Fault Location In An Hvdc System - EP3767314

The patent EP3767314 was granted to ABB Power Grids Switzerland on Aug 30, 2023. The application was originally filed on Jul 18, 2019 under application number EP19187156A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3767314

ABB POWER GRIDS SWITZERLAND
Application Number
EP19187156A
Filing Date
Jul 18, 2019
Status
Granted And Under Opposition
Jul 28, 2023
Publication Date
Aug 30, 2023
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.

CompanyOpposition DateRepresentativeOpposition Status

Get instant alerts for new oppositions and patent status changes

GENERAL ELECTRIC TECHNOLOGYMay 30, 2024OPENSHAWADMISSIBLE

Patent Citations (20) New

Patent citations refer to prior patents cited during different phases such as opposition or international search.

Citation PhasePublication Number
DESCRIPTIONCN103744001
DESCRIPTIONEP0360109
DESCRIPTIONEP2510599
DESCRIPTIONEP2706364
OPPOSITIONCN103744001
OPPOSITIONCN106019088
OPPOSITIONCN108845219
OPPOSITIONCN109217269
OPPOSITIONCN109725235
OPPOSITIONCN201993433U
OPPOSITIONEP0360109
OPPOSITIONEP0519249
OPPOSITIONEP2510599
OPPOSITIONEP2706364
OPPOSITIONEP3547486
OPPOSITIONGB1571802
OPPOSITIONJPH01118278
OPPOSITIONWO2011069548
SEARCHGB1571802
SEARCHWO2011069548

Non-Patent Literature (NPL) Citations (17) New

NPL citations refer to non-patent references such as research papers, articles, or other publications cited during examination or opposition phases.

