Abstract: A powering apparatus for wireless powering of a power receiving device comprises: a plurality of power transmitters configured to provide inductive coupling to the power receiving device; and an oscillator configured to provide a reference oscillator signal; wherein each power transmitter comprises an inductive element and a driving circuitry for providing a current signal for driving the inductive element, wherein the driving circuitry of each power transmitter is configured to receive the reference oscillator signal and a feedback signal of a current through the inductive element for controlling a phase of the current signal in relation to a phase of the reference oscillator signal, each of the plurality of power transmitters being configured for outputting a powering signal controlled by a common phase relation to the reference oscillator signal.