(19)
(11) EP 3 407 455 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:
22.12.2021 Bulletin 2021/51

(45) Mention of the grant of the patent:
10.11.2021 Bulletin 2021/45

(21) Application number: 17762406.1

(22) Date of filing: 19.01.2017
(51) International Patent Classification (IPC): 
H02J 3/36(2006.01)
H02M 7/483(2007.01)
H02M 1/32(2007.01)
H02M 5/458(2006.01)
(52) Cooperative Patent Classification (CPC):
H02M 5/4585; Y02E 60/60; H02M 7/483; H02J 3/36; H02M 1/32; H02M 7/4835; H02M 1/325
(86) International application number:
PCT/CN2017/071657
(87) International publication number:
WO 2017/152720 (14.09.2017 Gazette 2017/37)

(54)

METHOD AND APPARATUS FOR CONTROLLING HYBRID DIRECT-CURRENT TRANSMISSION SYSTEM

VERFAHREN UND VORRICHTUNG ZUR STEUERUNG EINES HYBRIDEN GLEICHSTROMÜBERTRAGUNGSSYSTEMS

PROCÉDÉ ET APPAREIL SERVANT À COMMANDER UN SYSTÈME DE TRANSMISSION DE COURANT CONTINU HYBRIDE


(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: 10.03.2016 CN 201610135189

(43) Date of publication of application:
28.11.2018 Bulletin 2018/48

(73) Proprietors:
  • NR Electric Co., Ltd.
    Nanjing, Jiangsu 211102 (CN)
  • NR Engineering Co., Ltd.
    Nanjing, Jiangsu 211102 (CN)

(72) Inventors:
  • ZHAO, Wenqiang
    Nanjing Jiangsu 211102 (CN)
  • WANG, Nannan
    Nanjing Jiangsu 211102 (CN)
  • WANG, Yongping
    Nanjing Jiangsu 211102 (CN)
  • LU, Jiang
    Nanjing Jiangsu 211102 (CN)
  • BAI, Chuanjun
    Nanjing Jiangsu 211102 (CN)
  • LU, Yu
    Nanjing Jiangsu 211102 (CN)

(74) Representative: Thoma, Michael 
Lorenz Seidler Gossel Rechtsanwälte Patentanwälte Partnerschaft mbB
Widenmayerstraße 23 80538 München
Widenmayerstraße 23 80538 München (DE)


(56) References cited: : 
CN-A- 103 701 145
CN-A- 104 218 573
CN-A- 104 852 401
CN-A- 105 762 824
CN-A- 103 701 145
CN-A- 104 795 834
CN-A- 104 917 415
US-A1- 2015 155 716
   
  • SAI PRASANNA P ET AL: "A review on circulating current suppression control, capacitor voltage balancing and fault analysis of modular multilevel converters", 2015 INTERNATIONAL CONFERENCE ON ELECTRICAL, ELECTRONICS, SIGNALS, COMMUNICATION AND OPTIMIZATION (EESCO), IEEE, 24 January 2015 (2015-01-24), pages 1-6, XP033200100, DOI: 10.1109/EESCO.2015.7253622 ISBN: 978-1-4799-7676-8 [retrieved on 2015-09-09]
  • OMAR KOTB ET AL: "A hybrid HVDC transmission system supplying a passive load", ELECTRIC POWER AND ENERGY CONFERENCE (EPEC), 2010 IEEE, IEEE, PISCATAWAY, NJ, USA, 25 August 2010 (2010-08-25), pages 1-5, XP031856880, ISBN: 978-1-4244-8186-6
  • YU , FENG et al.: "A Fast Voltage Balancing Control Method for Modular Multilevel Converter", PROCEEDINGS OF THE CSEE, vol. 35, no. 4, 20 February 2015 (2015-02-20), page 930, XP011072627, ISSN: 0258-8013
   
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).