making use of travelling wave theory

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CPC
H02H7/265

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HELECTRICITY H02Electric power H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS H02H7/00Emergency 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

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H02H7/265making use of travelling wave theory

Industries

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Patents Grantslast 30 patents

Information Patent Grant
System for monitoring the state of a cable through distributed tran...
- Patent number 11,906,566
- Issue date Feb 20, 2024
- Commissariat a l'Energie Atomique et Aux Energies Alternatives
- Marie-Bénédicte Jacques
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Accelerated zone-2 protection for transmission lines
- Patent number 11,594,876
- Issue date Feb 28, 2023
- Hitachi Energy Switzerland AG
- Obbalareddi Demudu Naidu
- G01 - MEASURING TESTING
Information Patent Grant
Universal traveling-wave-based protection and fault location for po...
- Patent number 11,424,613
- Issue date Aug 23, 2022
- General Electric Technology GmbH
- Hengxu Ha
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Testing system for traveling wave fault detectors
- Patent number 11,320,475
- Issue date May 3, 2022
- Schweitzer Engineering Laboratories, Inc.
- David E. Whitehead
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Phase selection for traveling wave fault detection systems
- Patent number 11,307,264
- Issue date Apr 19, 2022
- Schweitzer Engineering Laboratories, Inc.
- Armando Guzman-Casillas
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Fire risk mitigation in electric power systems
- Patent number 11,211,788
- Issue date Dec 28, 2021
- Schweitzer Engineering Laboratories, Inc.
- Austin Edward Wade
- G08 - SIGNALLING
Information Patent Grant
Secure traveling wave distance protection in an electric power deli...
- Patent number 11,137,436
- Issue date Oct 5, 2021
- Schweitzer Engineering Laboratories, Inc.
- Edmund O. Schweitzer
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method and system for protection in a mixed line
- Patent number 11,114,843
- Issue date Sep 7, 2021
- ABB Power Grids Switzerland AG
- Obbalareddi Demudu Naidu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Travelling wave pilot protection of a transmission line based on ti...
- Patent number 11,112,445
- Issue date Sep 7, 2021
- ABB Power Grids Switzerland AG
- YouYi Li
- G01 - MEASURING TESTING
Information Patent Grant
High-fidelity voltage measurement using a capacitance-coupled volta...
- Patent number 11,105,832
- Issue date Aug 31, 2021
- Schweitzer Engineering Laboratories, Inc.
- Edmund O. Schweitzer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Direct current distance protection controllers
- Patent number 11,081,879
- Issue date Aug 3, 2021
- General Electric Technology GmbH
- Sankara Sri Gopala Krishna Murthi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Fault detection and protection during steady state using traveling...
- Patent number 11,056,874
- Issue date Jul 6, 2021
- Schweitzer Engineering Laboratories, Inc.
- Edmund O. Schweitzer
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method and system for locating a fault in a mixed power transmissio...
- Patent number 11,047,892
- Issue date Jun 29, 2021
- ABB Power Grids Switzerland AG
- Naidu Obbalareddi Demudu
- G01 - MEASURING TESTING
Information Patent Grant
Traveling wave identification using distortions for electric power...
- Patent number 11,038,342
- Issue date Jun 15, 2021
- Schweitzer Engineering Laboratories, Inc.
- Edmund O. Schweitzer
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Distance protection using traveling waves in an electric power deli...
- Patent number 10,989,752
- Issue date Apr 27, 2021
- Schweitzer Engineering Laboratories, Inc.
- Edmund O. Schweitzer
- G01 - MEASURING TESTING
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
High-fidelity voltage measurement using a capacitance-coupled volta...
- Patent number 10,802,054
- Issue date Oct 13, 2020
- Schweitzer Engineering Laboratories, Inc.
- Edmund O. Schweitzer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of free wave energy protection for half-wavelength line base...
- Patent number 10,778,003
- Issue date Sep 15, 2020
- CHINA ELECTRIC POWER RESEARCH INST. CO. LIMITED
- Huanzhang Liu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
High speed protection of power transmission lines
