(19)
(11) EP 2 270 969 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
11.04.2012 Bulletin 2012/15

(45) Mention of the grant of the patent:
08.02.2012 Bulletin 2012/06

(21) Application number: 09251710.1

(22) Date of filing: 02.07.2009
(51) International Patent Classification (IPC): 
H02M 7/23(2006.01)

(54)

Control methods for parallel-connected power converters

Steuerungsverfahren für parallel geschaltete Stromwandler

Procédés de commande de convertisseurs d'alimentation reliés en parallèle

(84) Designated Contracting States:
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 SE SI SK SM TR

(43) Date of publication of application:
05.01.2011 Bulletin 2011/01

(73) Proprietor: Converteam Technology Ltd
Rugby Warwickshire CV21 1BU (GB)

(72) Inventors:
  • Feng, Chunmei
    Stoke-on-Trent Staffordshire ST7 1JX (GB)
  • Moreno-Castañeda, Veimar Yobany
    Congleton Cheshire CW12 4GZ (GB)
  • Webb, Richard Stuart
    Newcastle-Under-Lyme Staffordshire ST5 0HY (GB)
  • Knight, Jeremy Stephen Prevost
    Haverfordwest Pembrokeshire SA62 4NG (GB)

(74) Representative: Lacey, Dean Andrew 
Serjeants 25 The Crescent, King Street
Leicester LE1 6RX
Leicester LE1 6RX (GB)


(56) References cited: : 
EP-A1- 2 020 740
US-A1- 2004 032 755
 JP-A- 5 308 777
   
  • ZHIHONG YE ET AL: "Control of circulating current in parallel three-phase boost rectifiers" APEC 2000. FIFTEENTH ANNUAL IEEE APPLIED POWER ELECTRONICS CONFERENCE AND EXPOSITION, vol. 1, 2000, pages 506-512, XP002561009 IEEE PISCATAWAY, NJ, USA ISBN: 0-7803-5864-3
   
Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).