taking into account saturation of current transformers

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CPC
H02H7/0455

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HELECTRICITY H02Electric power H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS H02H7/00Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions

Current Industry

H02H7/0455taking into account saturation of current transformers

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Differential protection using instrument transformer signal transdu...
- Patent number 12,244,135
- Issue date Mar 4, 2025
- Schweitzer Engineering Laboratories, Inc.
- Marcos A. Donolo
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power grid protection via transformer neutral blocking systems and...
- Patent number 11,984,720
- Issue date May 14, 2024
- TechHold LLC
- David Anderson
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power converter and control method thereof
- Patent number 11,777,417
- Issue date Oct 3, 2023
- Delta Electronics, Inc.
- Misha Kumar
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power converter and control method thereof
- Patent number 11,594,976
- Issue date Feb 28, 2023
- Delta Electronics, Inc.
- Misha Kumar
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power grid protection via transformer neutral blocking systems and...
- Patent number 11,469,590
- Issue date Oct 11, 2022
- Emprimus, LLC
- David Anderson
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Apparatus and method for controlling circuit breaker for static syn...
- Patent number 10,923,914
- Issue date Feb 16, 2021
- HYOSUNG HEAVY INDUSTRIES CORPORATION
- Jae Keun No
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
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 and differential protection device f...
- Patent number 10,530,146
- Issue date Jan 7, 2020
- Siemens Aktiengesellschaft
- Frank Mieske
- G01 - MEASURING TESTING
Information Patent Grant
Pre-magnetizing a transformer connected to a modular multilevel pow...
- Patent number 10,305,274
- Issue date May 28, 2019
- Robert Turner
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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
Magnetizing inrush current suppression device
- Patent number 9,704,664
- Issue date Jul 11, 2017
- Kabushiki Kaisha Toshiba
- Tadashi Koshizuka
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Transformer inrush current restraining control equipment
- Patent number 9,252,589
- Issue date Feb 2, 2016
- Kodensya Co., Ltd.
- Toshiyasu Kai
- 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
Sensing and control electronics for a power grid protection system
- Patent number 8,537,508
- Issue date Sep 17, 2013
- Emprimus, LLC
- Frederick R. Faxvog
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method and system for through fault detection in electrical devices
- Patent number 8,451,574
- Issue date May 28, 2013
- ABB Technology AG
- Ratan Das
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Transformer inrush current detector
- Patent number 7,738,221
- Issue date Jun 15, 2010
- Cooper Technologies Company
- Ljubomir A. Kojovic
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electrical protection system
- Patent number 6,940,702
- Issue date Sep 6, 2005
- McGraw-Edison Company
- Ljubomir A. Kojovic
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Relaying method for protecting transformers
- Patent number 6,731,481
- Issue date May 4, 2004
- Xelpower Co., Ltd.
- Yong Cheol Kang
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Magnetizing inrush restraint method and relay for protection of pow...
- Patent number 6,483,680
- Issue date Nov 19, 2002
- General Electric Co.
- Ara Kulidjian
- 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
Transformer differential relay
- Patent number 5,627,712
- Issue date May 6, 1997
- General Electric Company
- Stanley B. Wilkinson
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Microprocessor-based digital protective relay for power transformers
- Patent number 5,172,329
- Issue date Dec 15, 1992
- Azizur M. Rahman
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Transformer differential relay with speed-up apparatus
- Patent number 4,704,653
- Issue date Nov 3, 1987
- Westinghouse Electric Corp.
- Hung J. Li
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
2863100
- Patent number 2,863,100
- Issue date Dec 2, 1958
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
2246816
- Patent number 2,246,816
- Issue date Jun 24, 1941
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND APPARATUS FOR DIFFERENTIAL PROTECTION OF PROTECTION SECT...
- Publication number 20250047092
- Publication date Feb 6, 2025
- Schneider Electric Industries SAS
- Wansen Du
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
DIFFERENTIAL PROTECTION USING INSTRUMENT TRANSFORMER SIGNAL TRANSDU...
- Publication number 20230170685
- Publication date Jun 1, 2023
- Schweitzer Engineering Laboratories, Inc.
- Marcos A. Donolo
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
POWER GRID PROTECTION VIA TRANSFORMER NEUTRAL BLOCKING SYSTEMS AND...
- Publication number 20210075213
- Publication date Mar 11, 2021
- TechHold, LLC
- DAVID ANDERSON
- G01 - MEASURING TESTING
Information Patent Application
POWER GRID PROTECTION VIA TRANSFORMER NEUTRAL BLOCKING SYSTEMS AND...
- Publication number 20200106262
- Publication date Apr 2, 2020
- Emprimus, LLC
- DAVID ANDERSON
- G01 - MEASURING TESTING
Information Patent Application
APPARATUS AND METHOD FOR CONTROLLING CIRCUIT BREAKER FOR STATIC SYN...
- Publication number 20190027934
- Publication date Jan 24, 2019
- HYOSUNG HEAVY INDUSTRIES CORPORATION
- Jae Keun NO
- G05 - CONTROLLING REGULATING
Information Patent Application
Method And Control Device For Current Differential Protection
- Publication number 20180358802
- Publication date Dec 13, 2018
- ABB Schweiz AG
- Ivo Brncic
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Differential Protection Method And Differential Protection Device F...
- Publication number 20170331279
- Publication date Nov 16, 2017
- SIEMENS AKTIENGESELSCHAFT
- FRANK MIESKE
- G01 - MEASURING TESTING
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
METHOD AND APPARATUS FOR PROTECTING POWER TRANSFORMERS FROM LARGE E...
- Publication number 20130285671
- Publication date Oct 31, 2013
- GARY R. HOFFMAN
- G01 - MEASURING TESTING
Information Patent Application
Transformer Inrush Current Restraining Control Equipment
- Publication number 20130208386
- Publication date Aug 15, 2013
- Kodensya Co., Ltd.
- Toshiyasu Kai
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Sensing and Control Electronics for a Power Grid Protection System
- Publication number 20120019962
- Publication date Jan 26, 2012
- Frederick R. Faxvog
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Method and system for through fault detection in electrical devices
- Publication number 20100208403
- Publication date Aug 19, 2010
- Ratan Das
- G01 - MEASURING TESTING
Information Patent Application
Transformer inrush current detector
- Publication number 20090147412
- Publication date Jun 11, 2009
- Cooper Technologies Company
- Ljubomir A. Kojovic
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Protective control method and apparatus for power devices
- Publication number 20040264094
- Publication date Dec 30, 2004
- Md Azizur Rahman
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Electrical protection system
- Publication number 20040027748
- Publication date Feb 12, 2004
- Ljubomir A. Kojovic
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Relaying method for protecting transformers
- Publication number 20030036821
- Publication date Feb 20, 2003
- Yong Cheol Kang
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

taking into account saturation of current transformers

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Differential protection using instrument transformer signal transdu...

Power grid protection via transformer neutral blocking systems and...

Power converter and control method thereof

Power converter and control method thereof

Power grid protection via transformer neutral blocking systems and...

Apparatus and method for controlling circuit breaker for static syn...

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

Differential protection method and differential protection device f...

Pre-magnetizing a transformer connected to a modular multilevel pow...

Method and control device for current differential protection

Magnetizing inrush current suppression device

Transformer inrush current restraining control equipment

Differential protection in electrical power networks

Sensing and control electronics for a power grid protection system

Method and system for through fault detection in electrical devices

Transformer inrush current detector

Electrical protection system

Relaying method for protecting transformers

Magnetizing inrush restraint method and relay for protection of pow...

Current differential protection arrangement

Transformer differential relay

Microprocessor-based digital protective relay for power transformers

Transformer differential relay with speed-up apparatus

2863100

2246816

Patents Applicationslast 30 patents

METHOD AND APPARATUS FOR DIFFERENTIAL PROTECTION OF PROTECTION SECT...

DIFFERENTIAL PROTECTION USING INSTRUMENT TRANSFORMER SIGNAL TRANSDU...

POWER GRID PROTECTION VIA TRANSFORMER NEUTRAL BLOCKING SYSTEMS AND...

POWER GRID PROTECTION VIA TRANSFORMER NEUTRAL BLOCKING SYSTEMS AND...

APPARATUS AND METHOD FOR CONTROLLING CIRCUIT BREAKER FOR STATIC SYN...

Method And Control Device For Current Differential Protection

Differential Protection Method And Differential Protection Device F...

DIFFERENTIAL PROTECTION IN ELECTRICAL POWER NETWORKS

METHOD AND APPARATUS FOR PROTECTING POWER TRANSFORMERS FROM LARGE E...

Transformer Inrush Current Restraining Control Equipment

Sensing and Control Electronics for a Power Grid Protection System

Method and system for through fault detection in electrical devices

Transformer inrush current detector

Protective control method and apparatus for power devices

Electrical protection system

Relaying method for protecting transformers