- Patent number 10,763,663
- Issue date Sep 1, 2020
- ABB Power Grids Switzerland AG
- Reynaldo Nuqui
- G01 - MEASURING TESTING
Information Patent Grant
Fault detection in electric power delivery systems using underreach...
- Patent number 10,742,022
- Issue date Aug 11, 2020
- Schweitzer Engineering Laboratories, Inc.
- Edmund O. Schweitzer
- G01 - MEASURING TESTING
Information Patent Grant
Direct current distance protection schemes
- Patent number 10,734,802
- Issue date Aug 4, 2020
- General Electric Technology GmbH
- Hengxu Ha
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Travelling wave protection of a transmission line based on high-pas...
- Patent number 10,734,803
- Issue date Aug 4, 2020
- ABB Power Grids Switzerland AG
- YouYi Li
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Relating to direct current protection schemes
- Patent number 10,727,666
- Issue date Jul 28, 2020
- General Electric Technology GmbH
- Hengxu Ha
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Digital electricity using carrier wave change detection
- Patent number 10,714,930
- Issue date Jul 14, 2020
- VoltServer, Inc.
- Jeffrey Weiss
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Bipolar DC power transmission scheme
- Patent number 10,615,587
- Issue date Apr 7, 2020
- General Electric Technology GmbH
- Robin Gupta
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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
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
Method for protection in a mixed power transmission line
- Patent number 10,447,030
- Issue date Oct 15, 2019
- ABB Schweiz AG
- Obbalareddi Demudu Naidu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method and apparatus for detection of power system disturbance with...
- Patent number 10,444,272
- Issue date Oct 15, 2019
- ABB Schweiz AG
- Kai Liu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Time-domain line differential protection of electric power delivery...
- Patent number 10,422,827
- Issue date Sep 24, 2019
- Schweitzer Engineering Laboratories, Inc.
- Edmund O. Schweitzer
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
SYSTEM FOR MONITORING THE STATE OF A CABLE THROUGH DISTRIBUTED TRAN...
- Publication number 20220341984
- Publication date Oct 27, 2022
- Commissariat A L'Energie Atomique et Aux Energies Alternatives
- Marie-Bénédicte JACQUES
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Accelerated Zone-2 Protection for Transmission Lines
- Publication number 20210399545
- Publication date Dec 23, 2021
- ABB Power Grids Switzerland AG
- Obbalareddi Demudu Naidu
- G01 - MEASURING TESTING
Information Patent Application
FIRE RISK MITIGATION IN ELECTRIC POWER SYSTEMS
- Publication number 20210265834
- Publication date Aug 26, 2021
- Schweitzer Engineering Laboratories, Inc.
- Austin Edward Wade
- G01 - MEASURING TESTING
Information Patent Application
HIGH-FIDELITY VOLTAGE MEASUREMENT USING A CAPACITANCE-COUPLED VOLTA...
- Publication number 20210018538
- Publication date Jan 21, 2021
- Schweitzer Engineering Laboratories, Inc.
- Edmund O. Schweitzer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
FAULT DETECTION IN ELECTRIC POWER DELIVERY SYSTEMS USING UNDERREACH...
- Publication number 20200350760
- Publication date Nov 5, 2020
- Schweitzer Engineering Laboratories, Inc.
- Edmund O. Schweitzer
- G01 - MEASURING TESTING
Information Patent Application
UNIVERSAL TRAVELING-WAVE-BASED PROTECTION AND FAULT LOCATION FOR PO...
- Publication number 20200287377
- Publication date Sep 10, 2020
- General Electric Technology GmbH
- Hengxu Ha
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
A METHOD AND SYSTEM FOR LOCATING A FAULT IN A MIXED POWER TRANSMISS...
- Publication number 20190391191
- Publication date Dec 26, 2019
- ABB Schweiz AG
- Naidu OBBALAREDDI DEMUDU
- G01 - MEASURING TESTING
Information Patent Application
HIGH-FIDELITY VOLTAGE MEASUREMENT USING A CAPACITANCE-COUPLED VOLTA...
- Publication number 20190195918
- Publication date Jun 27, 2019
- Schweitzer Engineering Laboratories, Inc.
- Edmund O. Schweitzer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
TRAVELING WAVE FAULT LOCATION WITH DISPERSION COMPENSATION IN ELECT...
- Publication number 20190187202
- Publication date Jun 20, 2019
- Schweitzer Engineering Laboratories, Inc.
- Edmund O. Schweitzer
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
FAULT DETECTION AND PROTECTION DURING STEADY STATE USING TRAVELING...
- Publication number 20190157854
- Publication date May 23, 2019
- Schweitzer Engineering Laboratories, Inc.
- Edmund O. Schweitzer
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
METHOD, PROTECTIVE DEVICE AND PROTECTIVE SYSTEM FOR DETECTING A FAU...
- Publication number 20190120892
- Publication date Apr 25, 2019
- Siemens Aktiengesellschaft
- CEZARY DZIENIS
- G01 - MEASURING TESTING
Information Patent Application
ACCURACY OF EVENT LOCATING ON POWERLINES BASED ON FIELD DATA
- Publication number 20190094288
- Publication date Mar 28, 2019
- Schweitzer Engineering Laboratories, Inc.
- Edmund O. Schweitzer
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
DISTANCE PROTECTION USING TRAVELING WAVES IN AN ELECTRIC POWER DELI...
- Publication number 20190094291
- Publication date Mar 28, 2019
- Schweitzer Engineering Laboratories, Inc.
- Edmund O. Schweitzer
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SECURE TRAVELING WAVE DISTANCE PROTECTION IN AN ELECTRIC POWER DELI...
- Publication number 20190094292
- Publication date Mar 28, 2019
- Schweitzer Engineering Laboratories, Inc.
- Edmund O. Schweitzer
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
TRAVELING WAVE IDENTIFICATION USING DISTORTIONS FOR ELECTRIC POWER...
- Publication number 20190094290
- Publication date Mar 28, 2019
- Schweitzer Engineering Laboratories, Inc.
- Edmund O. Schweitzer
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
METHOD OF FREE WAVE ENERGY PROTECTION FOR HALF-WAVELENGTH LINE BASE...
- Publication number 20190013667
- Publication date Jan 10, 2019
- China Electric Power Research Institute Company Limited
- Huanzhang Liu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Fault Detection Of A Transmission Line
- Publication number 20180364293
- Publication date Dec 20, 2018
- ABB Schweiz AG
- Youyi Li
- G01 - MEASURING TESTING
Information Patent Application
Method and System for Protection in a Mixed Line
- Publication number 20180316183
- Publication date Nov 1, 2018
- ABB Schweiz AG
- Obbalareddi Demudu NAIDU
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
IMPROVEMENTS IN OR RELATING TO DIRECT CURRENT PROTECTION SCHEMES
- Publication number 20180301894
- Publication date Oct 18, 2018
- General Electric Technology GmbH
- Hengxu HA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
IMPROVEMENTS IN OR RELATING TO DIRECT CURRENT DISTANCE PROTECTION S...
- Publication number 20180294644
- Publication date Oct 11, 2018
- General Electric Technology GmbH
- Hengxu HA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
TIME-DOMAIN DISTANCE LINE PROTECTION OF ELECTRIC POWER DELIVERY SYS...
- Publication number 20180278048
- Publication date Sep 27, 2018
- Schweitzer Engineering Laboratories, Inc.
- Edmund O. Schweitzer
- G01 - MEASURING TESTING
Information Patent Application
TIME-DOMAIN DIFFERENTIAL LINE PROTECTION OF ELECTRIC POWER DELIVERY...
- Publication number 20180212421
- Publication date Jul 26, 2018
- Schweitzer Engineering Laboratories, Inc.
- Edmund O. Schweitzer
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Travelling Wave Protection Of A Transmission Line Based On High-Pas...
- Publication number 20180145505
- Publication date May 24, 2018
- YouYi LI
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
TIME-DOMAIN LINE DIFFERENTIAL PROTECTION OF ELECTRIC POWER DELIVERY...
- Publication number 20180083437
- Publication date Mar 22, 2018
- Schweitzer Engineering Laboratories, Inc.
- Edmund O. Schweitzer
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Travelling Wave Protection Of A Transmission Line
- Publication number 20180069391
- Publication date Mar 8, 2018
- ABB Schweiz AG
- Kai LIU
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
METHOD AND APPARATUS FOR DETECTION OF POWER SYSTEM DISTURBANCE WITH...
- Publication number 20180024183
- Publication date Jan 25, 2018
- ABB Schweiz AG
- Kai Liu
- 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 Protection Using Traveling Waves in Optical Groun...
- Publication number 20170054495
- Publication date Feb 23, 2017
- Schweitzer Engineering Laboratories, Inc.
- Bogdan Z. Kasztenny
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
A METHOD OF SINGLE-ENDED FAULT LOCATION IN HVDC TRANSMISSION LINES
- Publication number 20160266192
- Publication date Sep 15, 2016
- ABB TECHNOLOGY AG
- ARKADIUSZ BUREK
- G01 - MEASURING TESTING
Information Patent Application
TRAVELLING-WAVE BASED FAULT PROTECTION OF HIGH-VOLTAGE TRANSMISSION...
- Publication number 20140254053
- Publication date Sep 11, 2014
- ABB TECHNOLOGY AG
- Jianping Wang
- G01 - MEASURING TESTING

