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Patents Grants
last 30 patents
Information
Patent Grant
Control system and control method for parallel converter system
Patent number
11,355,932
Issue date
Jun 7, 2022
NR ELECTRIC CO., LTD
Nannan Wang
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Redundant energy acquisition circuit of power module, and control m...
Patent number
11,264,891
Issue date
Mar 1, 2022
NR ELECTRIC CO., LTD
Yeyuan Xie
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Bipolar bidirectional DC converter, and control method and control...
Patent number
11,223,291
Issue date
Jan 11, 2022
NR ELECTRIC CO., LTD
Chen Xie
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Direct current voltage coordination control method
Patent number
11,190,020
Issue date
Nov 30, 2021
NR ELECTRIC CO., LTD
Nannan Wang
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Coordinated control method and device for series voltage source con...
Patent number
11,146,071
Issue date
Oct 12, 2021
NR ELECTRIC CO., LTD
Jiang Lu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Fault switch configuration and clearing method in flexible DC conve...
Patent number
10,923,906
Issue date
Feb 16, 2021
NR ELECTRIC CO., LTD
Yu Lu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
On-line input control method, on-line input and quit device for vol...
Patent number
10,797,487
Issue date
Oct 6, 2020
NR Electric Co., Ltd.
Jiang Lu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Charging method for sub-module based hybrid converter
Patent number
10,763,761
Issue date
Sep 1, 2020
NR ELECTRIC CO., LTD
Jiudong Ding
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Reconfigurable MMC sub-module unit and control unit thereof
Patent number
10,523,131
Issue date
Dec 31, 2019
NR ELECTRIC CO., LTD
Gang Li
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Charging method for sub-module based hybrid converter
Patent number
10,483,788
Issue date
Nov 19, 2019
NR ELECTRIC CO., LTD
Jiudong Ding
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Method and system for fault positioning and recovery of voltage sou...
Patent number
10,476,261
Issue date
Nov 12, 2019
NR ELECTRIC CO., LTD
Gang Li
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Fault current limiting control and protection coordination method f...
Patent number
10,461,525
Issue date
Oct 29, 2019
NR ELECTRIC CO., LTD
Zhaoqing Hu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Passive islanding-to-grid-connected switch method
Patent number
10,418,816
Issue date
Sep 17, 2019
NR Electric Co., Ltd.
Yunlong Dong
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Coordination control method of multi-terminal VSC-HVDC transmission...
Patent number
10,396,561
Issue date
Aug 27, 2019
NR ELECTRIC CO., LTD
Yunlong Dong
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Overload current limiting method for voltage source converter
Patent number
10,270,332
Issue date
Apr 23, 2019
NR ELECTRIC CO., LTD
Zhaoqing Hu
G05 - CONTROLLING REGULATING
Information
Patent Grant
Line power control method and system for unified power flow controller
Patent number
10,250,070
Issue date
Apr 2, 2019
NR Electric Co., Ltd.
Jie Tian
G05 - CONTROLLING REGULATING
Information
Patent Grant
Method for inhibiting multiple inverter stations from entering pass...
Patent number
10,218,184
Issue date
Feb 26, 2019
NR Electric Co., Ltd.
Yunlong Dong
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Voltage-source multi-level converter, DC power transmission system,...
Patent number
10,164,428
Issue date
Dec 25, 2018
NR ELECTRIC CO., LTD
Guorong Shen
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Converter valve
Patent number
10,122,292
Issue date
Nov 6, 2018
NR ELECTRIC CO., LTD
Xiang Zhang
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Unified power flow controller for double-circuit line
Patent number
10,033,186
Issue date
Jul 24, 2018
NR Electric Co., Ltd.
Jie Tian
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Direct current (DC) voltage control method and apparatus
Patent number
9,876,393
Issue date
Jan 23, 2018
NR ELECTRIC CO., LTD
Yunlong Dong
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Sub-module distributed control method, device and system
Patent number
9,876,420
Issue date
Jan 23, 2018
NR ELECTRIC CO., LTD
Jiudong Ding
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Patents Applications
last 30 patents
Information
Patent Application
BIPOLAR BIDIRECTIONAL DC CONVERTER, AND CONTROL METHOD AND CONTROL...
Publication number
20210242792
Publication date
Aug 5, 2021
Nr. Electric Co., Ltd
Chen XIE
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
UNIDIRECTIONAL DC VOLTAGE CONVERSION DEVICE AND SYSTEM AND METHOD F...
Publication number
20210242787
Publication date
Aug 5, 2021
Nr. Electric Co., Ltd
Yeyuan XIE
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
COORDINATED CONTROL METHOD AND DEVICE FOR SERIES VOLTAGE SOURCE CON...
Publication number
20210126462
Publication date
Apr 29, 2021
NR ELECTRIC CO., LTD.
Jiang LU
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
REDUNDANT ENERGY ACQUISITION CIRCUIT OF POWER MODULE, AND CONTROL M...
