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Jiangsu, CN
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Patents Grants
last 30 patents
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
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
Patents Applications
last 30 patents
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