making use of travelling wave theory

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

System for monitoring the state of a cable through distributed tran...

Accelerated zone-2 protection for transmission lines

Universal traveling-wave-based protection and fault location for po...

Testing system for traveling wave fault detectors

Phase selection for traveling wave fault detection systems

Fire risk mitigation in electric power systems

Secure traveling wave distance protection in an electric power deli...

Method and system for protection in a mixed line

Travelling wave pilot protection of a transmission line based on ti...

High-fidelity voltage measurement using a capacitance-coupled volta...

Direct current distance protection controllers

Fault detection and protection during steady state using traveling...

Method and system for locating a fault in a mixed power transmissio...

Traveling wave identification using distortions for electric power...

Distance protection using traveling waves in an electric power deli...

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

High-fidelity voltage measurement using a capacitance-coupled volta...

Method of free wave energy protection for half-wavelength line base...

High speed protection of power transmission lines

Fault detection in electric power delivery systems using underreach...

Direct current distance protection schemes

Travelling wave protection of a transmission line based on high-pas...

Relating to direct current protection schemes

Digital electricity using carrier wave change detection

Bipolar DC power transmission scheme

Method, device and system for determining the fault location of a f...

Overcurrent element in time domain

Method for protection in a mixed power transmission line

Method and apparatus for detection of power system disturbance with...

Time-domain line differential protection of electric power delivery...

Patents Applicationslast 30 patents

SYSTEM FOR MONITORING THE STATE OF A CABLE THROUGH DISTRIBUTED TRAN...

Accelerated Zone-2 Protection for Transmission Lines

FIRE RISK MITIGATION IN ELECTRIC POWER SYSTEMS

HIGH-FIDELITY VOLTAGE MEASUREMENT USING A CAPACITANCE-COUPLED VOLTA...

FAULT DETECTION IN ELECTRIC POWER DELIVERY SYSTEMS USING UNDERREACH...

UNIVERSAL TRAVELING-WAVE-BASED PROTECTION AND FAULT LOCATION FOR PO...

A METHOD AND SYSTEM FOR LOCATING A FAULT IN A MIXED POWER TRANSMISS...

HIGH-FIDELITY VOLTAGE MEASUREMENT USING A CAPACITANCE-COUPLED VOLTA...

TRAVELING WAVE FAULT LOCATION WITH DISPERSION COMPENSATION IN ELECT...

FAULT DETECTION AND PROTECTION DURING STEADY STATE USING TRAVELING...

METHOD, PROTECTIVE DEVICE AND PROTECTIVE SYSTEM FOR DETECTING A FAU...

ACCURACY OF EVENT LOCATING ON POWERLINES BASED ON FIELD DATA

DISTANCE PROTECTION USING TRAVELING WAVES IN AN ELECTRIC POWER DELI...

SECURE TRAVELING WAVE DISTANCE PROTECTION IN AN ELECTRIC POWER DELI...

TRAVELING WAVE IDENTIFICATION USING DISTORTIONS FOR ELECTRIC POWER...

METHOD OF FREE WAVE ENERGY PROTECTION FOR HALF-WAVELENGTH LINE BASE...

Fault Detection Of A Transmission Line

Method and System for Protection in a Mixed Line

IMPROVEMENTS IN OR RELATING TO DIRECT CURRENT PROTECTION SCHEMES

IMPROVEMENTS IN OR RELATING TO DIRECT CURRENT DISTANCE PROTECTION S...

TIME-DOMAIN DISTANCE LINE PROTECTION OF ELECTRIC POWER DELIVERY SYS...

TIME-DOMAIN DIFFERENTIAL LINE PROTECTION OF ELECTRIC POWER DELIVERY...

Travelling Wave Protection Of A Transmission Line Based On High-Pas...

TIME-DOMAIN LINE DIFFERENTIAL PROTECTION OF ELECTRIC POWER DELIVERY...

Travelling Wave Protection Of A Transmission Line

METHOD AND APPARATUS FOR DETECTION OF POWER SYSTEM DISTURBANCE WITH...

METHOD AND APPARATUS FOR SENSING A FAULT IN A POWER SYSTEM

Transmission Line Protection Using Traveling Waves in Optical Groun...

A METHOD OF SINGLE-ENDED FAULT LOCATION IN HVDC TRANSMISSION LINES

TRAVELLING-WAVE BASED FAULT PROTECTION OF HIGH-VOLTAGE TRANSMISSION...