Junhong Qiu

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Xuchang, CN

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Patents Grantslast 30 patents

Information Patent Grant
Method of differential protection in the power distribution network...
- Patent number 10,082,816
- Issue date Sep 25, 2018
- XJ Group Corporation
- Qiang Niu
- G05 - CONTROLLING REGULATING
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

Patents Applicationslast 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
METHOD OF DIFFERENTIAL PROTECTION IN THE POWER DISTRIBUTION NETWORK...
- Publication number 20170038785
- Publication date Feb 9, 2017
- XJ GROUP CORPORATION
- Qiang Niu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER