AC power supplies

Industry

CPC
G01R31/42

This industry / category may be too specific. Please go to a parent level for more data

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

G01R31/42AC power supplies

Industries

Please log in for detailed analytics

Patents Grantslast 30 patents

Information Patent Grant
Method and arrangement for performing a shutdown test on an inverter
- Patent number 12,085,615
- Issue date Sep 10, 2024
- Fronius International GmbH
- Joachim Danmayr
- G01 - MEASURING TESTING
Information Patent Grant
Modular power supply
- Patent number 12,066,497
- Issue date Aug 20, 2024
- Bae Systems Controls Inc.
- Thomas J. Cummings
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Bipolar triac short detection and safety circuit
- Patent number 12,063,716
- Issue date Aug 13, 2024
- Multitech Medical Devices USA LLC
- Lenny Novikov
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
System and method for auto calibration in a power blackout sensing...
- Patent number 12,047,046
- Issue date Jul 23, 2024
- Ig Soo Kwon
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Methods and apparatus for resistive voltage sensing in an isolated...
- Patent number 12,038,459
- Issue date Jul 16, 2024
- Raritan Americas, Inc.
- Michael Suchoff
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Inverter system capable of detecting output ground fault and output...
- Patent number 12,038,486
- Issue date Jul 16, 2024
- LS ELECTRIC CO., LTD.
- Chengde Xu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Bi-polar triac short detection and safety circuit
- Patent number 12,035,425
- Issue date Jul 9, 2024
- Multitech Medical Devices USA LLC
- Lenny Novikov
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Relay, apparatus including relay, and load testing apparatus includ...
- Patent number 12,027,331
- Issue date Jul 2, 2024
- Tatsumi Ryoki Co., Ltd
- Toyoshi Kondo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Monitoring and data analysis systems and methods
- Patent number 12,019,125
- Issue date Jun 25, 2024
- GRID20/20, Inc.
- Joe Beaudet
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Alternating-current detection circuit
- Patent number 11,988,723
- Issue date May 21, 2024
- SHANGHAI NATLINEAR ELECTRONICS CO., LTD.
- Hu Xia
- G01 - MEASURING TESTING
Information Patent Grant
Fire mitigation and downed conductor detection systems and methods
- Patent number 11,946,982
- Issue date Apr 2, 2024
- GRID20/20, Inc.
- W. Alan Snook
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method, device and system for recognizing an electrical oscillation...
- Patent number 11,927,643
- Issue date Mar 12, 2024
- Siemens Aktiengesellschaft
- Andreas Litzinger
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Motor emulator
- Patent number 11,901,846
- Issue date Feb 13, 2024
- PLECKO CO., LTD.
- Seung-Ki Sul
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method and system for evaluating stability of HVDC receiving end sy...
- Patent number 11,848,555
- Issue date Dec 19, 2023
- North China Electric Power University
- Jing Ma
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Short circuit detector and power converter
- Patent number 11,835,594
- Issue date Dec 5, 2023
- Fuji Electric Co., Ltd.
- Kunio Matsubara
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method and device for approximately determining voltages at a high-...
- Patent number 11,808,794
- Issue date Nov 7, 2023
- SMA Solar Technology AG
- Vitali Sakschewski
- G01 - MEASURING TESTING
Information Patent Grant
Electrical system testing processes
- Patent number 11,782,097
- Issue date Oct 10, 2023
- GE Energy Power Conversion Technology Limited
- Olivier Rudloff
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Selective redistribution and replenishment of utility scale battery...
- Patent number 11,762,030
- Issue date Sep 19, 2023
- Inventus Holdings, LLC
- Rachana Vidhi
- G01 - MEASURING TESTING
Information Patent Grant
Abnormality detection method and abnormality detection apparatus
- Patent number 11,762,035
- Issue date Sep 19, 2023
- Tokyo Electron Limited
- Tomoya Bessho
- G01 - MEASURING TESTING
Information Patent Grant
System and method for detecting stator faults in AC electrical mach...
- Patent number 11,762,038
- Issue date Sep 19, 2023
- EATON INTELLIGENT POWER LIMITED
- Santosh Kumar Sharma
- G01 - MEASURING TESTING
Information Patent Grant
Power system component testing using a power system emulator-based...
- Patent number 11,754,637
- Issue date Sep 12, 2023
- University of Tennessee Research Foundation
- Fei Wang
- G01 - MEASURING TESTING
Information Patent Grant
Analyzing an operating condition of a power converter
- Patent number 11,735,993
- Issue date Aug 22, 2023
- MASCHINENFABRIK REINHAUSEN GMBH
- Angus Bryant
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method for testing lifetime of surface state carrier of semiconductor
- Patent number 11,719,739
- Issue date Aug 8, 2023
- Tongji University
- Qian Cheng
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Load abnormality detecting circuit for inverter
- Patent number 11,719,758
- Issue date Aug 8, 2023
- Neturen Co., Ltd.
- Takahiko Kanai
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power supply device and deterioration determination method of power...
- Patent number 11,709,207
- Issue date Jul 25, 2023
- Fuji Electric Co., Ltd.
- Motohiro Tsukuta
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power conversion device
- Patent number 11,705,828
- Issue date Jul 18, 2023
- TOSHIBA MITSUBISHI-ELECTRIC INDUSTRIAL SYSTEMS CORPORATION
- Shunsuke Tobayashi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Transistor bridge failure test
- Patent number 11,686,781
- Issue date Jun 27, 2023
- Infineon Technologies AG
- Alexander Heinz
- G01 - MEASURING TESTING
Information Patent Grant
Ground fault interrupter self test circuits and related methods
- Patent number 11,668,752
- Issue date Jun 6, 2023
- SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC
- Bruce G. Armstrong
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Optimization method, unit, and electronic device of shifted frequen...
- Patent number 11,668,760
- Issue date Jun 6, 2023
- Tsinghua University
- Shilin Gao
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Load testing device
- Patent number 11,598,820
- Issue date Mar 7, 2023
- Tatsumi Ryoki Co., Ltd
- Toyoshi Kondo
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
MEASURING DC LINK CAPACITANCE IN POWER CONVERSION SYSTEMS
- Publication number 20240402260
- Publication date Dec 5, 2024
- Rockwell Automation Technologies, Inc.
- Zhongyuan Cheng
- G01 - MEASURING TESTING
Information Patent Application
MULTIPLE INPUT DC METER
- Publication number 20240385014
- Publication date Nov 21, 2024
- PACIFIC GAS AND ELECTRIC COMPANY
- Earle Davis
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
FAULT DETECTION METHOD AND APPARATUS FOR THREE PHASE POWER SUPPLY C...
- Publication number 20240377474
- Publication date Nov 14, 2024
- HEFEI MIDEA HEATING & VENTILATING EQUIPMENT CO., LTD.
- Lijun MEI
- F24 - HEATING RANGES VENTILATING
Information Patent Application
METHOD AND DEVICE FOR DETECTING A SHORT CIRCUIT OF A SEMICONDUCTOR...
- Publication number 20240377475
- Publication date Nov 14, 2024
- ZF Friedrichshafen AG
- Johannes Hager
- B60 - VEHICLES IN GENERAL
Information Patent Application
POWER SUPPLY DEVICE
- Publication number 20240377476
- Publication date Nov 14, 2024
- Phoenix Contact GmbH & Co. KG
- Nicola KESSLER
- G01 - MEASURING TESTING
Information Patent Application
UNINTERRUPTIBLE POWER SUPPLY SYSTEM
- Publication number 20240364134
- Publication date Oct 31, 2024
- TOSHIBA MITSUBISHI-ELECTRIC INDUSTRIAL SYSTEMS CORPORATION
- Ryogo IMANISHI
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
METHODS AND APPARATUS FOR RESISTIVE VOLTAGE SENSING IN AN ISOLATED...
- Publication number 20240345136
- Publication date Oct 17, 2024
- Raritan Americas, Inc.
- Michael Suchoff
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
FIRE MITIGATION AND DOWNED CONDUCTOR DETECTION SYSTEMS AND METHODS
- Publication number 20240345181
- Publication date Oct 17, 2024
- GRID20/20, Inc.
- W. Alan Snook
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
DESATURATION FAULT RESPONSE
- Publication number 20240297607
- Publication date Sep 5, 2024
- Rivian IP Holdings, LLC
- Armin Teymouri
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
ARC DETECTION METHOD AND SYSTEM
- Publication number 20240264217
- Publication date Aug 8, 2024
- Sungrow Smart Maintenance Technology Co., Ltd.
- Chenpeng Lu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
INVERTER DIAGNOSTIC TESTING METHODS AND APPARATUS
- Publication number 20240192284
- Publication date Jun 13, 2024
- Eaton Intelligent Power Limited
- STAN REX SIMMS
- G01 - MEASURING TESTING
Information Patent Application
SYSTEM FOR MONITORING A SUPPLY LINE OF AN ELECTRICAL MACHINE FED FR...
- Publication number 20240168076
- Publication date May 23, 2024
- LAPP ENGINEERING AG
- Stefan Hilsenbeck
- G01 - MEASURING TESTING
Information Patent Application
APPARATUS, METHOD AND SYSTEM FOR DETECTING AN ISLANDING STATE OF A...
- Publication number 20240168102
- Publication date May 23, 2024
- Schneider Electric Industries SAS
- Jinlei XING
- G01 - MEASURING TESTING
Information Patent Application
Alternating-Current Detection Circuit
- Publication number 20240085492
- Publication date Mar 14, 2024
- SHANGHAI NATLINEAR ELECTRONICS CO., LTD.
- Hu XIA
- G01 - MEASURING TESTING
Information Patent Application
LOAD TESTING DEVICE
- Publication number 20240027542
- Publication date Jan 25, 2024
- Tatsumi Ryoki Co., Ltd
- Toyoshi Kondo
- G01 - MEASURING TESTING
Information Patent Application
BBU FAULT DIAGNOSIS METHOD AND APPARATUS, ELECTRONIC DEVICE, AND ST...
- Publication number 20230375639
- Publication date Nov 23, 2023
- INSPUR SUZHOU INTELLIGENT TECHNOLOGY CO., LTD
- Yaoyu HUA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
MODULAR POWER SUPPLY
- Publication number 20230349984
- Publication date Nov 2, 2023
- BAE Systems Controls Inc.
- Thomas J. Cummings
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
TESTING OF AN ELECTRICAL SYSTEM OF A WIND TURBINE
- Publication number 20230288494
- Publication date Sep 14, 2023
- Siemens Gamesa Renewable Energy A/S
- Nikolaus Goldenbaum
- G01 - MEASURING TESTING
Information Patent Application
DIAGNOSTIC APPARATUS, DIAGNOSTIC SYSTEM AND DIAGNOSTIC METHOD OF EL...
- Publication number 20230251327
- Publication date Aug 10, 2023
- Kabushiki Kaisha Toshiba
- Toshimitsu Aizawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
METHOD FOR SELF-TESTING OF A PHASE OF A 3-LEVEL ANPC CONVERTER WITH...
- Publication number 20230194626
- Publication date Jun 22, 2023
- SMA Solar Technology AG
- Uwe Stickelmann
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SELF-DIAGNOSTIC METHOD OF OPEN-CIRCUIT FAULTS, COMPUTERIZED SURVEY...
- Publication number 20230176142
- Publication date Jun 8, 2023
- Mitsubishi Electric Corporation
- Andreja ROJKO
- G01 - MEASURING TESTING
Information Patent Application
TEST ARRANGEMENT FOR TESTING A POWER ELECTRONICS CONTROLLER, AND PO...
- Publication number 20230168313
- Publication date Jun 1, 2023
- dSPACE GmbH
- Joerg Bracker
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
ABNORMALITY DETECTION METHOD AND ABNORMALITY DETECTION APPARATUS
- Publication number 20220390525
- Publication date Dec 8, 2022
- TOKYO ELECTRON LIMITED
- Tomoya BESSHO
- G01 - MEASURING TESTING
Information Patent Application
LOAD TESTING DEVICE
- Publication number 20220349952
- Publication date Nov 3, 2022
- Tatsumi Ryoki Co., Ltd
- Toyoshi KONDO
- C01 - INORGANIC CHEMISTRY
Information Patent Application
SYSTEM AND METHOD FOR AUTO CALIBRATION IN A POWER BLACKOUT SENSING...
- Publication number 20220337208
- Publication date Oct 20, 2022
- Ig Soo Kwon
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
OPTIMIZATION METHOD, UNIT, AND ELECTRONIC DEVICE OF SHIFTED FREQUEN...
- Publication number 20220334194
- Publication date Oct 20, 2022
- TSINGHUA UNIVERSITY
- Shilin GAO
- G01 - MEASURING TESTING
Information Patent Application
Data Processing Device and Data Processing Method
- Publication number 20220320869
- Publication date Oct 6, 2022
- Masanori ABE
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
POWER SYSTEM COMPONENT TESTING USING A POWER SYSTEM EMULATOR-BASED...
- Publication number 20220291293
- Publication date Sep 15, 2022
- University of Tennessss Research Foundation.
- Fei Wang
- G01 - MEASURING TESTING
Information Patent Application
METHODS AND APPARATUS FOR RESISTIVE VOLTAGE SENSING IN AN ISOLATED...
- Publication number 20220276282
- Publication date Sep 1, 2022
- Raritan Americas, Inc.
- Michael Suchoff
- G01 - MEASURING TESTING
Information Patent Application
GROUND FAULT INTERRUPTER SELF TEST CIRCUITS AND RELATED METHODS
- Publication number 20220268840
- Publication date Aug 25, 2022
- Semiconductor Components Industries, LLC
- Bruce G. ARMSTRONG
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

