and taking into account saturation of current transformers

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H02H3/283

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HELECTRICITY H02Electric power H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS H02H3/00Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection integrated protection

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H02H3/283and taking into account saturation of current transformers

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Patents Grantslast 30 patents

Information Patent Grant
System and method for restraining differential bias
- Patent number 12,149,063
- Issue date Nov 19, 2024
- SCHNEIDER ELECTRIC (AUSTRALIA) PTY LTD.
- Ian David Young
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Differential protection method in an electrical power supply system...
- Patent number 10,871,513
- Issue date Dec 22, 2020
- Siemens Aktiengesellschaft
- Frank Mieske
- G01 - MEASURING TESTING
Information Patent Grant
Differential protection method, device and system for monitoring a...
- Patent number 10,862,291
- Issue date Dec 8, 2020
- Siemens Aktiengesellschaft
- Torsten Kerger
- G01 - MEASURING TESTING
Information Patent Grant
Method for preventing differential protection maloperation of optic...
- Patent number 10,622,804
- Issue date Apr 14, 2020
- XJ GROUP CORPORATION
- Baowei Li
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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 and control device for current differential protection
- Patent number 10,243,351
- Issue date Mar 26, 2019
- ABB Schweiz AG
- Ivo Brncic
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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
Current saturation detection and clamping circuit and method
- Patent number 9,124,094
- Issue date Sep 1, 2015
- Semiconductor Components Industries, LLC
- Riley D. Beck
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Differential protection in electrical power networks
- Patent number 9,106,076
- Issue date Aug 11, 2015
- ABB Technology AG
- Mika Tausa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
System and method for protecting an electrical power grid
- Patent number 8,884,467
- Issue date Nov 11, 2014
- ABB Technology AG
- Bertil Lundqvist
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Current differential replay apparatus
- Patent number 8,861,153
- Issue date Oct 14, 2014
- Kabushiki Kaisha Toshiba
- Takahiro Kase
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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
System, apparatus and method for compensating the sensitivity of a...
- Patent number 7,660,088
- Issue date Feb 9, 2010
- Schweitzer Engineering Laboratories, Inc.
- Joseph B. Mooney
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electrical bus protection method & apparatus
- Patent number 7,199,991
- Issue date Apr 3, 2007
- Nxt Phase T & D Corporation
- David J. Fedirchuk
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Current compensation method and device for power system protection
- Patent number 7,002,784
- Issue date Feb 21, 2006
- ABB AB
- Jianping Wang
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Procedure for producing an initiation signal after the current diff...
- Patent number 6,842,319
- Issue date Jan 11, 2005
- Siemens Aktiengesellschaft
- Hartmut Mahnert
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method of statistically balancing current transformer measurements...
- Patent number 6,559,652
- Issue date May 6, 2003
- Alstom
- Jean-Jacques Carrillo
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method and device for power system protection
- Patent number 6,501,631
- Issue date Dec 31, 2002
- ABB AB
- Jianping Wang
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Differential protective relay for electrical buses with improved im...
- Patent number 6,442,010
- Issue date Aug 27, 2002
- General Electric Company
- Bogdan Z. Kasztenny
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Restraint-type differential relay
- Patent number 6,341,055
- Issue date Jan 22, 2002
- Schweitzer Engineering Laboratories, Inc.
- Armando Guzman-Casillas
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Current differential protection arrangement
- Patent number 5,808,844
- Issue date Sep 15, 1998
- Siemens Aktiengesellschaft
- Ludwig Schiel
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method and device for preventing understabilization of longitudinal...
- Patent number 5,367,425
- Issue date Nov 22, 1994
- Asea Brown Boveri AB
- Murari M. Saha
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method for protecting an electric object to be protected
- Patent number 4,951,170
- Issue date Aug 21, 1990
- ASEA Brown Boveri Ltd.
- Wilhelm Fromm
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Digital calculation type differential relay
- Patent number 4,825,326
- Issue date Apr 25, 1989
- Kabushiki Kaisha Toshiba
- Fumio Andow
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Protective relay for an electric power system including decision-ma...
- Patent number 4,689,710
- Issue date Aug 25, 1987
- Mitsubishi Denki Kabushiki Kaisha
- Toshio Anzai
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Differential-type protective relay
- Patent number 4,670,811
- Issue date Jun 2, 1987
- Mitsubishi Denki Kabushiki Kaisha
- Nobuo Eda
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Bus differential relay
- Patent number 4,623,949
- Issue date Nov 18, 1986
- Westinghouse Electric Corp.
- Seymour Salowe
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Current ratio-differential relay
- Patent number 4,530,025
- Issue date Jul 16, 1985
- Mitsubishi Denki Kabushiki Kaisha
- Masaji Usui
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Differential protective relay
- Patent number 4,502,086
- Issue date Feb 26, 1985
- Mitsubishi Denki Kabushiki Kaisha
- Toshinobu Ebisaka
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Differential protection circuitry for electrical devices
- Patent number 4,237,512
- Issue date Dec 2, 1980
- Asea Aktiebolag
- Thorleif Forford
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
SYSTEM AND METHOD FOR RESTRAINING DIFFERENTIAL BIAS
- Publication number 20240106225
- Publication date Mar 28, 2024
- Schneider Electric (Australia) Pty Ltd
- Ian David Young
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
DIFFERENTIAL PROTECTION METHOD, DIFFERENTIAL PROTECTIVE DEVICE AND...
- Publication number 20190067928
- Publication date Feb 28, 2019
- Siemens Aktiengesellschaft
- TORSTEN KERGER
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Technique For Lowering Inrush Current To An Uninterruptible Power S...
- Publication number 20180331569
- Publication date Nov 15, 2018
- VERTIV SRL
- Stefano PECORARI
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
METHOD FOR PREVENTING DIFFERENTIAL PROTECTION MALOPERATION OF OPTIC...
- Publication number 20170163024
- Publication date Jun 8, 2017
- XJ GROUP CORPORATION
- Baowei Li
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
CURRENT SATURATION DETECTION AND CLAMPING CIRCUIT AND METHOD
- Publication number 20140268435
- Publication date Sep 18, 2014
- Semiconductor Components Industries, LLC
- Riley D. Beck
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
System And Method For Protecting An Electrical Power Grid
- Publication number 20140063669
- Publication date Mar 6, 2014
- Bertil Lundqvist
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
DIFFERENTIAL PROTECTION IN ELECTRICAL POWER NETWORKS
- Publication number 20140002937
- Publication date Jan 2, 2014
- Mika TAUSA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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
CURRENT DIFFERENTIAL REPLAY APPARATUS
- Publication number 20130120888
- Publication date May 16, 2013
- Kabushiki Kaisha Toshiba
- Takahiro Kase
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
FUZZY INTERFERENCE RELAY AND METHOD FOR CURRENT DIFFERENTIAL PROTEC...
- Publication number 20120224287
- Publication date Sep 6, 2012
- Schneider Electric Energy UK Ltd.
- Waldemar Rebizant
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
System, apparatus and method for compensating the sensitivity of a...
- Publication number 20070070565
- Publication date Mar 29, 2007
- Schweitzer Engineering Laboratories, Inc.
- Gabriel Benmouyal
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Current compensation method and device for power system protection
- Publication number 20040090728
- Publication date May 13, 2004
- Jianping Wang
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Electrical bus protection method & apparatus
- Publication number 20040057175
- Publication date Mar 25, 2004
- David J. Fedirchuk
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Distributed bus differential relay system
- Publication number 20030223167
- Publication date Dec 4, 2003
- Eric A. Udren
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Method and device for power system protection
- Publication number 20030107381
- Publication date Jun 12, 2003
- Jianping Wang
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Method for generating a trigger signal according to the current dif...
- Publication number 20020161485
- Publication date Oct 31, 2002
- Hartmut Mahnert
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Method of statistically balancing current transformer measurements...
- Publication number 20020060562
- Publication date May 23, 2002
- ALSTOM
- Jean-Jacques Carrillo.
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

and taking into account saturation of current transformers

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

System and method for restraining differential bias

Differential protection method in an electrical power supply system...

Differential protection method, device and system for monitoring a...

Method for preventing differential protection maloperation of optic...

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

Method and control device for current differential protection

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

Current saturation detection and clamping circuit and method

Differential protection in electrical power networks

System and method for protecting an electrical power grid

Current differential replay apparatus

Synchronization method for current differential protection

System, apparatus and method for compensating the sensitivity of a...

Electrical bus protection method & apparatus

Current compensation method and device for power system protection

Procedure for producing an initiation signal after the current diff...

Method of statistically balancing current transformer measurements...

Method and device for power system protection

Differential protective relay for electrical buses with improved im...

Restraint-type differential relay

Current differential protection arrangement

Method and device for preventing understabilization of longitudinal...

Method for protecting an electric object to be protected

Digital calculation type differential relay

Protective relay for an electric power system including decision-ma...

Differential-type protective relay

Bus differential relay

Current ratio-differential relay

Differential protective relay

Differential protection circuitry for electrical devices

Patents Applicationslast 30 patents

SYSTEM AND METHOD FOR RESTRAINING DIFFERENTIAL BIAS

DIFFERENTIAL PROTECTION METHOD, DIFFERENTIAL PROTECTIVE DEVICE AND...

Technique For Lowering Inrush Current To An Uninterruptible Power S...

METHOD FOR PREVENTING DIFFERENTIAL PROTECTION MALOPERATION OF OPTIC...

CURRENT SATURATION DETECTION AND CLAMPING CIRCUIT AND METHOD

System And Method For Protecting An Electrical Power Grid

DIFFERENTIAL PROTECTION IN ELECTRICAL POWER NETWORKS

SYNCHRONIZATION METHOD FOR CURRENT DIFFERENTIAL PROTECTION

CURRENT DIFFERENTIAL REPLAY APPARATUS

FUZZY INTERFERENCE RELAY AND METHOD FOR CURRENT DIFFERENTIAL PROTEC...

System, apparatus and method for compensating the sensitivity of a...

Current compensation method and device for power system protection

Electrical bus protection method & apparatus

Distributed bus differential relay system

Method and device for power system protection

Method for generating a trigger signal according to the current dif...

Method of statistically balancing current transformer measurements...