(19)
(11) EP 3 747 101 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:
15.06.2022 Bulletin 2022/24

(45) Mention of the grant of the patent:
20.04.2022 Bulletin 2022/16

(21) Application number: 18903386.3

(22) Date of filing: 19.12.2018
(51) International Patent Classification (IPC): 
H02J 3/14(2006.01)
H02H 3/46(2006.01)
G01R 19/25(2006.01)
 H02J 3/12(2006.01)
G01R 31/08(2020.01)
(52) Cooperative Patent Classification (CPC):
H02H 7/26; H02H 3/46; H02J 2310/12; H02J 2310/14; Y04S 20/222; Y04S 20/242; Y02B 70/30; Y02B 70/3225; H02J 3/14; G01R 19/2513; G01R 31/08; H02H 1/0007; H02H 1/0092; H02H 3/42; H02J 3/381; H02J 2300/24; H02J 2300/28; H02J 2310/60; Y02E 10/56; Y02P 80/14
(86) International application number:
PCT/US2018/066379
(87) International publication number:
WO 2019/152107 (08.08.2019 Gazette 2019/32)

(54)

COORDINATED FREQUENCY LOAD SHEDDING PROTECTION METHOD USING DISTRIBUTED ELECTRICAL PROTECTION DEVICES

VERFAHREN ZUM SCHUTZ VON LASTABWURF MIT KOORDINIERTER FREQUENZ UNTER VERWENDUNG VON VERTEILTEN ELEKTRISCHEN SCHUTZVORRICHTUNGEN

PROCÉDÉ DE PROTECTION DE DÉLESTAGE DES CHARGES DE FRÉQUENCE COORDONNÉE FAISANT APPEL À DES DISPOSITIFS DE PROTECTION ÉLECTRIQUE RÉPARTIS

(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

(30) Priority: 03.02.2018 US 201862625990 P
18.10.2018 US 201816164401

(43) Date of publication of application:
09.12.2020 Bulletin 2020/50

(73) Proprietor: S & C Electric Company
Chicago, IL 60626 (US)

(72) Inventor:
  • MATAMOROS, Joseph
    Chicago, Illinois 60626 (US)

(74) Representative: Barker Brettell LLP 
100 Hagley Road Edgbaston
Birmingham B16 8QQ
Birmingham B16 8QQ (GB)


(56) References cited: : 
US-A- 4 370 609
US-A1- 2007 222 294
US-A1- 2011 245 987
 US-A1- 2007 211 401
US-A1- 2007 239 372
   
  • RUDEZ URBAN ET AL: "Trends in WAMS-based under-frequency load shedding protection", IEEE EUROCON 2017 -17TH INTERNATIONAL CONFERENCE ON SMART TECHNOLOGIES, IEEE, 6 July 2017 (2017-07-06), pages 782-787, XP033143428, DOI: 10.1109/EUROCON.2017.8011217 [retrieved on 2017-08-15]
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  • CEJA-GOMEZ F ET AL: "Under-Frequency Load Shedding Via Integer Programming", IEEE TRANSACTIONS ON POWER SYSTEMS, IEEE SERVICE CENTER, PISCATAWAY, NJ, US, vol. 27, no. 3, 1 August 2012 (2012-08-01) , pages 1387-1394, XP011467749, ISSN: 0885-8950, DOI: 10.1109/TPWRS.2012.2186156
  • SWANSON J O ET AL: "Load Shedding Program in the Pacific Northwest [includes discussion]", TRANSACTIONS OF THE AMERICAN INSTITUTE OF ELECTRICAL ENGINEERS. PART III: POWER APPARATUS AND SYSTEMS, IEEE, U.S.A, vol. 73, no. 2, 1 January 1954 (1954-01-01), XP011512501, ISSN: 0097-2460, DOI: 10.1109/AIEEPAS.1954.4499016
  • HASSAN R ET AL: "Under-Frequency Load Shedding: Towards a smarter smart house with a consumer level controller", SOUTHEASTCON, 2011 PROCEEDINGS OF IEEE, IEEE, 17 March 2011 (2011-03-17), pages 73-78, XP031943029, DOI: 10.1109/SECON.2011.5752909 ISBN: 978-1-61284-739-9
   
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).