Testing of transformers

Industry

CPC
G01R31/027

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Parent Industries

GPHYSICS G01Measuring instruments G01RMEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES G01R31/00Arrangements for testing electric properties Arrangements for locating electric faults Arrangements for electrical testing characterised by what is being tested not provided for elsewhere

Current Industry

G01R31/027Testing of transformers

Industries

Patents Grantslast 30 patents

Information Patent Grant
Transformer testing device, and method for testing a transformer
- Patent number 10,914,778
- Issue date Feb 9, 2021
- Omicron Electronics GmbH
- Dirk Flax
- G01 - MEASURING TESTING
Information Patent Grant
Method for classifying the status of the winding clamping of a powe...
- Patent number 10,641,813
- Issue date May 5, 2020
- ABB Schweiz AG
- Klaus Scheil
- G01 - MEASURING TESTING
Information Patent Grant
Monitoring power devices
- Patent number 10,613,066
- Issue date Apr 7, 2020
- Roger Alan Fenton
- G01 - MEASURING TESTING
Information Patent Grant
Integrated fault monitoring apparatus for electrical equipment
- Patent number 10,605,849
- Issue date Mar 31, 2020
- I.F.D. Internal Fault Detector Corp.
- Justin George Pezzin
- G01 - MEASURING TESTING
Information Patent Grant
Transformer winding fault diagnosis method based on wireless identi...
- Patent number 10,571,507
- Issue date Feb 25, 2020
- WUHAN UNIVERSITY
- Yigang He
- G01 - MEASURING TESTING
Information Patent Grant
Diagnostic system for electric power equipment
- Patent number 10,571,504
- Issue date Feb 25, 2020
- LSIS Co., Ltd.
- Jinho Lee
- G01 - MEASURING TESTING
Information Patent Grant
Method for quickly identifying disconnection of CT in protection of...
- Patent number 10,551,425
- Issue date Feb 4, 2020
- XJ GROUP CORPORATION
- Jidong Huang
- G01 - MEASURING TESTING
Information Patent Grant
System and method for performing transformer diagnostics
- Patent number 10,545,183
- Issue date Jan 28, 2020
- Doble Engineering Company
- Mark F. Lachman
- G01 - MEASURING TESTING
Information Patent Grant
Concurrent transformer test system and method
- Patent number 10,527,662
- Issue date Jan 7, 2020
- AVO Multi-Amp Corporation
- David Hembree Milner
- G01 - MEASURING TESTING
Information Patent Grant
Method for detecting an open-phase condition of a transformer
- Patent number 10,522,998
- Issue date Dec 31, 2019
- The UAB Research Foundation
- Robert F. Arritt
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Apparatus for calibrating a power measuring system for power transf...
- Patent number 10,514,435
- Issue date Dec 24, 2019
- MASCHINENFABRIK REINHAUSEN GMBH
- Thomas Steiner
- G01 - MEASURING TESTING
Information Patent Grant
Systems and methods for detecting current transformer ultrasaturati...
- Patent number 10,495,680
- Issue date Dec 3, 2019
- Schweitzer Engineering Laboratories, Inc.
- Yu Xia
- G01 - MEASURING TESTING
Information Patent Grant
System and method for assessing power transformers
- Patent number 10,488,384
- Issue date Nov 26, 2019
- Electric Power Research Institute, Inc.
- Bhavin N. Desai
- G01 - MEASURING TESTING
Information Patent Grant
Optical sensing methods and systems for power applications, and the...
- Patent number 10,473,706
- Issue date Nov 12, 2019
- Hyperion Sensors Inc.
- Gerald Manuelpillai
- H01 - BASIC ELECTRIC ELEMENTS
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
Monitoring operating conditions of a transformer during major elect...
- Patent number 10,451,660
- Issue date Oct 22, 2019
- Utopus Insights, Inc.
- Chumki Basu
- G01 - MEASURING TESTING
Information Patent Grant
Method and system for extracting gas or gas mixtures from a liquid...
- Patent number 10,429,371
- Issue date Oct 1, 2019
- Vaisala Oyj
- Sami Virtanen
- G01 - MEASURING TESTING
Information Patent Grant
Method and system for measuring power loss in a power transformer
- Patent number 10,416,209
- Issue date Sep 17, 2019
- ABB Schweiz AG
- Nilanga Abeywickrama
- G01 - MEASURING TESTING
Information Patent Grant
Power monitor protective shroud
- Patent number 10,408,865
- Issue date Sep 10, 2019
- GRID20/20, Inc.
- Shahram Farrokhian
- G01 - MEASURING TESTING
Information Patent Grant
Power control of microgrid wherein detecting a need for overloading...
