involving phase comparison between current and voltage or between values derived from current and voltage

Industry

CPC
H02H3/382

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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

H02H3/382involving phase comparison between current and voltage or between values derived from current and voltage

Industries

Patents Grantslast 30 patents

Information Patent Grant
Current-based directional element in a power delivery system
- Patent number 11,320,495
- Issue date May 3, 2022
- Schweitzer Engineering Laboratories, Inc.
- Kanchanrao Gangadhar Dase
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Hybrid air-gap / solid-state circuit breaker
- Patent number 10,811,867
- Issue date Oct 20, 2020
- Atom Power, Inc.
- Ryan Kennedy
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Circuit interruption apparatuses
- Patent number 10,742,016
- Issue date Aug 11, 2020
- General Electric Technology GmbH
- Botong Li
- G01 - MEASURING TESTING
Information Patent Grant
Electricity amount detection method and device, terminal and storag...
- Patent number 10,594,132
- Issue date Mar 17, 2020
- Sanechips Technology Co., Ltd.
- Xiang Yu
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Hybrid air-gap / solid-state circuit breaker
- Patent number 10,541,530
- Issue date Jan 21, 2020
- Atom Power, Inc.
- Ryan Kennedy
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Detection of capacitor bank fuse/switch failure
- Patent number 10,122,162
- Issue date Nov 6, 2018
- Beckwith Electric Co., Inc.
- Murty Yalla
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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
Systems and methods for swing angle estimation in an electrical pow...
- Patent number 10,024,920
- Issue date Jul 17, 2018
- General Electric Company
- Yan Pan
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
System and method for detecting, localizing and quantifying excess...
- Patent number 9,791,496
- Issue date Oct 17, 2017
- Eaton Corporation
- Santosh Kumar Sharma
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
System and method for measuring an integrated circuit age
- Patent number 9,255,967
- Issue date Feb 9, 2016
- NVIDIA Corporation
- Rubil Ahmadi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electronic circuit and method for determining an impedance
- Patent number 9,188,613
- Issue date Nov 17, 2015
- JUNGHANS Microtec GmbH
- Bertram Köelbli
- G11 - INFORMATION STORAGE
Information Patent Grant
Circuit protection device and protection method
- Patent number 8,780,509
- Issue date Jul 15, 2014
- Delta Electronics, Inc.
- Te-Wei Wang
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Controller for a motor and a method of controlling the motor
- Patent number 8,354,809
- Issue date Jan 15, 2013
- Regal Beloit EPC Inc.
- William L. Mehlhorn
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Directional fault current indicator
- Patent number 7,969,155
- Issue date Jun 28, 2011
- Thomas & Betts International, Inc.
- Mehri Varghai
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Fault direction determination
- Patent number 7,948,241
- Issue date May 24, 2011
- ABB Technology AG
- Magnus Akke
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Automated AC line filter and surge suppression apparatus and method
- Patent number 7,940,506
- Issue date May 10, 2011
- Dollar Energy Group, Inc.
- Joseph S. Lewis
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Directional ground relay system
- Patent number 7,106,565
- Issue date Sep 12, 2006
- Kabushiki Kaisha Toshiba
- Takahiro Kase
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Fault detection apparatus and method
- Patent number 7,095,598
- Issue date Aug 22, 2006
- FRDX Limited
- Gordon Bryon Scott
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
System for preventing overreach of protection for series compensate...
- Patent number 6,559,622
- Issue date May 6, 2003
- Schweitzer Engineering Laboratories, Inc.
- Joseph B. Mooney
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Pump controller
- Patent number 6,534,947
- Issue date Mar 18, 2003
- Sta-Rite Industries, Inc.
- Steven A. Johnson
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Apparatus and method for detecting a short circuit in a lighting sy...
- Patent number 6,496,012
- Issue date Dec 17, 2002
- Koninklijke Philips Electronics, N.V.
- Da Feng Weng
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electronic relay for calculating the power of a multiphase electric...
- Patent number 5,777,833
- Issue date Jul 7, 1998
- Schneider Electric SA
- Jean-Marc Romillon
- G01 - MEASURING TESTING
Information Patent Grant
Process for producing time dependent waveforms of positive and nega...
- Patent number 5,764,044
- Issue date Jun 9, 1998
- ABB Power T&D Company, Inc.
- Fernando Calero
- G01 - MEASURING TESTING
Information Patent Grant
Control device for stopping the operation of a single-phase asynchr...
- Patent number 5,760,566
- Issue date Jun 2, 1998
- Plumer, Societe Anonyme
- Djafar Nassr
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Apparatus for comparing two waveforms in real time
- Patent number 5,659,242
- Issue date Aug 19, 1997
- ABB Power T&D Company Inc.
- Fernando Calero
- G01 - MEASURING TESTING
Information Patent Grant
Process and apparatus for comparing in real time phase differences...
- Patent number 5,576,618
- Issue date Nov 19, 1996
- ABB Power T&D Company, Inc.
- Fernando Calero
- G01 - MEASURING TESTING
Information Patent Grant
Pump control responsive to voltage-current phase angle
- Patent number 5,362,206
- Issue date Nov 8, 1994
- Automation Associates
- G. Wayne Westerman
- E21 - EARTH DRILLING MINING
Information Patent Grant
Motor overload indicating arrangement
- Patent number 5,151,638
- Issue date Sep 29, 1992
- Atlas Roll-Lite Door Corporation
- Howard L. Beckerman
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electric motor control and protective assembly for fluid pump opera...
- Patent number 4,972,289
- Issue date Nov 20, 1990
- Spring Valley Associates
- Lamar D. Springer
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Water pump protector unit
- Patent number 4,885,655
- Issue date Dec 5, 1989
- Spring Valley Associates, Inc.
- Lamar D. Springer
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

Information Patent Application
NETWORK PROTECTOR FOR SECONDARY DISTRIBUTION NETWORK THAT INCLUDES...
- Publication number 20230135520
- Publication date May 4, 2023
- Eaton Intelligent Power Limited
- Hossein Ghassempour Aghamolki
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Hybrid Air-Gap / Solid-State Circuit Breaker
- Publication number 20200083699
- Publication date Mar 12, 2020
- Atom Power, Inc.
- Ryan Kennedy
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
IMPROVEMENTS IN OR RELATING TO CIRCUIT INTERRUPTION APPARATUSES
- Publication number 20170353026
- Publication date Dec 7, 2017
- General Electric Technology GmbH
- Botong LI
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
ELECTRICITY AMOUNT DETECTION METHOD AND DEVICE, TERMINAL AND STORAG...
- Publication number 20170279266
- Publication date Sep 28, 2017
- SANECHIPS TECHNOLOGY CO., LTD.
- Xiang Yu
- B60 - VEHICLES IN GENERAL
Information Patent Application
APPARATUS AND METHOD FOR CONTROLLING ADAPTIVE RECLOSING BASED ON TR...
- Publication number 20150263506
- Publication date Sep 17, 2015
- Research & Business Foundation SUNGKYUNKWAN UNIVERISTY
- Chul Hwan KIM
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
DETECTION OF CAPACITOR BANK FUSE/SWITCH FAILURE
- Publication number 20150188306
- Publication date Jul 2, 2015
- Beckwith Electric Co., Inc.
- Murty Yalla
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SYSTEM AND METHOD FOR MEASURING AN INTEGRATED CIRCUIT AGE
- Publication number 20140306687
- Publication date Oct 16, 2014
- NVIDIA Corporation
- Rubil Ahmadi
- G01 - MEASURING TESTING
Information Patent Application
ELECTRONIC CIRCUIT AND METHOD FOR DETERMINING AN IMPEDANCE
- Publication number 20120286807
- Publication date Nov 15, 2012
- JUNGHANS MICROTEC GMBH
- BERTRAM KÖLBLI
- G01 - MEASURING TESTING
Information Patent Application
CIRCUIT PROTECTION DEVICE AND PROTECTION METHOD
- Publication number 20120257310
- Publication date Oct 11, 2012
- Tei-Wei WANG
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Fault Direction Determination
- Publication number 20100244851
- Publication date Sep 30, 2010
- Magnus Akke
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
CONTROLLER FOR A MOTOR AND A METHOD OF CONTROLLING THE MOTOR
- Publication number 20100080714
- Publication date Apr 1, 2010
- A.O. Smith Corporation
- William L. Mehlhorn
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
DIRECTIONAL FAULT CURRENT INDICATOR
- Publication number 20090009180
- Publication date Jan 8, 2009
- Thomas & Betts International, Inc.
- MEHRI VARGHAI
- G01 - MEASURING TESTING
Information Patent Application
AC power backfeed protection based on voltage
- Publication number 20060126240
- Publication date Jun 15, 2006
- Xantrex International
- Thomas Michael Unger
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Automated AC line filter and surge suppression apparatus and method
- Publication number 20060056127
- Publication date Mar 16, 2006
- Joseph S. Lewis
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Fault detection apparatus and method
- Publication number 20060007619
- Publication date Jan 12, 2006
- FRDX Limited
- Gordon Bryon Scott
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Directional ground relay system
- Publication number 20040057178
- Publication date Mar 25, 2004
- Kabushiki Kaisha Toshiba
- Takahiro Kase
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
System for preventing overreach of protection for series compensate...
- Publication number 20030011951
- Publication date Jan 16, 2003
- Joseph B. Mooney
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Pump controller
- Publication number 20020093306
- Publication date Jul 18, 2002
- Steven A. Johnson
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

involving phase comparison between current and voltage or between values derived from current and voltage

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Current-based directional element in a power delivery system

Hybrid air-gap / solid-state circuit breaker

Circuit interruption apparatuses

Electricity amount detection method and device, terminal and storag...

Hybrid air-gap / solid-state circuit breaker

Detection of capacitor bank fuse/switch failure

Network protector control for spot network fed from feeder sources...

Systems and methods for swing angle estimation in an electrical pow...

System and method for detecting, localizing and quantifying excess...

System and method for measuring an integrated circuit age

Electronic circuit and method for determining an impedance

Circuit protection device and protection method

Controller for a motor and a method of controlling the motor

Directional fault current indicator

Fault direction determination

Automated AC line filter and surge suppression apparatus and method

Directional ground relay system

Fault detection apparatus and method

System for preventing overreach of protection for series compensate...

Pump controller

Apparatus and method for detecting a short circuit in a lighting sy...

Electronic relay for calculating the power of a multiphase electric...

Process for producing time dependent waveforms of positive and nega...

Control device for stopping the operation of a single-phase asynchr...

Apparatus for comparing two waveforms in real time

Process and apparatus for comparing in real time phase differences...

Pump control responsive to voltage-current phase angle

Motor overload indicating arrangement

Electric motor control and protective assembly for fluid pump opera...

Water pump protector unit

Patents Applicationslast 30 patents

NETWORK PROTECTOR FOR SECONDARY DISTRIBUTION NETWORK THAT INCLUDES...

Hybrid Air-Gap / Solid-State Circuit Breaker

IMPROVEMENTS IN OR RELATING TO CIRCUIT INTERRUPTION APPARATUSES

ELECTRICITY AMOUNT DETECTION METHOD AND DEVICE, TERMINAL AND STORAG...

APPARATUS AND METHOD FOR CONTROLLING ADAPTIVE RECLOSING BASED ON TR...

DETECTION OF CAPACITOR BANK FUSE/SWITCH FAILURE

SYSTEM AND METHOD FOR MEASURING AN INTEGRATED CIRCUIT AGE

ELECTRONIC CIRCUIT AND METHOD FOR DETERMINING AN IMPEDANCE

CIRCUIT PROTECTION DEVICE AND PROTECTION METHOD

Fault Direction Determination

CONTROLLER FOR A MOTOR AND A METHOD OF CONTROLLING THE MOTOR

DIRECTIONAL FAULT CURRENT INDICATOR

AC power backfeed protection based on voltage

Automated AC line filter and surge suppression apparatus and method

Fault detection apparatus and method

Directional ground relay system

System for preventing overreach of protection for series compensate...

Pump controller