Youyi Li

Person

Beijing, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Voltage based method for fault identification in a transmission lin...
- Patent number 10,416,221
- Issue date Sep 17, 2019
- ABB Schweiz AG
- Ying Yang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method for identifying the fault by current differential protection...
- Patent number 10,393,810
- Issue date Aug 27, 2019
- ABB Schweiz AG
- Youyi Li
- G01 - MEASURING TESTING
Information Patent Grant
Method for detecting fault and current differential protection syst...
- Patent number 9,899,830
- Issue date Feb 20, 2018
- ABB Schweiz AG
- Youyi Li
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method and apparatus for detecting communication channel delay asym...
- Patent number 9,042,412
- Issue date May 26, 2015
- ABB Technology Ltd.
- Bin Su
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Synchronization method for current differential protection
- Patent number 8,791,730
- Issue date Jul 29, 2014
- ABB Research Ltd.
- Youyi Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for detecting network asymmetrical status and asymmetrical c...
- Patent number 8,526,333
- Issue date Sep 3, 2013
- ABB Research Ltd.
- Youyi Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
A METHOD FOR DETECTING FAULT AND CURRENT DIFFERENTIAL PROTECTION SY...
- Publication number 20160006240
- Publication date Jan 7, 2016
- ABB Technology Ltd.
- YOUYI LI
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
METHOD FOR IDENTIFYING THE FAULT BY CURRENT DIFFERENTIAL PROTECTION...
- Publication number 20150160297
- Publication date Jun 11, 2015
- ABB Technology Ltd.
- Youyi Li
- G01 - MEASURING TESTING
Information Patent Application
VOLTAGE BASED METHOD FOR FAULT IDENTIFICATION IN A TRANSMISSION LIN...
- Publication number 20130317768
- Publication date Nov 28, 2013
- ABB Technology Ltd.
- Ying Yang
- G01 - MEASURING TESTING
Information Patent Application
SYNCHRONIZATION METHOD FOR CURRENT DIFFERENTIAL PROTECTION
- Publication number 20130181755
- Publication date Jul 18, 2013
- ABB Research Ltd.
- Youyi Li
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Method and Apparatus for Ground Distance Protection
- Publication number 20120206149
- Publication date Aug 16, 2012
- ABB Research Ltd.
- Bin Su
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Method and Apparatus for Detecting Communication Channel Delay Asym...
- Publication number 20120147941
- Publication date Jun 14, 2012
- ABB Research Ltd.
- Bin Su
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method for Detecting Network Asymmetrical Status and Asymmetrical C...
- Publication number 20110286361
- Publication date Nov 24, 2011
- ABB Research Ltd.
- Youyi Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Person

Patents Grantslast 30 patents

Voltage based method for fault identification in a transmission lin...

Method for identifying the fault by current differential protection...

Method for detecting fault and current differential protection syst...

Method and apparatus for detecting communication channel delay asym...

Synchronization method for current differential protection

Method for detecting network asymmetrical status and asymmetrical c...

Patents Applicationslast 30 patents

A METHOD FOR DETECTING FAULT AND CURRENT DIFFERENTIAL PROTECTION SY...

METHOD FOR IDENTIFYING THE FAULT BY CURRENT DIFFERENTIAL PROTECTION...

VOLTAGE BASED METHOD FOR FAULT IDENTIFICATION IN A TRANSMISSION LIN...

SYNCHRONIZATION METHOD FOR CURRENT DIFFERENTIAL PROTECTION

Method and Apparatus for Ground Distance Protection

Method and Apparatus for Detecting Communication Channel Delay Asym...

Method for Detecting Network Asymmetrical Status and Asymmetrical C...