(19)
(11) EP 2 926 445 A2

(12)

(88) Date of publication A3:
12.09.2014

(43) Date of publication:
07.10.2015 Bulletin 2015/41

(21) Application number: 13805295.6

(22) Date of filing: 27.11.2013
(51) International Patent Classification (IPC): 
H02M 3/158(2006.01)
 H02M 1/14(2006.01)
(86) International application number:
PCT/EP2013/074847
(87) International publication number:
WO 2014/083050 (05.06.2014 Gazette 2014/23)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME

(30) Priority: 29.11.2012 WO PCT/EP2012/073945

(71) Applicant: Telefonaktiebolaget L M Ericsson (Publ)
164 83 Stockholm (SE)

(72) Inventors:
  • LARSSON, Andreas
    S-393 55 Kalmar (SE)
  • MELLTEG, Magnus
    S-392 31 Kalmar (SE)
  • HOLMBERG, Torbjörn
    S-393 64 Kalmar (SE)

(74) Representative: Hoffmann Eitle 
Patent- und Rechtsanwälte PartmbB Arabellastraße 30
81925 München
81925 München (DE)

   


(54) DETERMINATION OF PHASE OFFSETS IN A POWER SUPPLY SYSTEM HAVING MULTIPLE SWITCHING CONVERTERS