A power converter for operating with an alternate current power source, including a storage capacitive means and a transformer, said storage capacitive means being adapted for power factor correction, said transformer including an input for connecting to an alternating current power source and at least a first output and a second output respectively for connecting to said storage capacitive means and the load, said transformer including input windings, first output windings and second output windings which are respectively connected to said input, said first and second outputs wherein said transformer and said storage capacitive means being adapted that the voltage across said storage capacitive means being related to the voltage of said first output of said transformer.