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H02H3/30
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H
ELECTRICITY
H02
Electric power
H02H
EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
H02H3/00
Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection integrated protection
Current Industry
H02H3/30
using pilot wires or other signalling channel
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Patents Grants
last 30 patents
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
Method of operation a differential protection scheme
Patent number
10,749,335
Issue date
Aug 18, 2020
General Electric Technology GmbH
John Westwood
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Ground fault overvoltage relay device
Patent number
10,714,924
Issue date
Jul 14, 2020
Mitsubishi Electric Corporation
Tomoyoshi Matsumoto
G01 - MEASURING TESTING
Information
Patent Grant
Method, device and system for determining the fault location of a f...
Patent number
10,598,717
Issue date
Mar 24, 2020
Siemens Aktiengesellschaft
Cezary Dzienis
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
Overcurrent element in time domain
Patent number
10,522,995
Issue date
Dec 31, 2019
Schweitzer Engineering Laboratories, Inc.
Bogdan Z. Kasztenny
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Differential protection method, differential protection device and...
Patent number
10,429,429
Issue date
Oct 1, 2019
Siemens Aktiengesellschaft
Torsten Kerger
G01 - MEASURING TESTING
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
Network protector control for spot network fed from feeder sources...
Patent number
10,096,991
Issue date
Oct 9, 2018
EATON INTELLIGENT POWER LIMITED
David R. Smith
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
RF phase offset detection circuit
Patent number
10,056,888
Issue date
Aug 21, 2018
Qorvo US, Inc.
Christian Rye Iversen
H03 - BASIC ELECTRONIC CIRCUITRY
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
Current differential relay
Patent number
9,680,297
Issue date
Jun 13, 2017
Mitsubishi Electric Corporation
Shigetoo Oda
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
Protective relaying device
Patent number
9,057,744
Issue date
Jun 16, 2015
Kabushiki Kaisha Toshiba
Atsushi Takeuchi
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
Patents Applications
last 30 patents
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
METHOD OF OPERATION A DIFFERENTIAL PROTECTION SCHEME
Publication number
20190140440
Publication date
May 9, 2019
General Electric Technology GmbH
John WESTWOOD
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
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
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
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
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
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
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
PROTECTIVE RELAYING DEVICE
Publication number
20130090875
Publication date
Apr 11, 2013
Atsushi TAKEUCHI
G01 - MEASURING TESTING
Information
Patent Application
METHOD OF HIGH IMPEDANCE GROUNDFAULT DETECTION FOR DIFFERENTIAL PRO...
Publication number
20120330582
Publication date
Dec 27, 2012
Schneider Electric Energy UK Ltd.
Andrzej Wiszniewski
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
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
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
LINE CURRENT DIFFERENTIAL PROTECTION UPON LOSS OF AN EXTERNAL TIME...
Publication number
20120162843
Publication date
Jun 28, 2012
Bogdan Z. Kasztenny
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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
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