involving comparison of the voltage or current values at corresponding points of different systems

Industry

CPC
H02H3/36

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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

Current Industry

H02H3/36involving comparison of the voltage or current values at corresponding points of different systems

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Protection assistance device of multiple circuit breakers in low-vo...
- Patent number 11,289,892
- Issue date Mar 29, 2022
- LS ELECTRIC CO., LTD.
- Sungsik Ham
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method and system for locating ground faults in a network of drives
- Patent number 10,585,134
- Issue date Mar 10, 2020
- General Electric Company
- Max-Josef Kell
- G01 - MEASURING TESTING
Information Patent Grant
Overvoltage protection for a multivoltage vehicle electrical system
- Patent number 9,941,692
- Issue date Apr 10, 2018
- Robert Bosch GmbH
- Gerhard Walter
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Electrical circuit for cutting off an electric power supply compris...
- Patent number 9,257,831
- Issue date Feb 9, 2016
- Sagem Defense Securite
- Patrick Valette
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
AC power backfeed protection based on phase shift
- Patent number 7,282,813
- Issue date Oct 16, 2007
- Xantrex International
- Thomas Michael Unger
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Crossover fault classification for power lines with parallel circuits
- Patent number 6,760,670
- Issue date Jul 6, 2004
- ABB Power Automation Ltd.
- James D. Stoupis
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Monitoring system for the capacitor batteries of a three-phase filt...
- Patent number 4,419,621
- Issue date Dec 6, 1983
- Siemens Aktiengesellschaft
- Michael Becker
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Monitoring system for an LC filter circuit in an AC power network
- Patent number 4,409,542
- Issue date Oct 11, 1983
- Siemens Aktiengesellschaft
- Michael Becker
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Monitoring system for a capacitor battery in an AC voltage network
- Patent number 4,401,942
- Issue date Aug 30, 1983
- Siemens Aktiengesellschaft
- Klaus Renz
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Common suspension multi-line grounding protective relay
- Patent number 4,343,027
- Issue date Aug 3, 1982
- Kabushiki Kaisha Meidensha
- Takaaki Kai
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
High power and high voltage transistor control circuit
- Patent number 4,290,007
- Issue date Sep 15, 1981
- United Systems Corporation
- Bernard Fisher
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Circuit for monitoring the current distribution in parallel-connect...
- Patent number 4,228,477
- Issue date Oct 14, 1980
- Siemens Aktiengesellschaft
- Achim Claus
- G01 - MEASURING TESTING
Information Patent Grant
Protective device for capacitor bank
- Patent number 4,219,856
- Issue date Aug 26, 1980
- ASEA Aktiebolag
- Per Danfors
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Device for detecting unbalanced conditions in a polyphase equipment...
- Patent number 4,104,687
- Issue date Aug 1, 1978
- S&C Electric Company
- John A. Zulaski
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Protective circuit for dynamic braking resistors
- Patent number 4,048,664
- Issue date Sep 13, 1977
- Mosebach Manufacturing Company
- Victor V. Kirilloff
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power transmission control system
- Patent number 4,002,950
- Issue date Jan 11, 1977
- Hughes Aircraft Company
- Arthur F. Dickerson
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Protective circuit arrangement for a high-voltage capacitor bank
- Patent number 3,984,734
- Issue date Oct 5, 1976
- Siemens Aktiengesellschaft
- Michael Becker
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power distribution control system
- Patent number 3,982,158
- Issue date Sep 21, 1976
- Hughes Aircraft Company
- Wolfgang Knauer
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Cell balance detector for electrolytic cell assemblies
- Patent number 3,942,104
- Issue date Mar 2, 1976
- Engelhard Minerals & Chemicals Corporation
- Paul Bradway Byrne
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
3924159
- Patent number 3,924,159
- Issue date Dec 2, 1975
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
3912982
- Patent number 3,912,982
- Issue date Oct 14, 1975
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
3808534
- Patent number 3,808,534
- Issue date Apr 30, 1974
- G01 - MEASURING TESTING
Information Patent Grant
3713002
- Patent number 3,713,002
- Issue date Jan 23, 1973
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
3634701
- Patent number 3,634,701
- Issue date Jan 11, 1972
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
3591831
- Patent number 3,591,831
- Issue date Jul 6, 1971
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
3590349
- Patent number 3,590,349
- Issue date Jun 29, 1971
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
3588613
- Patent number 3,588,613
- Issue date Jun 28, 1971
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
3546532
- Patent number 3,546,532
- Issue date Dec 8, 1970
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
3509357
- Patent number 3,509,357
- Issue date Apr 28, 1970
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
3496414
- Patent number 3,496,414
- Issue date Feb 17, 1970
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
Disconnecting Device and Power Supply Network for a Motor Vehicle
- Publication number 20230141892
- Publication date May 11, 2023
- Bayerische Motoren Werke Aktiengesellschaft
- Thomas KLAWITTER
- B60 - VEHICLES IN GENERAL
Information Patent Application
ELECTRICAL NETWORK
- Publication number 20230099409
- Publication date Mar 30, 2023
- SIEMENS AKTIENGESELLSCHAFT
- Shivansh Batra
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
PROTECTING A REMOVABLE DEVICE FROM SHORT CIRCUITS
- Publication number 20160327602
- Publication date Nov 10, 2016
- SANDISK TECHNOLOGIES INC.
- Ramakrishnan Karungulam Subramanian
- G01 - MEASURING TESTING
Information Patent Application
ELECTRICAL CIRCUIT FOR CUTTING OFF AN ELECTRIC POWER SUPPLY COMPRIS...
- Publication number 20150194803
- Publication date Jul 9, 2015
- SAGEM DEFENSE SECURITE
- Patrick Valette
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
AC power backfeed protection based on phase shift
- Publication number 20060126241
- Publication date Jun 15, 2006
- Xantrex International
- Thomas Michael Unger
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
Crossover fault classification for power lines with parallel circuits
- Publication number 20030086222
- Publication date May 8, 2003
- James D. Stoupis
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

involving comparison of the voltage or current values at corresponding points of different systems

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Protection assistance device of multiple circuit breakers in low-vo...

Method and system for locating ground faults in a network of drives

Overvoltage protection for a multivoltage vehicle electrical system

Electrical circuit for cutting off an electric power supply compris...

AC power backfeed protection based on phase shift

Crossover fault classification for power lines with parallel circuits

Monitoring system for the capacitor batteries of a three-phase filt...

Monitoring system for an LC filter circuit in an AC power network

Monitoring system for a capacitor battery in an AC voltage network

Common suspension multi-line grounding protective relay

High power and high voltage transistor control circuit

Circuit for monitoring the current distribution in parallel-connect...

Protective device for capacitor bank

Device for detecting unbalanced conditions in a polyphase equipment...

Protective circuit for dynamic braking resistors

Power transmission control system

Protective circuit arrangement for a high-voltage capacitor bank

Power distribution control system

Cell balance detector for electrolytic cell assemblies

3924159

3912982

3808534

3713002

3634701

3591831

3590349

3588613

3546532

3509357

3496414

Patents Applicationslast 30 patents

Disconnecting Device and Power Supply Network for a Motor Vehicle

ELECTRICAL NETWORK

PROTECTING A REMOVABLE DEVICE FROM SHORT CIRCUITS

ELECTRICAL CIRCUIT FOR CUTTING OFF AN ELECTRIC POWER SUPPLY COMPRIS...

AC power backfeed protection based on phase shift

Crossover fault classification for power lines with parallel circuits