- Patent number 10,389,123
- Issue date Aug 20, 2019
- ABB Schweiz AG
- Robert Saers
- G01 - MEASURING TESTING
Information Patent Grant
Method for recognizing partial discharges emitted inside or outside...
- Patent number 10,379,151
- Issue date Aug 13, 2019
- General Electric Technology GmbH
- Bouchra Daoudi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Apparatus for determining abnormal status of wireless power transmi...
- Patent number 10,371,738
- Issue date Aug 6, 2019
- LG Innotek Co., Ltd
- Yong Suk Chae
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Smart fault detection device to anticipate impending faults in powe...
- Patent number 10,345,358
- Issue date Jul 9, 2019
- Qatar University
- Ahmed Gaouda
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Method for monitoring transformer bushings and a system therefor
- Patent number 10,345,366
- Issue date Jul 9, 2019
- ABB Schweiz AG
- Nilanga Abeywickrama
- G01 - MEASURING TESTING
Information Patent Grant
Externally mountable fault indicator assemblies for electrical devi...
- Patent number 10,345,367
- Issue date Jul 9, 2019
- Orto de Mexico, S.A. de C.V.
- Jorge Gonzalez de la Vega Rosales
- G01 - MEASURING TESTING
Information Patent Grant
Circuit arrangement for high-voltage tests and high-voltage testing...
- Patent number 10,345,368
- Issue date Jul 9, 2019
- Siemens Aktiengesellschaft
- Markus Bock
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Fault detection in variable differential transformer sensors based...
- Patent number 10,345,357
- Issue date Jul 9, 2019
- The Boeing Company
- Richard J. Wingerter
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Arc detector and a method for detecting arcs
- Patent number 10,345,359
- Issue date Jul 9, 2019
- Applied Materials Israel Ltd.
- Tuvia Biber
- G01 - MEASURING TESTING
Information Patent Grant
Testing device, testing method, and program for power system protec...
- Patent number 10,317,452
- Issue date Jun 11, 2019
- Mitsubishi Electric Corporation
- Shigetoo Oda
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Rapid pressure rise detection and management system
- Patent number 10,309,851
- Issue date Jun 4, 2019
- Qualitrol Company LLC
- John R. Piper
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL MONITORING TO DETECT CONTAMINATION OF POWER GRID COMPONENTS
- Publication number 20210123964
- Publication date Apr 29, 2021
- Palo Alto Research Center Incorporated
- Saman Mostafavi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PARTIAL DISCHARGE SENSOR
- Publication number 20210123966
- Publication date Apr 29, 2021
- Palo Alto Research Center Incorporated
- Todd Karin
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
HIGH-IMPEDANCE FAULT DETECTION USING WIRELESS CURRENT TRANSFORMERS
- Publication number 20210109147
- Publication date Apr 15, 2021
- Schweitzer Engineering Laboratories, Inc.
- Normann Fischer
- G01 - MEASURING TESTING
Information Patent Application
TRANSFORMER ANOMALY DETECTION WITH FREQUENCY RESPONSE ANALYSIS
- Publication number 20210109146
- Publication date Apr 15, 2021
- ABB Schweiz AG
- Luiz Cheim
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Error Detection Wiring Circuit and Switching Device for Instrument...
- Publication number 20200309840
- Publication date Oct 1, 2020
- Dake He
- G01 - MEASURING TESTING
Information Patent Application
TETHER FOR AN INSPECTION VEHICLE
- Publication number 20200218285
- Publication date Jul 9, 2020
- ABB Schweiz AG
- Gregory A. Cole
- G05 - CONTROLLING REGULATING
Information Patent Application
ONLINE DIAGNOSIS METHOD FOR DEFORMATION POSITION ON TRASNFORMATION...
- Publication number 20200200813
- Publication date Jun 25, 2020
- Zhejiang University
- Zhongsheng HUA
- G01 - MEASURING TESTING
Information Patent Application
SYSTEM AND METHOD FOR HEADSPACE MONITORING IN TRANSFORMERS
- Publication number 20200191763
- Publication date Jun 18, 2020
- ZTZ Service International, Inc.
- Zalya Berler
- G01 - MEASURING TESTING
Information Patent Application
METHOD AND DEVICE FOR CALCULATING CORE LOSS
- Publication number 20200174056
- Publication date Jun 4, 2020
- Taiyo Yuden Co., Ltd.
- Azusa TOMITA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
THERMALLY-COMPENSATED PROGNOSTIC-SURVEILLANCE TECHNIQUE FOR CRITICA...
- Publication number 20200151618
- Publication date May 14, 2020
- ORACLE INTERNATIONAL CORPORATION
- Kenny C. Gross
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEMS AND METHODS FOR DYNAMICALLY SWITCHING A LOAD OF A CURRENT T...
- Publication number 20200153227
- Publication date May 14, 2020
- Rockwell Automation Technologies, Inc.
- Andrew E. Carlson
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Externally Mountable Fault Indicator Assemblies for Electrical Devi...
- Publication number 20200141994
- Publication date May 7, 2020
- Weidmann Holding AG
- Jorge Gonzalez de la Vega Rosales
- G01 - MEASURING TESTING
Information Patent Application
APPARATUS FOR DETECTING INTERNAL DEFECT IN TRANSFORMER
- Publication number 20200103391
- Publication date Apr 2, 2020
- HYOSUNG HEAVY INDUSTRIES CORPORATION
- Jae Ryong JUNG
- G01 - MEASURING TESTING
Information Patent Application
METHOD AND SYSTEM FOR DETERMINING OPTIMUM PARAMETERS WITH RESPECT T...
- Publication number 20200072775
- Publication date Mar 5, 2020
- ROHDE & SCHWARZ GMBH & CO. KG
- Tobias KOEPPEL
- G01 - MEASURING TESTING
Information Patent Application
METHOD AND APPARATUS FOR MONITORING THE LOSS FACTOR OF CAPACITOR BU...
- Publication number 20200057103
- Publication date Feb 20, 2020
- MASCHINENFABRIK REINHAUSEN GMBH
- Karsten Viereck
- G01 - MEASURING TESTING
Information Patent Application
TRANSFORMER HYDROGEN GAS MONITORING SYSTEM, DEVICE, AND METHOD
- Publication number 20200033280
- Publication date Jan 30, 2020
- Seok-Kon KIM
- G01 - MEASURING TESTING
Information Patent Application
METHOD AND APPARATUSES FOR DETERMINING RESISTANCES IN MULTIPHASE TR...
- Publication number 20200025817
- Publication date Jan 23, 2020
- OMICRON Electronics GmbH
- Dirk Flax
- G01 - MEASURING TESTING
Information Patent Application
Method And Device For Determining Capacitive Component Parameters
- Publication number 20200018783
- Publication date Jan 16, 2020
- ABB Schweiz AG
- Nilanga ABEYWICKRAMA
- G01 - MEASURING TESTING
Information Patent Application
METHODS AND DEVICES FOR CALCULATING WINDING CURRENTS AT A DELTA SID...
- Publication number 20190391199
- Publication date Dec 26, 2019
- ABB Schweiz AG
- Sandeep Pabbathi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SYSTEM AND METHOD FOR HANDLING AND CHARTING DATA OBTAINED BY AN INS...
- Publication number 20190391183
- Publication date Dec 26, 2019
- ABB Schweiz
- Gregory A. Cole
- G01 - MEASURING TESTING
Information Patent Application
LOW-COST FIBER OPTIC SENSOR ARRAY FOR SIMULTANEOUS DETECTION OF MUL...
- Publication number 20190317130
- Publication date Oct 17, 2019
- UNITED STATES DEPARTMENT OF ENERGY
- Chenhu Sun
- G01 - MEASURING TESTING
Information Patent Application
ATTACHMENT DEVICE FOR MONITORING POWER SYSTEMS
- Publication number 20190302143
- Publication date Oct 3, 2019
- Vollspark Ltd.
- Liran Katzir
- G01 - MEASURING TESTING
Information Patent Application
SMART FAULT DETECTION DEVICE TO ANTICIPATE IMPENDING FAULTS IN POWE...
- Publication number 20190302167
- Publication date Oct 3, 2019
- QATAR UNIVERSITY
- Ahmed GAOUDA
- G01 - MEASURING TESTING
Information Patent Application
SMART FAULT DETECTION DEVICE TO ANTICIPATE IMPENDING FAULTS IN POWE...
- Publication number 20190302168
- Publication date Oct 3, 2019
- QATAR UNIVERSITY
- Ahmed GAOUDA
- G01 - MEASURING TESTING
Information Patent Application
SYSTEM AND METHOD FOR TRANSFORMER CONTROL
- Publication number 20190304673
- Publication date Oct 3, 2019
- GENERAL ELECTRIC COMPANY
- Prabhakar Neti
- G01 - MEASURING TESTING
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
Transformer Monitoring and Data Analysis Systems and Methods
- Publication number 20190277898
- Publication date Sep 12, 2019
- GRID20/20, Inc.
- Joseph O. Beaudet
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Monitoring A Transformer Comprising A Tap Changer
- Publication number 20190195933
- Publication date Jun 27, 2019
- ABB Schweiz AG
- Tord Bengtsson
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MONITORING POWER DEVICES
- Publication number 20190178863
- Publication date Jun 13, 2019
- Roger Alan FENTON
- G01 - MEASURING TESTING
Information Patent Application
APPARATUS FOR MONITORING A CURRENT-CARRYING DEVICE
- Publication number 20190178908
- Publication date Jun 13, 2019
- SDA-ENGINEERING GMBH
- Philippe L.A. Renault
- G01 - MEASURING TESTING