Publication number
20210036600
Publication date
Feb 4, 2021
NR Electric Co., Ltd
Yeyuan XIE
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Direct Current Voltage Coordination Control Method
Publication number
20200366096
Publication date
Nov 19, 2020
NR ELECTRIC CO., LTD
Nannan WANG
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
FAULT SWITCH CONFIGURATION AND CLEARING METHOD IN FLEXIBLE DC CONVE...
Publication number
20200220349
Publication date
Jul 9, 2020
NR ELECTRIC CO., LTD.
Yu LU
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
CHAINED MULTI-PORT GRID-CONNECTED INTERFACE APPARATUS AND CONTROL M...
Publication number
20200220355
Publication date
Jul 9, 2020
NR Electric Co., Ltd
Yeyuan XIE
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
CONTROL SYSTEM AND CONTROL METHOD FOR PARALLEL CONVERTER SYSTEM
Publication number
20200212674
Publication date
Jul 2, 2020
NR Electric Co., Ltd
Nannan WANG
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
CHARGING METHOD FOR SUB-MODULE BASED HYBRID CONVERTER
Publication number
20200076321
Publication date
Mar 5, 2020
NR ELECTRIC CO., LTD.
Jiudong DING
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
CHARGING METHOD FOR SUB-MODULE BASED HYBRID CONVERTER
Publication number
20190326770
Publication date
Oct 24, 2019
NR ELECTRIC CO., LTD.
Jiudong DING
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
FAULT CURRENT LIMITING CONTROL AND PROTECTION COORDINATION METHOD F...
Publication number
20190260201
Publication date
Aug 22, 2019
NR ELECTRIC CO., LTD.
Zhaoqing HU
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
On-Line Input and Quit Control Method and Device for Voltage-Source...
Publication number
20190252885
Publication date
Aug 15, 2019
Jiang Lu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
RECONFIGURABLE MMC SUB-MODULE UNIT AND CONTROL UNIT THEREOF
Publication number
20190173392
Publication date
Jun 6, 2019
NR ELECTRIC CO., LTD.
Gang LI
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
METHOD AND SYSTEM FOR FAULT POSITIONING AND RECOVERY OF VOLTAGE SOU...
Publication number
20190140441
Publication date
May 9, 2019
NR ELECTRIC CO., LTD.
Gang LI
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
OVERLOAD CURRENT LIMITING METHOD FOR VOLTAGE SOURCE CONVERTER
Publication number
20190081551
Publication date
Mar 14, 2019
NR ELECTRIC CO., LTD
Zhaoqing HU
G05 - CONTROLLING REGULATING
Information
Patent Application
CONVERTER VALVE
Publication number
20180262120
Publication date
Sep 13, 2018
NR ELECTRIC CO., LTD.
Xiang ZHANG
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
PASSIVE ISLANDING-TO-GRID-CONNECTED SWITCH METHOD
Publication number
20180219380
Publication date
Aug 2, 2018
Nr. Electric Co., Ltd
Yunlong Dong
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
METHOD FOR INHIBITING MULTIPLE INVERTER STATIONS FROM ENTERING PASS...
Publication number
20170331297
Publication date
Nov 16, 2017
Nr. Electric Co., Ltd
Yunlong Dong
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
SUB-MODULE DISTRIBUTED CONTROL METHOD, DEVICE AND SYSTEM
Publication number
20170317574
Publication date
Nov 2, 2017
NR ELECTRIC CO., LTD.
Jiudong DING
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
LINE POWER CONTROL METHOD AND SYSTEM FOR UNIFIED POWER FLOW CONTROLLER
Publication number
20170199502
Publication date
Jul 13, 2017
Nr. Electric Co., Ltd
Jie Tian
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
UNIFIED POWER FLOW CONTROLLER FOR DOUBLE-CIRCUIT LINE
Publication number
20170098936
Publication date
Apr 6, 2017
Nr. Electric Co., Ltd
Jie Tian
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
VOLTAGE-SOURCE MULTI-LEVEL CONVERTER, DC POWER TRANSMISSION SYSTEM,...
Publication number
20170070047
Publication date
Mar 9, 2017
NR ELECTRIC CO., LTD.
Guorong SHEN
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
DIRECT-CURRENT POWER TRANSMISSION PROTECTION DEVICE, CONVERTER AND...
Publication number
20170047727
Publication date
Feb 16, 2017
NR ELECTRIC CO., LTD.
Dongming Cao
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Coordination control method of multi-terminal VSC-HVDC transmission...
Publication number
20160308359
Publication date
Oct 20, 2016
NR ELECTRIC CO., LTD
Yunlong DONG
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
DIRECT CURRENT (DC) VOLTAGE CONTROL METHOD AND APPARATUS
Publication number
20160226306
Publication date
Aug 4, 2016
NR ELECTRIC CO., LTD
Yunlong DONG
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
SUB-MODULE, PROTECTION UNIT, CONVERTER, AND CONTROL METHOD THEREOF
Publication number
20160126827
Publication date
May 5, 2016
NR ENGINEERING CO., LTD
Yunlong DONG
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER