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Ying Jiang Hafner

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  • Ludvika, SE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Modular MMC phase arm and control thereof
    • Patent number 12,212,248
    • Issue date Jan 28, 2025
    • HITACHI ENERGY LTD
    • Jimmy Öhman
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Energy supporting device
    • Patent number 12,119,655
    • Issue date Oct 15, 2024
    • HITACHI ENERGY LTD
    • Ying-Jiang Hafner
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    System design solution for DC grid cost reduction and risk minimiza...
    • Patent number 11,355,925
    • Issue date Jun 7, 2022
    • Hitachi Energy Switzerland AG
    • Ying-Jiang Hafner
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Electric power converter
    • Patent number 7,321,500
    • Issue date Jan 22, 2008
    • ABB Technology Ltd.
    • Gunnar Asplund
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

  • Information Patent Application

    METHOD FOR CONTROLLING OPERATION OF A CELL IN AN MMC
    • Publication number 20250007426
    • Publication date Jan 2, 2025
    • Hitachi Energy Ltd
    • Ying-Jiang HAFNER
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    ENERGY SUPPORTING DEVICE
    • Publication number 20240380211
    • Publication date Nov 14, 2024
    • Hitachi Energy Ltd
    • Ying-Jiang HAFNER
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    ENERGY SUPPORTING DEVICE
    • Publication number 20240266834
    • Publication date Aug 8, 2024
    • Hitachi Energy Ltd
    • Ying-Jiang HAFNER
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    MODULE COMPRISING A SWITCHABLE BYPASS DEVICE
    • Publication number 20230411503
    • Publication date Dec 21, 2023
    • Hitachi Energy Switzerland AG
    • Jan VOBECKY
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    MODULAR MULTI-LEVEL CONVERTER WITH SEVERAL CELL GROUP CONTROLLERS P...
    • Publication number 20230344363
    • Publication date Oct 26, 2023
    • Hitachi Energy Switzerland AG
    • Jimmy ÖHMAN
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    System Design Solution for DC Grid Cost Reduction and Risk Minimiza...
    • Publication number 20200373755
    • Publication date Nov 26, 2020
    • ABB Power Grids Switzerland AG
    • Ying-Jiang Hafner
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Electric power converter
    • Publication number 20060256587
    • Publication date Nov 16, 2006
    • ABB Technology Ltd.
    • Gunnar Asplund
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...