Qianjin Liu

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Fast power swing unblocking method and apparatus for distance prote...
- Patent number 9,496,706
- Issue date Nov 15, 2016
- ABB Research Ltd.
- Bin Su
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method and apparatus for fault identification in a power tansmissio...
- Patent number 8,680,873
- Issue date Mar 25, 2014
- ABB Research Ltd.
- Ying Yang
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method and device for supervising secondary circuit of instrument t...
- Patent number 8,649,131
- Issue date Feb 11, 2014
- ABB Research Ltd.
- Bin Su
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND DEVICE FOR SUPERVISING SECONDARY CIRCUIT OF INSTRUMENT T...
- Publication number 20110188159
- Publication date Aug 4, 2011
- ABB Research Ltd.
- Bin Su
- G01 - MEASURING TESTING
Information Patent Application
FAST POWER SWING UNBLOCKING METHOD AND APPARATUS FOR DISTANCE PROTE...
- Publication number 20110166720
- Publication date Jul 7, 2011
- ABB Research Ltd.
- Bin Su
- G01 - MEASURING TESTING
Information Patent Application
METHOD AND SYSTEM FOR REARRANGING SOUND CONDUCTORS IN PARALLEL LINE...
- Publication number 20110163614
- Publication date Jul 7, 2011
- ABB Research Ltd.
- Jianzhong Fan
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
METHOD AND APPARATUS FOR FAULT IDENTIFICATION IN A POWER TANSMISSIO...
- Publication number 20110148430
- Publication date Jun 23, 2011
- ABB RESEARCH LTD.
- Ying Yang
- G01 - MEASURING TESTING