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Patents Grants
last 30 patents
Information
Patent Grant
Thyristor valve test system based on cooperation of logical functio...
Patent number
11,009,542
Issue date
May 18, 2021
NR ELECTRIC CO., LTD
Fan Yang
G01 - MEASURING TESTING
Information
Patent Grant
Closing control method for high-voltage direct-current circuit breaker
Patent number
10,944,254
Issue date
Mar 9, 2021
NR ELECTRIC CO., LTD
Wei Shi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Converter valve fault warning method and system
Patent number
10,877,082
Issue date
Dec 29, 2020
NR ELECTRIC CO., LTD
Shengfu Gao
G01 - MEASURING TESTING
Information
Patent Grant
Bridge-type circuit, and direct current breaking device and control...
Patent number
10,454,265
Issue date
Oct 22, 2019
NR ELECTRIC CO., LTD
Dongming Cao
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Direct current switch-off device and control method thereof
Patent number
10,418,803
Issue date
Sep 17, 2019
NR ELECTRIC CO., LTD
Dongming Cao
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Resistor, a heat dissipater and a combinatory device of resistor an...
Patent number
10,381,138
Issue date
Aug 13, 2019
NR ELECTRIC CO., LTD
Taixun Fang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Shell structure for thyristor trigger unit
Patent number
10,237,986
Issue date
Mar 19, 2019
NR ELECTRIC CO., LTD
Chihan Chen
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Thyristor assembly radiator for DC converter valve
Patent number
10,141,243
Issue date
Nov 27, 2018
NR ELECTRIC CO., LTD
Xiang Zhang
H03 - BASIC ELECTRONIC CIRCUITRY
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
Apparatus for breaking line bidirectional current and control metho...
Patent number
9,634,476
Issue date
Apr 25, 2017
NR ELECTRIC CO., LTD
Dongming Cao
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Apparatus for limiting current of line or breaking current, and con...
Patent number
9,362,734
Issue date
Jun 7, 2016
NR ELECTRIC CO., LTD
Yu Wang
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Patents Applications
last 30 patents
Information
Patent Application
THYRISTOR VALVE TEST SYSTEM BASED ON COOPERATION OF LOGICAL FUNCTIO...
Publication number
20200011923
Publication date
Jan 9, 2020
NR ELECTRIC CO., LTD.
Fan YANG
G01 - MEASURING TESTING
Information
Patent Application
Closing Control Method For High-Voltage Direct-Current Circuit Breaker
Publication number
20190190258
Publication date
Jun 20, 2019
NR ELECTRIC CO., LTD.
Wei SHI
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
BRIDGE-TYPE CIRCUIT, AND DIRECT CURRENT BREAKING DEVICE AND CONTROL...
Publication number
20190097411
Publication date
Mar 28, 2019
NR ELECTRIC CO., LTD.
Dongming CAO
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Direct Current Switch-Off Device And Control Method Thereof
Publication number
20190020193
Publication date
Jan 17, 2019
NR ELECTRIC CO., LTD.
Dongming CAO
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
SHELL STRUCTURE FOR THYRISTOR TRIGGER UNIT
Publication number
20180302993
Publication date
Oct 18, 2018
NR ELECTRIC CO., LTD.
Chihan CHEN
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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
THYRISTOR ASSEMBLY RADIATOR FOR DC CONVERTER VALVE
Publication number
20180218965
Publication date
Aug 2, 2018
NR ELECTRIC CO., LTD.
Xiang ZHANG
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
CONVERTER VALVE FAULT WARNING METHOD AND SYSTEM
Publication number
20180196099
Publication date
Jul 12, 2018
Nr. Electric Co., Ltd
Shengfu GAO
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
A RESISTOR, A HEAT DISSIPATER AND A COMBINATORY DEVICE OF RESISTOR...
Publication number
20170278599
Publication date
Sep 28, 2017
NR ELECTRIC CO., LTD.
Taixun FANG
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
APPARATUS FOR BREAKING LINE BIDIRECTIONAL CURRENT AND CONTROL METHO...
Publication number
20170133835
Publication date
May 11, 2017
NR ELECTRIC CO., LTD
Dongming CAO
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
APPARATUS FOR LIMITING CURRENT OF LINE OR BREAKING CURRENT, AND CON...
Publication number
20150372473
Publication date
Dec 24, 2015
NR ELECTRIC CO., LTD
Yu WANG
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER