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Patents Grants
last 30 patents
Information
Patent Grant
Power grid
Patent number
12,244,218
Issue date
Mar 4, 2025
HITACHI ENERGY LTD
ChunMing Yuan
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Flexible interconnection device and method for controlling a flexib...
Patent number
11,984,725
Issue date
May 14, 2024
HITACHI ENERGY LTD
He Liu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
UHVDC converter transformer re-usage for LCC to VSC upgrade
Patent number
11,894,684
Issue date
Feb 6, 2024
HITACHI ENERGY LTD
Mats Andersson
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Modularized DC interconnection device and system thereof
Patent number
11,876,367
Issue date
Jan 16, 2024
ABB Schweiz AG
Chunming Yuan
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Power converter and control method therefor
Patent number
11,863,082
Issue date
Jan 2, 2024
ABB Schweiz AG
Xiaobo Yang
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Modularized interconnection device and system thereof
Patent number
11,277,006
Issue date
Mar 15, 2022
Hitachi Energy Switzerland AG
Xing Huang
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Transformer isolation response using direct current link
Patent number
11,031,773
Issue date
Jun 8, 2021
ABB Power Grids Switzerland AG
Jiuping Pan
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Method, system and apparatus for operating a hydraulic turbine
Patent number
10,941,750
Issue date
Mar 9, 2021
ABB Schweiz AG
Xiaobo Yang
F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information
Patent Grant
Bidirectional power valve and control method therefor and hybrid mu...
Patent number
10,861,657
Issue date
Dec 8, 2020
ABB Power Grids Switzerland AG
Xiaobo Yang
G05 - CONTROLLING REGULATING
Information
Patent Grant
Feeder line fault response using direct current interconnection system
Patent number
10,819,112
Issue date
Oct 27, 2020
ABB Schweiz AG
Jiuping Pan
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
System for charging battery of electric vehicle including a control...
Patent number
10,179,515
Issue date
Jan 15, 2019
ABB Schweiz AG
Dawei Yao
B60 - VEHICLES IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
POWER CONTROL OF A PLURALITY OF POWER CONVERTERS
Publication number
20250088094
Publication date
Mar 13, 2025
Hitachi Energy Ltd
ChunMing YUAN
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
POWER CONTROL OF A POWER CONVERTER BASED ON A VARIABLE MODULATION F...
Publication number
20250023480
Publication date
Jan 16, 2025
Hitachi Energy Ltd
ChunMing YUAN
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
POWER GRID
Publication number
20230352934
Publication date
Nov 2, 2023
Hitachi Energy Switzerland AG
Peter Steimer
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Power Grid
Publication number
20230318435
Publication date
Oct 5, 2023
Hitachi Energy Switzerland AG
ChunMing Yuan
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Flexible Interconnection Device and Method for Controlling a Flexib...
Publication number
20220385071
Publication date
Dec 1, 2022
Hitachi Energy Switzerland AG
He Liu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
MODULARIZED DC INTERCONNECTION DEVICE AND SYSTEM THEREOF
Publication number
20220149617
Publication date
May 12, 2022
ABB Schweiz AG
Chunming Yuan
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
POWER CONVERTER AND CONTROL METHOD THEREFOR
Publication number
20220123662
Publication date
Apr 21, 2022
ABB Schweiz AG
Xiaobo Yang
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Modularized Interconnection Device and System Thereof
Publication number
20210391717
Publication date
Dec 16, 2021
ABB Power Grids Switzerland AG
Xing Huang
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
FEEDER LINE FAULT RESPONSE USING DIRECT CURRENT INTERCONNECTION SYSTEM
Publication number
20200343727
Publication date
Oct 29, 2020
Jiuping Pan
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
UHVDC Converter Transformer Re-Usage for LCC to VSC Upgrade
Publication number
20200313571
Publication date
Oct 1, 2020
ABB Power Grids Switzerland AG
Mats Andersson
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
TRANSFORMER ISOLATION RESPONSE USING DIRECT CURRENT LINK
Publication number
20200313423
Publication date
Oct 1, 2020
Jiuping Pan
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
BIDIRECTIONAL POWER VALVE AND CONTROL METHOD THEREFOR AND HYBRID MU...
Publication number
20190267198
Publication date
Aug 29, 2019
ABB Schweiz AG
Xiaobo Yang
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Method, system and apparatus for operating a hydraulic turbine
Publication number
20190078548
Publication date
Mar 14, 2019
ABB Schweiz AG
Xiaobo Yang
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
SYSTEM FOR CHARGING BATTERY OF ELECTRIC VEHICLE
Publication number
20160362012
Publication date
Dec 15, 2016
ABB Technology Ltd.
Dawei Yao
B60 - VEHICLES IN GENERAL
Information
Patent Application
VOLTAGE BALANCING CONTROL METHOD FOR MODULAR MULTILEVEL CONVERTER
Publication number
20140002048
Publication date
Jan 2, 2014
CHINA ELECTRIC POWER RESEARCH INSTITUTE
Hui Pang
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER