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CPC
H02H3/305

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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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H02H3/305involving current comparison

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Integrated circuit-based nano-relay
- Patent number 12,088,082
- Issue date Sep 10, 2024
- Digital Grid Research Institute, China Southern Power Grid
- Peng Li
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Charging protection method, terminal, and charger
- Patent number 11,476,684
- Issue date Oct 18, 2022
- Huawei Technologies Co., Ltd.
- Fenwei Zhang
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Household appliance and apparatus and method for detecting arc faul...
- Patent number 11,444,443
- Issue date Sep 13, 2022
- GD MIDEA AIR-CONDITIONING EQUIPMENT CO., LTD.
- Zhiwei Mai
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Current differential relay apparatus
- Patent number 11,355,919
- Issue date Jun 7, 2022
- Mitsubishi Electric Corporation
- Shigetoo Oda
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method for controlling an installation allowing DC current to be tr...
- Patent number 11,005,261
- Issue date May 11, 2021
- SUPERGRID INSTITUTE
- Dieynaba Loume
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Current differential protection method for self-adaptive half-wavel...
- Patent number 10,985,547
- Issue date Apr 20, 2021
- CHINA ELECTRIC POWER RESEARCH INSTITUTE COMPANY LIMITED
- Xuming Liang
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method, protective device and protective system for detecting a fau...
- Patent number 10,969,417
- Issue date Apr 6, 2021
- Siemens Aktiengesellschaft
- Cezary Dzienis
- G01 - MEASURING TESTING
Information Patent Grant
Protective relay device
- Patent number 10,923,901
- Issue date Feb 16, 2021
- Mitsubishi Electric Corporation
- Shigetoo Oda
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Over-current protection apparatus and method
- Patent number 10,819,101
- Issue date Oct 27, 2020
- Microsemi Corporation
- Pierre Irissou
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Photovoltaic power generation system and method for shutting down t...
- Patent number 10,411,459
- Issue date Sep 10, 2019
- Delta Electronics (Shanghai) Co., Ltd.
- Xuancai Zhu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
System and method for protection against electric shock
- Patent number 10,345,356
- Issue date Jul 9, 2019
- Parviz Fotoohi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Fault location in DC networks
- Patent number 10,310,003
- Issue date Jun 4, 2019
- GENERAL ELECTRIC TECHNOLOGY GMBH
- Colin Davidson
- G01 - MEASURING TESTING
Information Patent Grant
Photovoltaic system and rapid shutdown method thereof
- Patent number 10,305,273
- Issue date May 28, 2019
- Delta Electronics (Shanghai) Co., Ltd.
- Xuancai Zhu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Power distribution systems and methods of operating power distribut...
- Patent number 9,837,812
- Issue date Dec 5, 2017
- General Electric Company
- Marcelo Esteban Valdes
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Fuse protection for a line
- Patent number 9,755,418
- Issue date Sep 5, 2017
- Lisa Draexlmaier GmbH
- Michael Wortberg
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method and apparatus for sensing a fault in a power system
- Patent number 9,667,058
- Issue date May 30, 2017
- ABB Schweiz AG
- Niclas Johannesson
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Current source converter differential protection method and relay p...
- Patent number 9,584,007
- Issue date Feb 28, 2017
- NR ELECTRIC CO., LTD.
- Qixue Zhang
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method for improving power distribution protection
- Patent number 9,362,736
- Issue date Jun 7, 2016
- Hamilton Sundstrand Corporation
- Michael Krenz
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Signal generation circuit
- Patent number 9,260,021
- Issue date Feb 16, 2016
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Koji Yamato
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Electric distribution system protection
- Patent number 9,178,350
- Issue date Nov 3, 2015
- General Electric Company
- Pan Yan
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Transmission line protective relay device
- Patent number 9,054,778
- Issue date Jun 9, 2015
- Kabushiki Kaisha Toshiba
- Takahiro Kase
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Electrical power supply system having internal fault protection
- Patent number 9,018,799
- Issue date Apr 28, 2015
- Hamilton Sundstrand Corporation
- Jef William Good
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Current differential protection
- Patent number 8,963,558
- Issue date Feb 24, 2015
- General Electric Company
- Yan Pan
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
System for electric distribution system protection and control and...
- Patent number 8,908,343
- Issue date Dec 9, 2014
- General Electric Company
- Yan Pan
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power management and distribution system having a fault detection a...
- Patent number 8,885,306
- Issue date Nov 11, 2014
- Hamilton Sundstrand Corporation
- Carl A. Wagner
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Fault protection for aircraft power systems
- Patent number 8,861,147
- Issue date Oct 14, 2014
- The Boeing Company
- Jeffrey Joseph White
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method and system for programming and implementing automated fault...
- Patent number 8,634,175
- Issue date Jan 21, 2014
- Siemens Industry, Inc.
- Andre Smit
- G05 - CONTROLLING REGULATING
Information Patent Grant
Transit time fixation device
- Patent number 8,599,883
- Issue date Dec 3, 2013
- Kabushiki Kaisha Toshiba
- Tatsuya Karino
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multi-terminal power line protection relay system
- Patent number 8,462,475
- Issue date Jun 11, 2013
- Hitachi, Ltd.
- Chikashi Komatsu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Photovoltaic power generating device, and controlling method
- Patent number 8,461,716
- Issue date Jun 11, 2013
- Sanyo Electric Co., Ltd.
- Takahisa Matsuo
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
INTEGRATED CIRCUIT-BASED NANO-RELAY
- Publication number 20240178648
- Publication date May 30, 2024
- DIGITAL GRID RES. INST., CHINA SOUTHERN PWR. GRID
- Peng LI
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
CURRENT DIFFERENTIAL RELAY APPARATUS
- Publication number 20210273443
- Publication date Sep 2, 2021
- Mitsubishi Electric Corporation
- Shigetoo Oda
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
OVER-CURRENT PROTECTION APPARATUS AND METHOD
- Publication number 20180241203
- Publication date Aug 23, 2018
- MICROSEMI CORPORATION
- Pierre IRISSOU
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
PHOTOVOLTAIC POWER GENERATION SYSTEM AND METHOD FOR SHUTTING DOWN T...
- Publication number 20180062379
- Publication date Mar 1, 2018
- DELTA ELECTRONICS (SHANGHAI) CO., LTD.
- Xuancai ZHU
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
METHOD AND APPARATUS FOR SENSING A FAULT IN A POWER SYSTEM
- Publication number 20170117701
- Publication date Apr 27, 2017
- ABB Schweiz AG
- Niclas JOHANNESSON
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
TRANSMISSION LINE PROTECTIVE RELAY DEVICE
- Publication number 20140307758
- Publication date Oct 16, 2014
- Kabushiki Kaisha Toshiba
- Takahiro Kase
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SIGNAL GENERATION CIRCUIT
- Publication number 20140292256
- Publication date Oct 2, 2014
- PANASONIC CORPORATION
- Koji YAMATO
- B60 - VEHICLES IN GENERAL
Information Patent Application
METHOD AND SYSTEM FOR CURRENT DIFFERENTIAL PROTECTION
- Publication number 20140169157
- Publication date Jun 19, 2014
- GENERAL ELECTRIC COMPANY
- Yan Pan
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
METHOD AND SYSTEM FOR PROGRAMMING AND IMPLEMENTING AUTOMATED FAULT...
- Publication number 20140136006
- Publication date May 15, 2014
- Siemens Industry, Inc.
- Andre Smit
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
CURRENT DIFFERENTIAL PROTECTION
- Publication number 20140118000
- Publication date May 1, 2014
- Yan Pan
- G01 - MEASURING TESTING
Information Patent Application
ELECTRICAL POWER SUPPLY SYSTEM HAVING INTERNAL FAULT PROTECTION
- Publication number 20130313901
- Publication date Nov 28, 2013
- Jef William Good
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Fault Protection for Aircraft Power Systems
- Publication number 20130286515
- Publication date Oct 31, 2013
- The Boeing Company
- Jeffrey Joseph White
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
METHOD FOR IMPROVING POWER DISTRIBUTION PROTECTION
- Publication number 20130286524
- Publication date Oct 31, 2013
- Hamilton Sundstrand Corporation
- Michael Krenz
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
POWER MANAGEMENT AND DISTRIBUTION SYSTEM HAVING A FAULT DETECTION A...
- Publication number 20130271884
- Publication date Oct 17, 2013
- Hamilton Sundstrand Corporation
- Carl A. Wagner
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
CURRENT MEASUREMENT AND COMPARING ASSEMBLY FOR A POWER DISTRIBUTION...
- Publication number 20130262003
- Publication date Oct 3, 2013
- Hamilton Sundstrand Corporation
- Norbert J. Simper
- G01 - MEASURING TESTING
Information Patent Application
ELECTRIC DISTRIBUTION SYSTEM PROTECTION
- Publication number 20130138366
- Publication date May 30, 2013
- Pan Yan
- G01 - MEASURING TESTING
Information Patent Application
SYSTEM FOR ELECTRIC DISTRIBUTION SYSTEM PROTECTION AND CONTROL AND...
- Publication number 20130107407
- Publication date May 2, 2013
- Yan Pan
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
METHOD AND SYSTEM FOR PROGRAMMING AND IMPLEMENTING AUTOMATED FAULT...
- Publication number 20120265360
- Publication date Oct 18, 2012
- Andre Smit
- G05 - CONTROLLING REGULATING
Information Patent Application
Methods and Systems Involving Monitoring Circuit Connectivity
- Publication number 20120182655
- Publication date Jul 19, 2012
- GENERAL ELECTRIC COMPANY
- Khushbu Jay Patel
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
RATE OF CHANGE DIFFERENTIAL PROTECTION
- Publication number 20120182657
- Publication date Jul 19, 2012
- ERLPhase Power Technologies Limited
- Krishnaswamy Gururaj Narendra
- G01 - MEASURING TESTING
Information Patent Application
PHOTOVOLTAIC POWER GENERATING DEVICE, AND CONTROLLING METHOD
- Publication number 20120048325
- Publication date Mar 1, 2012
- Sanyo Electric Co., Ltd.
- Takahisa MATSUO
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
MULTI-TERMINAL POWER LINE PROTECTION RELAY SYSTEM
- Publication number 20110310518
- Publication date Dec 22, 2011
- Hitachi, Ltd.
- Chikashi KOMATSU
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
TRANSIT TIME FIXATION DEVICE
- Publication number 20110158263
- Publication date Jun 30, 2011
- Kabushiki Kaisha Toshiba
- Tatsuya Karino
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND APPARATUS FOR HIGH-SPEED FAULT DETECTION IN DISTRIBUTION...
- Publication number 20110144931
- Publication date Jun 16, 2011
- Andre Smit
- G01 - MEASURING TESTING
Information Patent Application
ARRANGEMENT AND METHOD FOR GENERATING A FAULT SIGNAL
- Publication number 20110098951
- Publication date Apr 28, 2011
- SIEMENS AKTIENGESELLSCHAFT
- Andreas Jurisch
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Differential Protection Method, System And Device
- Publication number 20100202092
- Publication date Aug 12, 2010
- Zoran Gajic
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Circuit protection system
- Publication number 20080158752
- Publication date Jul 3, 2008
- General Electric Company
- John Charles Hill
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...

involving current comparison

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Integrated circuit-based nano-relay

Charging protection method, terminal, and charger

Household appliance and apparatus and method for detecting arc faul...

Current differential relay apparatus

Method for controlling an installation allowing DC current to be tr...

Current differential protection method for self-adaptive half-wavel...

Method, protective device and protective system for detecting a fau...

Protective relay device

Over-current protection apparatus and method

Photovoltaic power generation system and method for shutting down t...

System and method for protection against electric shock

Fault location in DC networks

Photovoltaic system and rapid shutdown method thereof

Power distribution systems and methods of operating power distribut...

Fuse protection for a line

Method and apparatus for sensing a fault in a power system

Current source converter differential protection method and relay p...

Method for improving power distribution protection

Signal generation circuit

Electric distribution system protection

Transmission line protective relay device

Electrical power supply system having internal fault protection

Current differential protection

System for electric distribution system protection and control and...

Power management and distribution system having a fault detection a...

Fault protection for aircraft power systems

Method and system for programming and implementing automated fault...

Transit time fixation device

Multi-terminal power line protection relay system

Photovoltaic power generating device, and controlling method

Patents Applicationslast 30 patents

INTEGRATED CIRCUIT-BASED NANO-RELAY

CURRENT DIFFERENTIAL RELAY APPARATUS

OVER-CURRENT PROTECTION APPARATUS AND METHOD

PHOTOVOLTAIC POWER GENERATION SYSTEM AND METHOD FOR SHUTTING DOWN T...

METHOD AND APPARATUS FOR SENSING A FAULT IN A POWER SYSTEM

TRANSMISSION LINE PROTECTIVE RELAY DEVICE

SIGNAL GENERATION CIRCUIT

METHOD AND SYSTEM FOR CURRENT DIFFERENTIAL PROTECTION

METHOD AND SYSTEM FOR PROGRAMMING AND IMPLEMENTING AUTOMATED FAULT...

CURRENT DIFFERENTIAL PROTECTION

ELECTRICAL POWER SUPPLY SYSTEM HAVING INTERNAL FAULT PROTECTION

Fault Protection for Aircraft Power Systems

METHOD FOR IMPROVING POWER DISTRIBUTION PROTECTION

POWER MANAGEMENT AND DISTRIBUTION SYSTEM HAVING A FAULT DETECTION A...

CURRENT MEASUREMENT AND COMPARING ASSEMBLY FOR A POWER DISTRIBUTION...

ELECTRIC DISTRIBUTION SYSTEM PROTECTION

SYSTEM FOR ELECTRIC DISTRIBUTION SYSTEM PROTECTION AND CONTROL AND...

METHOD AND SYSTEM FOR PROGRAMMING AND IMPLEMENTING AUTOMATED FAULT...

Methods and Systems Involving Monitoring Circuit Connectivity

RATE OF CHANGE DIFFERENTIAL PROTECTION

PHOTOVOLTAIC POWER GENERATING DEVICE, AND CONTROLLING METHOD

MULTI-TERMINAL POWER LINE PROTECTION RELAY SYSTEM

TRANSIT TIME FIXATION DEVICE

METHOD AND APPARATUS FOR HIGH-SPEED FAULT DETECTION IN DISTRIBUTION...

ARRANGEMENT AND METHOD FOR GENERATING A FAULT SIGNAL

Differential Protection Method, System And Device

Circuit protection system