnetic field to an AC secondary output power and an output stage for converting the AC secondary output power to a DC secondary output power, characterised in that the secondary resonator includes a secondary magnetic core structure and at least two secondary resonating circuits connected in parallel, wherein c) each secondary resonating circuit includes a resonating path with a resonating inductor and a resonating capacitor connected in series, d) the resonating inductor includes a winding wound on a section of the secondary magnetic core structure encompassing a magnetic flux of that secondary resonating circuit, e) each resonating path includes a symmetry inductance connected in series with the resonating inductor and the resonating capacitor of that resonating path and f) the symmetry inductances include a coil wound on an additional magnetic core element that is additional to the secondary magnetic core structure and that is magnetically connected to the secondary magnetic core structure, wherein the symmetry inductance is chosen such that a resonance frequency of the resonating paths of a secondary resonating circuit resulting from a parasitic inductance of the symmetry inductance is positioned in a middle of two adjacent harmonics of a working resonance frequency of the secondary resonator. a) the primary side includes an input stage for converting an input power to an AC primary output power and a primary resonator for receiving the AC primary output power and inducing a magnetic field, b) the secondary side includes a secondary resonator for converting the power received through the magnetic field to an AC secondary output power and an output stage for converting the AC secondary output power to a DC secondary output power, characterised in that the secondary resonator includes a secondary magnetic core structure and at least two secondary resonating circuits connected in parallel, wherein c) each secondary resonating circuit includes a resonating path with a resonating inductor and a resonating capacitor connected in series, d) the resonating inductor includes a winding wound on a section of the secondary magnetic core structure encompassing a magnetic flux of that secondary resonating circuit, e) each resonating path includes a symmetry inductance connected in series with the resonating inductor and the resonating capacitor of that resonating path and f) the symmetry inductances include a coil wound on an additional magnetic core element that is additional to the secondary magnetic core structure and that is magnetically connected to the secondary magnetic core structure, wherein the symmetry inductance is chosen such that a resonance frequency of the resonating paths of a secondary resonating circuit resulting from a parasitic inductance of the symmetry inductance is positioned in a middle of two adjacent harmonics of a working resonance frequency of the secondary resonator.