using phase sequence analysers

Industry

CPC
H02H3/343

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Parent Industries

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

H02H3/343using phase sequence analysers

Industries

Patents Grantslast 30 patents

Information Patent Grant
Protection of low-voltage distribution networks
- Patent number 11,921,170
- Issue date Mar 5, 2024
- ELECTRONIC SAZAN FAN ARIA COMPANY
- Mahdi Davarpanah
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method and system for identifying full parameters of element by fau...
- Patent number 10,338,127
- Issue date Jul 2, 2019
- Yushan Hao
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method and apparatus for detecting vector shift
- Patent number 10,041,985
- Issue date Aug 7, 2018
- ABB Schweiz AG
- Frej Suomi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Switchgear for a single-phase motor and a three-phase motor
- Patent number 9,851,404
- Issue date Dec 26, 2017
- Siemens Aktiengesellschaft
- Dirk Hertz
- 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
Supply voltage auto-sensing
- Patent number 8,823,356
- Issue date Sep 2, 2014
- SolarBridge Technologies, Inc.
- Patrick L. Chapman
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Fault type selection system for identifying faults in an electric p...
- Patent number 6,525,543
- Issue date Feb 25, 2003
- Schweitzer Engineering Laboratories
- Jeffrey B. Roberts
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Fault identification system for use in protective relays for power...
- Patent number 5,515,227
- Issue date May 7, 1996
- Schweitzer Engineering Laboratories Inc.
- Jeffrey B. Roberts
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Negative-sequence time-overcurrent relay
- Patent number 5,475,559
- Issue date Dec 12, 1995
- Kabushiki Kaisha Toshiba
- Kazuhiro Suzuki
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Device for numerical computation of a symmetrical component of an e...
- Patent number 5,426,590
- Issue date Jun 20, 1995
- Merlin Gerin
- Eric Martin
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Faulted phase selector for single pole tripping and reclosing schemes
- Patent number 4,819,119
- Issue date Apr 4, 1989
- General Electric Company
- Stanley B. Wilkinson
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Microprocessor based motor protective relay with half wave sampling
- Patent number 4,757,242
- Issue date Jul 12, 1988
- Westinghouse Electric Corp.
- Edward C. Prather
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Remote protection of three phase distribution transformers
- Patent number 4,745,512
- Issue date May 17, 1988
- The Electricity Council
- John T. Hampson
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Negative sequence detector for a continuous wave frequency transducer
- Patent number 4,723,189
- Issue date Feb 2, 1988
- General Electric Company
- Einar V. Larsen
- G01 - MEASURING TESTING
Information Patent Grant
Dual current transformer current sensing method and sensor
- Patent number 4,683,513
- Issue date Jul 28, 1987
- Westinghouse Electric Corp.
- Robert C. Miller
- G01 - MEASURING TESTING
Information Patent Grant
Root mean square measuring device for negative sequence current
- Patent number 4,641,088
- Issue date Feb 3, 1987
- Asea Aktiebolag
- Curt Jacobsson
- G01 - MEASURING TESTING
Information Patent Grant
Protective relay apparatus for detecting high-impedance ground faults
- Patent number 4,600,961
- Issue date Jul 15, 1986
- Westinghouse Electric Corp.
- Martin T. Bishop
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Ground-fault protective relay
- Patent number 4,566,053
- Issue date Jan 21, 1986
- Westinghouse Electric Corp.
- William A. Strickland
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Sequence filters for determining the symmetrical components of mult...
- Patent number 4,366,521
- Issue date Dec 28, 1982
- Westinghouse Electric Corp.
- Ralph D. Jessee
- G01 - MEASURING TESTING
Information Patent Grant
Protective relay
- Patent number 4,363,066
- Issue date Dec 7, 1982
- Westinghouse Electric Corp.
- Martin T. Bishop
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Ratio ground relays
- Patent number 4,357,644
- Issue date Nov 2, 1982
- Westinghouse Electric Corp.
- Warren J. Schmidt
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Ratio ground relay
- Patent number 4,347,542
- Issue date Aug 31, 1982
- Westinghouse Electric Corp.
- Howard J. Calhoun
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Sequence network circuits for protective relaying applications
- Patent number 4,342,062
- Issue date Jul 27, 1982
- General Electric Company
- Merwyn E. Hodges
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method and apparatus for monitoring line voltage in a polyphase source
- Patent number 4,210,948
- Issue date Jul 1, 1980
- Allen-Bradley Company
- Richard W. Waltz
- G01 - MEASURING TESTING
Information Patent Grant
Symmetrical component sequence filter
- Patent number 4,146,913
- Issue date Mar 27, 1979
- Westinghouse Electric Corp.
- Shan C. Sun
- G01 - MEASURING TESTING
Information Patent Grant
Active symmetrical component sequence filter
- Patent number 4,067,053
- Issue date Jan 3, 1978
- Westinghouse Electric Corporation
- Kung C. Chow
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Protective relay circuits
- Patent number 4,034,269
- Issue date Jul 5, 1977
- General Electric Company
- Stanley B. Wilkinson
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Protection of polyphase equipment
- Patent number 4,024,439
- Issue date May 17, 1977
- ESCO Manufacturing Company
- James E. McClain
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Inductorless symmetrical component sequence analyzer
- Patent number 4,023,075
- Issue date May 10, 1977
- Dunham Associates, Inc.
- William L. Reuter
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Active symmetrical component network for protective relays
- Patent number 3,992,651
- Issue date Nov 16, 1976
- General Electric Company
- Merwyn E. Hodges
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
PROTECTION OF LOW-VOLTAGE DISTRIBUTION NETWORKS
- Publication number 20220236339
- Publication date Jul 28, 2022
- Electronic Sazan Fan Aria Company
- Mahdi Davarpanah
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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
Supply Voltage Auto-Sensing
- Publication number 20120242322
- Publication date Sep 27, 2012
- SolarBridge Technologies, Inc.
- Patrick L. Chapman
- G01 - MEASURING TESTING

using phase sequence analysers

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Protection of low-voltage distribution networks

Method and system for identifying full parameters of element by fau...

Method and apparatus for detecting vector shift

Switchgear for a single-phase motor and a three-phase motor

Differential protection in electrical power networks

Supply voltage auto-sensing

Fault type selection system for identifying faults in an electric p...

Fault identification system for use in protective relays for power...

Negative-sequence time-overcurrent relay

Device for numerical computation of a symmetrical component of an e...

Faulted phase selector for single pole tripping and reclosing schemes

Microprocessor based motor protective relay with half wave sampling

Remote protection of three phase distribution transformers

Negative sequence detector for a continuous wave frequency transducer

Dual current transformer current sensing method and sensor

Root mean square measuring device for negative sequence current

Protective relay apparatus for detecting high-impedance ground faults

Ground-fault protective relay

Sequence filters for determining the symmetrical components of mult...

Protective relay

Ratio ground relays

Ratio ground relay

Sequence network circuits for protective relaying applications

Method and apparatus for monitoring line voltage in a polyphase source

Symmetrical component sequence filter

Active symmetrical component sequence filter

Protective relay circuits

Protection of polyphase equipment

Inductorless symmetrical component sequence analyzer

Active symmetrical component network for protective relays

Patents Applicationslast 30 patents

PROTECTION OF LOW-VOLTAGE DISTRIBUTION NETWORKS

DIFFERENTIAL PROTECTION IN ELECTRICAL POWER NETWORKS

Supply Voltage Auto-Sensing