AC power supplies

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Method and arrangement for performing a shutdown test on an inverter

Modular power supply

Bipolar triac short detection and safety circuit

System and method for auto calibration in a power blackout sensing...

Methods and apparatus for resistive voltage sensing in an isolated...

Inverter system capable of detecting output ground fault and output...

Bi-polar triac short detection and safety circuit

Relay, apparatus including relay, and load testing apparatus includ...

Monitoring and data analysis systems and methods

Alternating-current detection circuit

Fire mitigation and downed conductor detection systems and methods

Method, device and system for recognizing an electrical oscillation...

Motor emulator

Method and system for evaluating stability of HVDC receiving end sy...

Short circuit detector and power converter

Method and device for approximately determining voltages at a high-...

Electrical system testing processes

Selective redistribution and replenishment of utility scale battery...

Abnormality detection method and abnormality detection apparatus

System and method for detecting stator faults in AC electrical mach...

Power system component testing using a power system emulator-based...

Analyzing an operating condition of a power converter

Method for testing lifetime of surface state carrier of semiconductor

Load abnormality detecting circuit for inverter

Power supply device and deterioration determination method of power...

Power conversion device

Transistor bridge failure test

Ground fault interrupter self test circuits and related methods

Optimization method, unit, and electronic device of shifted frequen...

Load testing device

Patents Applicationslast 30 patents

MEASURING DC LINK CAPACITANCE IN POWER CONVERSION SYSTEMS

MULTIPLE INPUT DC METER

FAULT DETECTION METHOD AND APPARATUS FOR THREE PHASE POWER SUPPLY C...

METHOD AND DEVICE FOR DETECTING A SHORT CIRCUIT OF A SEMICONDUCTOR...

POWER SUPPLY DEVICE

UNINTERRUPTIBLE POWER SUPPLY SYSTEM

METHODS AND APPARATUS FOR RESISTIVE VOLTAGE SENSING IN AN ISOLATED...

FIRE MITIGATION AND DOWNED CONDUCTOR DETECTION SYSTEMS AND METHODS

DESATURATION FAULT RESPONSE

ARC DETECTION METHOD AND SYSTEM

INVERTER DIAGNOSTIC TESTING METHODS AND APPARATUS

SYSTEM FOR MONITORING A SUPPLY LINE OF AN ELECTRICAL MACHINE FED FR...

APPARATUS, METHOD AND SYSTEM FOR DETECTING AN ISLANDING STATE OF A...

Alternating-Current Detection Circuit

LOAD TESTING DEVICE

BBU FAULT DIAGNOSIS METHOD AND APPARATUS, ELECTRONIC DEVICE, AND ST...

MODULAR POWER SUPPLY

TESTING OF AN ELECTRICAL SYSTEM OF A WIND TURBINE

DIAGNOSTIC APPARATUS, DIAGNOSTIC SYSTEM AND DIAGNOSTIC METHOD OF EL...

METHOD FOR SELF-TESTING OF A PHASE OF A 3-LEVEL ANPC CONVERTER WITH...

SELF-DIAGNOSTIC METHOD OF OPEN-CIRCUIT FAULTS, COMPUTERIZED SURVEY...

TEST ARRANGEMENT FOR TESTING A POWER ELECTRONICS CONTROLLER, AND PO...

ABNORMALITY DETECTION METHOD AND ABNORMALITY DETECTION APPARATUS

LOAD TESTING DEVICE

SYSTEM AND METHOD FOR AUTO CALIBRATION IN A POWER BLACKOUT SENSING...

OPTIMIZATION METHOD, UNIT, AND ELECTRONIC DEVICE OF SHIFTED FREQUEN...

Data Processing Device and Data Processing Method

POWER SYSTEM COMPONENT TESTING USING A POWER SYSTEM EMULATOR-BASED...

METHODS AND APPARATUS FOR RESISTIVE VOLTAGE SENSING IN AN ISOLATED...

GROUND FAULT INTERRUPTER SELF TEST CIRCUITS AND RELATED METHODS