(19)
(11) EP 2 465 193 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:
07.11.2018 Bulletin 2018/45

(45) Mention of the grant of the patent:
03.10.2018 Bulletin 2018/40

(21) Application number: 10759937.5

(22) Date of filing: 06.08.2010
(51) International Patent Classification (IPC): 
H02P 9/10(2006.01)
(86) International application number:
PCT/FI2010/050618
(87) International publication number:
WO 2011/018549 (17.02.2011 Gazette 2011/07)

(54)

A PROTECTION ARRANGEMENT OF AN ELECTRIC POWER SYSTEM

SCHUTZANORDNUNG FÜR EIN STROMVERSORGUNGSSYSTEM

ENSEMBLE DE PROTECTION D'UN SYSTÈME DALIMENTATION ÉLECTRIQUE


(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 SE SI SK SM TR

(30) Priority: 12.08.2009 FI 20095838

(43) Date of publication of application:
20.06.2012 Bulletin 2012/25

(73) Proprietor: Wärtsilä Finland Oy
65100 Vaasa (FI)

(72) Inventor:
  • RIIHIMÄKI, Vesa
    FI-65320 Vaasa (FI)

(74) Representative: Berggren Oy, Helsinki & Oulu 
P.O. Box 16 Eteläinen Rautatiekatu 10A
00101 Helsinki
00101 Helsinki (FI)


(56) References cited: : 
US-A- 3 836 822
US-A- 4 071 870
   
  • DELFINO B ET AL: "Impact of turbine fast-valving on generator and transformer protective relays", 19930905; 19930905 - 19930908, vol. 2, 5 September 1993 (1993-09-05), pages 727-731, XP010278918,
  • CRESAP R L ET AL: "Transient Stability Enhancement by 120-Degree Phase Rotation", IEEE TRANSACTIONS ON POWER APPARATUS AND SYSTEMS, IEEE INC. NEW YORK, US, vol. PAS-100, no. 2, 1 February 1981 (1981-02-01), pages 745-753, XP011168813, ISSN: 0018-9510, DOI: DOI:10.1109/TPAS.1981.316926
   
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