Testing of transformers

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Transformer testing device, and method for testing a transformer

Method for classifying the status of the winding clamping of a powe...

Monitoring power devices

Integrated fault monitoring apparatus for electrical equipment

Transformer winding fault diagnosis method based on wireless identi...

Diagnostic system for electric power equipment

Method for quickly identifying disconnection of CT in protection of...

System and method for performing transformer diagnostics

Concurrent transformer test system and method

Method for detecting an open-phase condition of a transformer

Apparatus for calibrating a power measuring system for power transf...

Systems and methods for detecting current transformer ultrasaturati...

System and method for assessing power transformers

Optical sensing methods and systems for power applications, and the...

Monitoring a transformer comprising a tap changer

Monitoring operating conditions of a transformer during major elect...

Method and system for extracting gas or gas mixtures from a liquid...

Method and system for measuring power loss in a power transformer

Power monitor protective shroud

Power control of microgrid wherein detecting a need for overloading...

Method for recognizing partial discharges emitted inside or outside...

Apparatus for determining abnormal status of wireless power transmi...

Smart fault detection device to anticipate impending faults in powe...

Method for monitoring transformer bushings and a system therefor

Externally mountable fault indicator assemblies for electrical devi...

Circuit arrangement for high-voltage tests and high-voltage testing...

Fault detection in variable differential transformer sensors based...

Arc detector and a method for detecting arcs

Testing device, testing method, and program for power system protec...

Rapid pressure rise detection and management system

Patents Applicationslast 30 patents

OPTICAL MONITORING TO DETECT CONTAMINATION OF POWER GRID COMPONENTS

PARTIAL DISCHARGE SENSOR

HIGH-IMPEDANCE FAULT DETECTION USING WIRELESS CURRENT TRANSFORMERS

TRANSFORMER ANOMALY DETECTION WITH FREQUENCY RESPONSE ANALYSIS

Error Detection Wiring Circuit and Switching Device for Instrument...

TETHER FOR AN INSPECTION VEHICLE

ONLINE DIAGNOSIS METHOD FOR DEFORMATION POSITION ON TRASNFORMATION...

SYSTEM AND METHOD FOR HEADSPACE MONITORING IN TRANSFORMERS

METHOD AND DEVICE FOR CALCULATING CORE LOSS

THERMALLY-COMPENSATED PROGNOSTIC-SURVEILLANCE TECHNIQUE FOR CRITICA...

SYSTEMS AND METHODS FOR DYNAMICALLY SWITCHING A LOAD OF A CURRENT T...

Externally Mountable Fault Indicator Assemblies for Electrical Devi...

APPARATUS FOR DETECTING INTERNAL DEFECT IN TRANSFORMER

METHOD AND SYSTEM FOR DETERMINING OPTIMUM PARAMETERS WITH RESPECT T...

METHOD AND APPARATUS FOR MONITORING THE LOSS FACTOR OF CAPACITOR BU...

TRANSFORMER HYDROGEN GAS MONITORING SYSTEM, DEVICE, AND METHOD

METHOD AND APPARATUSES FOR DETERMINING RESISTANCES IN MULTIPHASE TR...

Method And Device For Determining Capacitive Component Parameters

METHODS AND DEVICES FOR CALCULATING WINDING CURRENTS AT A DELTA SID...

SYSTEM AND METHOD FOR HANDLING AND CHARTING DATA OBTAINED BY AN INS...

LOW-COST FIBER OPTIC SENSOR ARRAY FOR SIMULTANEOUS DETECTION OF MUL...

ATTACHMENT DEVICE FOR MONITORING POWER SYSTEMS

SMART FAULT DETECTION DEVICE TO ANTICIPATE IMPENDING FAULTS IN POWE...

SMART FAULT DETECTION DEVICE TO ANTICIPATE IMPENDING FAULTS IN POWE...

SYSTEM AND METHOD FOR TRANSFORMER CONTROL

Monitoring Tap Changer Switching

Transformer Monitoring and Data Analysis Systems and Methods

Monitoring A Transformer Comprising A Tap Changer

MONITORING POWER DEVICES

APPARATUS FOR MONITORING A CURRENT-CARRYING DEVICE