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Xuchang, CN
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Patents Grants
last 30 patents
Information
Patent Grant
Method of preventing misoperations about a relay protection device...
Patent number
9,904,588
Issue date
Feb 27, 2018
XJ Group Corporation
Leitao Wang
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Differential protection method for bridge circuit in current conver...
Patent number
9,667,131
Issue date
May 30, 2017
XJ Group Corporation
Xing Liu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Patents Applications
last 30 patents
Information
Patent Application
METHOD OF PREVENTING MISOPERATIONS ABOUT A RELAY PROTECTION DEVICE...
Publication number
20170060670
Publication date
Mar 2, 2017
XJ GROUP CORPORATION
Leitao Wang
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
DIFFERENTIAL PROTECTION METHOD FOR BRIDGE CIRCUIT IN CURRENT CONVER...
Publication number
20170005569
Publication date
Jan 5, 2017
XJ GROUP CORPORATION
Xing Liu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
RAPID ONLINE DIAGNOSIS METHOD OF OPEN-CIRCUIT FAULT FOR HIGH-POWER...
Publication number
20170003334
Publication date
Jan 5, 2017
XJ GROUP CORPORATION
Xing Liu
G01 - MEASURING TESTING