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for tapped transformers or tap-changing means thereof
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CPC
H02H7/055
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Parent Industries
H
ELECTRICITY
H02
Electric power
H02H
EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
H02H7/00
Emergency 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
H02H7/055
for tapped transformers or tap-changing means thereof
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Patents Grants
last 30 patents
Information
Patent Grant
Power electronic tap changer module for transformer
Patent number
10,861,642
Issue date
Dec 8, 2020
ABB Schweiz AG
Pawel Aloszko
G05 - CONTROLLING REGULATING
Information
Patent Grant
Monitoring tap changer switching
Patent number
10,742,019
Issue date
Aug 11, 2020
ABB Power Grids Switzerland AG
Bengt-Olof Stenestam
G01 - MEASURING TESTING
Information
Patent Grant
Monitoring a transformer comprising a tap changer
Patent number
10,473,707
Issue date
Nov 12, 2019
ABB Schweiz AG
Tord Bengtsson
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Protecting a transformer comprising a tap changer
Patent number
10,389,107
Issue date
Aug 20, 2019
ABB Schweiz AG
Tord Bengtsson
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Power harvesting circuit employing saturable core transformer
Patent number
10,353,412
Issue date
Jul 16, 2019
PULSEIQ, LLC
Emilio A. Fernandez
G05 - CONTROLLING REGULATING
Information
Patent Grant
Power-network note, variable transformer and method of operating th...
Patent number
10,211,627
Issue date
Feb 19, 2019
MASCHINENFABRIK REINHAUSEN GMBH
Andreas Sachsenhauser
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Connection apparatus circuit and high voltage surge protection meth...
Patent number
9,065,274
Issue date
Jun 23, 2015
Giga-Byte Technology Co., Ltd.
Kuo Lun Tsen
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
On-load tap changer
Patent number
9,054,522
Issue date
Jun 9, 2015
MASCHINENFABRIK REINHAUSEN GMBH
Dieter Dohnal
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Relay and method for protecting transformer, and transformer protec...
Patent number
8,854,776
Issue date
Oct 7, 2014
LSIS Co., Ltd.
Ui Jai Lim
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Arc detector and associated method for detecting undesired arcs
Patent number
8,508,233
Issue date
Aug 13, 2013
ABB Research Ltd.
Thomas Eriksson
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Control system for a transformer or reactor
Patent number
7,444,266
Issue date
Oct 28, 2008
ABB Technology Ltd.
Bengt-Olof Stenestam
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Method for tapping a high voltage transmission line and substation...
Patent number
7,193,338
Issue date
Mar 20, 2007
Gamal A. Ghali
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Limiting ring current in short circuit between adjacent partial win...
Patent number
6,924,631
Issue date
Aug 2, 2005
Hanjörg Hauer
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Limiting ring current in short circuits between adjacent partial wi...
Patent number
6,762,594
Issue date
Jul 13, 2004
Hanjörg Hauer
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Method for determining wear and other characteristics of electrodes...
Patent number
6,448,758
Issue date
Sep 10, 2002
General Electric Company
John Raymond Krahn
G01 - MEASURING TESTING
Information
Patent Grant
Monitoring system for step-type switching transformer
Patent number
5,128,605
Issue date
Jul 7, 1992
Maschinenfabrik Reinhausen GmbH
Dieter Dohnal
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Dual voltage distribution transformer with internal varistor surge...
Patent number
4,862,307
Issue date
Aug 29, 1989
General Electric Company
Carl A. Larson
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Tap switching protection circuit
Patent number
4,860,145
Issue date
Aug 22, 1989
Oneac Corporation
August G. Klingbiel
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Apparatus for protecting vacuum interrupter type on-line tap changer
Patent number
4,388,664
Issue date
Jun 14, 1983
Fuji Electric Co., Ltd.
Tetsuo Watanabe
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Arcless tap changer utilizing static switching
Patent number
4,301,489
Issue date
Nov 17, 1981
Siemens-Allis, Inc.
