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System And Method For Controlling Dc Link Voltage Of A Power Converter For Doubly-Fed Induction Generators - EP3214719

The patent EP3214719 was granted to General Electric on Jan 23, 2019. The application was originally filed on Feb 22, 2017 under application number EP17157474A. The patent is currently recorded with a legal status of "Revoked".

EP3214719

GENERAL ELECTRIC
Application Number
EP17157474A
Filing Date
Feb 22, 2017
Status
Revoked
Sep 3, 2021
Grant Date
Jan 23, 2019
External Links
Slate, Register, Google Patents

Patent Summary

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Patent Family

Patent Oppositions (3)

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CompanyOpposition DateRepresentativeOpposition Status

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CONVERTERTEC DEUTSCHLANDOct 23, 2019COHAUSZ & FLORACKADMISSIBLE
NORDEX ENERGYOct 23, 2019HAUCKADMISSIBLE
NORDEX ENERGYOct 23, 2019HAUCK PATENTANWALTSPARTNERSCHAFT MBBADMISSIBLE

Patent Citations (18) New

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

Citation PhasePublication NumberPublication Link
OPPOSITIONDE102006053367
OPPOSITIONEP1921738
OPPOSITIONEP2662561
OPPOSITIONEP3214719
OPPOSITIONUS8664788
OPPOSITIONUS8759995
OPPOSITIONWO2005027301
OPPOSITIONWO2013111172
OPPOSITIONWO2013144242
SEARCHEP2296257
SEARCHGB2331858
SEARCHUS2008001411
SEARCHUS2010133831
SEARCHUS2010140939
SEARCHUS2011140438
SEARCHUS2013181450
SEARCHWO2014194464
SEARCHWO9311604

Non-Patent Literature (NPL) Citations (3) New

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

Citation PhaseReference TextLink
OPPOSITION- Changjin Liu; Xiaobo Huang; Min Chen; Dehong Xu, "Flexible Control of DC-Link Voltage for Doubly Fed Induction Generator during Grid Voltage Swell", Energy Conversion Congress and Exposition (ECCE), 2010 IEEE,, (20100000), pages 3091 - 3095, XP031787600-
OPPOSITION- LIU CHANGJIN et al., "Flexible Control of DC-link Voltage for Doubly Fed Induction Generator during Grid Voltage Swell", Energy Conversion Congress and Exposition (ECCE), 2010 IEEE,, (20101101), pages 3091 - 3095, XP031787600-
OPPOSITION- Anca D. Hansen, "4. Generators and Power Electronics for Wind Turbines", Anca D. Hansen, THOMAS ACKERMANN, WIND POWER IN POWER SYSTEMS, John Wiley & Sons, Ltd.,, (20050000), pages 2pp, 53 - 69, XP055652301

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Dossier Documents

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