Citation PhaseReference Text
OPPOSITION- Anonymous, "Propagation constant", Wikipedia, (20240412), pages 1 - 6, Wikipedia, URL: https://en.wikipedia.org/w/index.php?title=Propagation_constant&oldid=1218603842, XP093191673
OPPOSITION- Anonymous, "Record notes of the meeting held on 09.05.2018 to discuss and analyze the Frequent trippings at HVDC Champa S/s ", 133rd Protection Committee Meeting (PCM) ; WRPC Mumbai., General Electricity Authority, (20180509), pages 1 (261) - 6 (266), XP093191661
OPPOSITION- Dambhare S K, Tiwari Rajneesh, Rao Srinivasa, Venkatrao N, Amaradeep B, "+/-800kV HVDC Scheme with Dedicated Metallic Return and DMR Line Fault Case Studies", Thirty-fourth National Convention of Electrical Engineers on “Recent Advancement in High Voltage Direct Current (HVDC) Transmission”; November 16-17, 2018, Institution of Engineers (India), (20181116), ISBN 978-81-93840-43-6, pages 55 - 70, XP093191652
OPPOSITION- Leng Yansong, "Comparison of synchronization techniques for generation of firing pulses for a HVDC converter", Thesis, Montreal, Quebec, Canada, Concordia University > Gina Cody School of Engineering and Computer Science > Electrical and Computer Engineering, (20060301), pages 1 - 114, XP093191618
OPPOSITION- Ping Chen ; Bingyin Xu ; Jing Li, "A Traveling Wave Based Fault Locating System for HVDC Transmission Lines", Power System Technology, 2006. PowerCon 2006. International Conference on, IEEE, Pi, Pi , (20061001), ISBN 978-1-4244-0110-9, pages 1 - 4, XP031053529
OPPOSITION- Puneet TYAGI, Vikas Bagadia, Rakesh Kumar, Anish Anand, "Design Challenges for ±800kV, 3000MW HVDC Champa -Kurukshetra Transmission link with Dedicated Metallic Return (DMR) - User’s Perspective", CIGRE 2014; 24th to 29th August, 20214; Paris, France, CIGRE, (20140101), vol. B4, ISBN 978-2-85873-277-7, page 109, XP009556260
OPPOSITION- Steer Michael, North Carolina State University, "MICROWAVE AND RF DESIGN II - TRANSMISSION LINES", MICROWAVE AND RF DESIGN II - TRANSMISSION LINES, North Carolina State University (LibreTexts), (20240131), pages 1 - 289, MICROWAVE AND RF DESIGN II - TRANSMISSION LINES, URL: https://eng.libretexts.org/Bookshelves/Electrical_Engineering/Electronics/Microwave_and_RF_Design_II_-_Transmission_Lines_(Steer), XP093191668
OPPOSITION- Elisabeth N. Abildgaard; Marta Molinas;, "Modelling and Control of the Modular Multilevel Converter (MMC)", Energy Procedia, Elsevier, NL, NL , vol. 20, doi:10.1016/j.egypro.2012.03.023, ISSN 1876-6102, pages 227 - 236, XP028496276
OPPOSITION- Yajie Li; Xiaoli Meng; Xiaohui Song, "Application of signal processing and analysis in detecting single line‐to‐ground (SLG) fault location in high‐impedance grounded distribution network", IET Generation, Transmission&Distribution, IET, UK, UK , (20160201), vol. 10, no. 2, doi:10.1049/iet-gtd.2015.0555, ISSN 1751-8687, pages 382 - 389, XP006102928
OPPOSITION- Yulin CHEN; Jianfeng ZHANG; Xiaoyang YU; Xiaotong ZHU; Jie ZHANG, "A Novel Fault Monitoring and Location System for HVDC Electrode Line", 2018 International Conference on Power System Technology (POWERCON), IEEE, (20181106), doi:10.1109/POWERCON.2018.8601575, pages 2250 - 2256, XP033491835
OPPOSITION- Tzu-Chieh Peng, Dimitrios Tzelepis, Adam Dysko, Ivan Glesk, "Assessment of fault location techniques in voltage source converter based HVDC systems", 2017 IEEE Texas Power and Energy Conference (TPEC), IEEE, (20170201), doi:10.1109/TPEC.2017.7868270, ISBN 978-1-5090-6617-9, pages 1 - 6, XP055691724
OPPOSITION- Kato Y., Kato Y., Watanabe A., Konishi H., Kawai T., Inoue Y., Irokawa H., "Neutral Line Protection System for HVDC Transmission", IEEE transactions on power delivery, IEEE SERVICE CENTER, NEW YORK, NY., US, US , (19860701), vol. 1, no. 3, doi:10.1109/TPWRD.1986.4308010, ISSN 0885-8977, pages 326 - 331, XP093191614
OPPOSITION- Philipp Tunnerhoff, Philipp Ruffing, Armin Schnettler, "Comprehensive Fault Type Discrimination Concept for Bipolar Full-Bridge-Based MMC HVDC Systems with Dedicated Metallic Return", IEEE transactions on power delivery, IEEE SERVICE CENTER, NEW YORK, NY., US, US , (20180201), vol. 33, no. 1, doi:10.1109/TPWRD.2017.2716113, ISSN 0885-8977, pages 330 - 339, XP055508956
OPPOSITION- Xu Peng, Yu Jiang, "Research on the Fault Location Principle for the Earthing Electrode Line of the UHVDC Transmission System", ENERGY AND POWER ENGINEERING, SciRes, US, US , (20130101), vol. 05, no. 04, doi:10.4236/epe.2013.54B227, ISSN 1949-243X, pages 1198 - 1201, XP055662741
OPPOSITION- Tzelepis Dimitrios, "Protection, fault location & control in high voltage multi terminal direct current (HV-MTDC) grids", PhD. Thesis, University of Strathclyde, (20171201), pages 1 - 257, doi:10.48730/82b3-0x34, XP093191616
SEARCH- PHILIPP TUNNERHOFF ET AL, "Comprehensive Fault Type Discrimination Concept for Bipolar Full-Bridge-Based MMC HVDC Systems with Dedicated Metallic Return", IEEE TRANSACTIONS ON POWER DELIVERY., US, (20180228), vol. 33, no. 1, doi:10.1109/TPWRD.2017.2716113, ISSN 0885-8977, pages 330 - 339, XP055508956 [X] 1 * paragraphs [000I] - [00IV] - [ IV.B] , [0VII]; figures 1,3,4,8 * [I] 2-5
SEARCH- XU PENG ET AL, "Research on the Fault Location Principle for the Earthing Electrode Line of the UHVDC Transmission System", ENERGY AND POWER ENGINEERING, US, (20130131), vol. 05, no. 04, doi:10.4236/epe.2013.54B227, ISSN 1949-243X, pages 1198 - 1201, XP055662741 [A] 1-5 * the whole document *

Download Citation Report

Get a free citation report including examiner, opposition, and international search citations.

Get Citation Report

Dossier Documents

The dossier documents provide a comprehensive record of the patent’s prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent’s legal journey and any challenges it may have faced during examination.

  • Date

    Description

  • Get instant alerts for new documents