Frederick A. Stich
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Latch operated tap changing switch for transformer regulating system
Patent number
4,185,177
Issue date
Jan 22, 1980
McGraw-Edison Company
Clyde Gilker
G05 - CONTROLLING REGULATING
Information
Patent Grant
Fail-safe circuit for tap-changing transformer regulating system
Patent number
4,090,225
Issue date
May 16, 1978
McGraw-Edison Company
Clyde Gilker
G05 - CONTROLLING REGULATING
Information
Patent Grant
System for effecting tap changes of tapped transformer windings by...
Patent number
3,944,913
Issue date
Mar 16, 1976
Mashinenfabrik Reinhausen Gebruder Scheubeck K. G.
Kurt Kugler
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
3786337
Patent number
3,786,337
Issue date
Jan 15, 1974
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
3668511
Patent number
3,668,511
Issue date
Jun 6, 1972
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
3651375
Patent number
3,651,375
Issue date
Mar 21, 1972
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
3628128
Patent number
3,628,128
Issue date
Dec 14, 1971
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
3622867
Patent number
3,622,867
Issue date
Nov 23, 1971
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
3600664
Patent number
3,600,664
Issue date
Aug 17, 1971
G05 - CONTROLLING REGULATING
Information
Patent Grant
3600668
Patent number
3,600,668
Issue date
Aug 17, 1971
G05 - CONTROLLING REGULATING
Patents Applications
last 30 patents
Information
Patent Application
SUBMARINE CABLE SYSTEM AND A SWITCHING METHOD THEREOF
Publication number
20240146051
Publication date
May 2, 2024
Saudi Arabian Oil Company
Wasseem Ali Alkhardawi
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Monitoring Tap Changer Switching
Publication number
20190288503
Publication date
Sep 19, 2019
ABB Schweiz AG
Bengt-Olof Stenestam
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
POWER ELECTRONIC TAP CHANGER MODULE FOR TRANSFORMER
Publication number
20190259530
Publication date
Aug 22, 2019
ABB Schweiz AG
Pawel Aloszko
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Protecting A Transformer Comprising A Tap Changer
Publication number
20190252874
Publication date
Aug 15, 2019
Tord Bengtsson
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
POWER HARVESTING CIRCUIT
Publication number
20190011940
Publication date
Jan 10, 2019
PulselQ, LLC
Emilio A. FERNANDEZ
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Electrical Current Transformer for Power Distribution Line Sensors
Publication number
20140160820
Publication date
Jun 12, 2014
GRID SENTRY LLC
Michael Wayne McKinley
G01 - MEASURING TESTING
Information
Patent Application
CONNECTION APPARATUS CIRCUIT AND HIGH VOLTAGE SURGE PROTECTION METH...
Publication number
20140153146
Publication date
Jun 5, 2014
GIGA-BYTE TECHNOLOGY CO., LTD.
Kuo Lun Tsen
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
ON-LOAD TAP CHANGER
Publication number
20130170079
Publication date
Jul 4, 2013
Dieter Dohnal
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
RELAY AND METHOD FOR PROTECTING TRANSFORMER, AND TRANSFORMER PROTEC...
Publication number
20120194949
Publication date
Aug 2, 2012
LSIS CO., LTD.
Ui Jai LIM
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Arc Detector And Associated Method For Detecting Undesired Arcs
Publication number
20110057662
Publication date
Mar 10, 2011
Thomas Eriksson
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Control system for a transformer or reactor
Publication number
20070225945
Publication date
Sep 27, 2007
Bengt-Olof Stenestam
G01 - MEASURING TESTING
Information
Patent Application
Method for tapping a high voltage transmission line and substation...
Publication number
20050052801
Publication date
Mar 10, 2005
Gamal A. Ghali
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Method and apparatus for limiting ring current in short circuit bet...
Publication number
20040130301
Publication date
Jul 8, 2004
Hanjorg Hauer
G05 - CONTROLLING REGULATING